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[PATCH 3/4] Move conversion of a "historic" to MVCC snapshot to a separate function.
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* [PATCH 3/4] Move conversion of a "historic" to MVCC snapshot to a separate function.
@ 2025-08-11 13:23 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2025-08-11 13:23 UTC (permalink / raw)

The conversion is now handled by SnapBuildMVCCFromHistoric(). REPACK
CONCURRENTLY will also need it.
---
 src/backend/replication/logical/snapbuild.c | 51 +++++++++++++++++----
 src/backend/utils/time/snapmgr.c            |  3 +-
 src/include/replication/snapbuild.h         |  1 +
 src/include/utils/snapmgr.h                 |  1 +
 4 files changed, 45 insertions(+), 11 deletions(-)

diff --git a/src/backend/replication/logical/snapbuild.c b/src/backend/replication/logical/snapbuild.c
index 8532bfd27e5..6eaa40f6acf 100644
--- a/src/backend/replication/logical/snapbuild.c
+++ b/src/backend/replication/logical/snapbuild.c
@@ -440,10 +440,7 @@ Snapshot
 SnapBuildInitialSnapshot(SnapBuild *builder)
 {
 	Snapshot	snap;
-	TransactionId xid;
 	TransactionId safeXid;
-	TransactionId *newxip;
-	int			newxcnt = 0;
 
 	Assert(XactIsoLevel == XACT_REPEATABLE_READ);
 	Assert(builder->building_full_snapshot);
@@ -485,6 +482,31 @@ SnapBuildInitialSnapshot(SnapBuild *builder)
 
 	MyProc->xmin = snap->xmin;
 
+	/* Convert the historic snapshot to MVCC snapshot. */
+	return SnapBuildMVCCFromHistoric(snap, true);
+}
+
+/*
+ * Turn a historic MVCC snapshot into an ordinary MVCC snapshot.
+ *
+ * Unlike a regular (non-historic) MVCC snapshot, the xip array of this
+ * snapshot contains not only running main transactions, but also their
+ * subtransactions. This difference does has no impact on XidInMVCCSnapshot().
+ *
+ * Pass true for 'in_place' if you don't care about modifying the source
+ * snapshot. If you need a new instance, and one that was allocated as a
+ * single chunk of memory, pass false.
+ */
+Snapshot
+SnapBuildMVCCFromHistoric(Snapshot snapshot, bool in_place)
+{
+	TransactionId xid;
+	TransactionId *oldxip = snapshot->xip;
+	uint32		oldxcnt = snapshot->xcnt;
+	TransactionId *newxip;
+	int			newxcnt = 0;
+	Snapshot	result;
+
 	/* allocate in transaction context */
 	newxip = (TransactionId *)
 		palloc(sizeof(TransactionId) * GetMaxSnapshotXidCount());
@@ -495,7 +517,7 @@ SnapBuildInitialSnapshot(SnapBuild *builder)
 	 * classical snapshot by marking all non-committed transactions as
 	 * in-progress. This can be expensive.
 	 */
-	for (xid = snap->xmin; NormalTransactionIdPrecedes(xid, snap->xmax);)
+	for (xid = snapshot->xmin; NormalTransactionIdPrecedes(xid, snapshot->xmax);)
 	{
 		void	   *test;
 
@@ -503,7 +525,7 @@ SnapBuildInitialSnapshot(SnapBuild *builder)
 		 * Check whether transaction committed using the decoding snapshot
 		 * meaning of ->xip.
 		 */
-		test = bsearch(&xid, snap->xip, snap->xcnt,
+		test = bsearch(&xid, snapshot->xip, snapshot->xcnt,
 					   sizeof(TransactionId), xidComparator);
 
 		if (test == NULL)
@@ -520,11 +542,22 @@ SnapBuildInitialSnapshot(SnapBuild *builder)
 	}
 
 	/* adjust remaining snapshot fields as needed */
-	snap->snapshot_type = SNAPSHOT_MVCC;
-	snap->xcnt = newxcnt;
-	snap->xip = newxip;
+	snapshot->xcnt = newxcnt;
+	snapshot->xip = newxip;
+
+	if (in_place)
+		result = snapshot;
+	else
+	{
+		result = CopySnapshot(snapshot);
+
+		/* Restore the original values so the source is intact. */
+		snapshot->xip = oldxip;
+		snapshot->xcnt = oldxcnt;
+	}
+	result->snapshot_type = SNAPSHOT_MVCC;
 
-	return snap;
+	return result;
 }
 
 /*
diff --git a/src/backend/utils/time/snapmgr.c b/src/backend/utils/time/snapmgr.c
index ea35f30f494..70a6b8902d1 100644
--- a/src/backend/utils/time/snapmgr.c
+++ b/src/backend/utils/time/snapmgr.c
@@ -212,7 +212,6 @@ typedef struct ExportedSnapshot
 static List *exportedSnapshots = NIL;
 
