postgrespro.git / summary / log / commit / refs

commit    28988a84cf19c01dba3c3fb40e95d9cd6e4888da
Author:   Peter Eisentraut <peter@eisentraut.org>
Date:     Tue Mar 19 13:07:08 2019 +0000

    Reorder LOCALLOCK structure members to compact the size
    
    Save 8 bytes (on x86-64) by filling up padding holes.
    
    Author: Takayuki Tsunakawa <tsunakawa.takay@jp.fujitsu.com>
    Discussion: https://www.postgresql.org/message-id/20190219001639.ft7kxir2iz644alf@alap3.anarazel.de


 src/include/storage/lock.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/include/storage/lock.h b/src/include/storage/lock.h
index 