 /* Prototypes for local functions */
-static Snapshot CopySnapshot(Snapshot snapshot);
 static void UnregisterSnapshotNoOwner(Snapshot snapshot);
 static void FreeSnapshot(Snapshot snapshot);
 static void SnapshotResetXmin(void);
@@ -591,7 +590,7 @@ SetTransactionSnapshot(Snapshot sourcesnap, VirtualTransactionId *sourcevxid,
  * The copy is palloc'd in TopTransactionContext and has initial refcounts set
  * to 0.  The returned snapshot has the copied flag set.
  */
-static Snapshot
+Snapshot
 CopySnapshot(Snapshot snapshot)
 {
 	Snapshot	newsnap;
diff --git a/src/include/replication/snapbuild.h b/src/include/replication/snapbuild.h
index 44031dcf6e3..6d4d2d1814c 100644
--- a/src/include/replication/snapbuild.h
+++ b/src/include/replication/snapbuild.h
@@ -73,6 +73,7 @@ extern void FreeSnapshotBuilder(SnapBuild *builder);
 extern void SnapBuildSnapDecRefcount(Snapshot snap);
 
 extern Snapshot SnapBuildInitialSnapshot(SnapBuild *builder);
+extern Snapshot SnapBuildMVCCFromHistoric(Snapshot snapshot, bool in_place);
 extern const char *SnapBuildExportSnapshot(SnapBuild *builder);
 extern void SnapBuildClearExportedSnapshot(void);
 extern void SnapBuildResetExportedSnapshotState(void);
diff --git a/src/include/utils/snapmgr.h b/src/include/utils/snapmgr.h
index d346be71642..147b190210a 100644
--- a/src/include/utils/snapmgr.h
+++ b/src/include/utils/snapmgr.h
@@ -60,6 +60,7 @@ extern Snapshot GetTransactionSnapshot(void);
 extern Snapshot GetLatestSnapshot(void);
 extern void SnapshotSetCommandId(CommandId curcid);
 
+extern Snapshot CopySnapshot(Snapshot snapshot);
 extern Snapshot GetCatalogSnapshot(Oid relid);
 extern Snapshot GetNonHistoricCatalogSnapshot(Oid relid);
 extern void InvalidateCatalogSnapshot(void);
-- 
2.47.1


--=-=-=
Content-Type: text/plain
Content-Disposition: attachment;
 filename=v18-0004-Add-CONCURRENTLY-option-to-REPACK-command.patch



^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

* [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared.
@ 2026-04-13 09:36 Antonin Houska <[email protected]>
  0 siblings, 0 replies; 69+ messages in thread

From: Antonin Houska @ 2026-04-13 09:36 UTC (permalink / raw)

The value is only needed by te worker, so there is no need to store it in
shared memory.
---
 src/backend/commands/repack_worker.c   | 5 +++--
 src/include/commands/repack_internal.h | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/commands/repack_worker.c b/src/backend/commands/repack_worker.c
index 5bd020e0184..a594d6db25f 100644
--- a/src/backend/commands/repack_worker.c
+++ b/src/backend/commands/repack_worker.c
@@ -51,6 +51,7 @@ static XLogSegNo repack_current_segment = 0;
 static RelFileLocator repacked_rel_locator = {.relNumber = InvalidOid};
 static RelFileLocator repacked_rel_toast_locator = {.relNumber = InvalidOid};
 
+static dsm_segment	*worker_dsm_segment = NULL;
 
 /* REPACK decoding worker entry point */
 void
@@ -78,9 +79,9 @@ RepackWorkerMain(Datum main_arg)
 		ereport(ERROR,
 				errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 				errmsg("could not map dynamic shared memory segment"));
+	worker_dsm_segment = seg;
 
 	shared = (DecodingWorkerShared *) dsm_segment_address(seg);
-	shared->dsm_seg = seg;
 
 	/* Arrange to signal the leader if we exit. */
 	before_shmem_exit(RepackWorkerShutdown, PointerGetDatum(shared));
@@ -176,7 +177,7 @@ RepackWorkerShutdown(int code, Datum arg)
 				   PROCSIG_REPACK_MESSAGE,
 				   shared->backend_proc_number);
 
-	dsm_detach(shared->dsm_seg);
+	dsm_detach(worker_dsm_segment);
 }
 
 bool
diff --git a/src/include/commands/repack_internal.h b/src/include/commands/repack_internal.h
index 3ff64444351..6a85cee8910 100644
--- a/src/include/commands/repack_internal.h
+++ b/src/include/commands/repack_internal.h
@@ -107,7 +107,6 @@ typedef struct DecodingWorkerShared
 	PGPROC	   *backend_proc;
 	pid_t		backend_pid;
 	ProcNumber	backend_proc_number;
-	dsm_segment *dsm_seg;
 
 	/*
 	 * Memory the queue is located in.
-- 
2.47.3


--=-=-=--





^ permalink  raw  reply  [nested|flat] 69+ messages in thread

end of thread, other threads:[~2026-04-13 09:36 UTC | newest]

Thread overview: 69+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2025-08-11 13:23 [PATCH 3/4] Move conversion of a "historic" to MVCC snapshot to a separate function. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>
2026-04-13 09:36 [PATCH 2/2] Remove dsm_seg from DecodingWorkerShared. Antonin Houska <[email protected]>

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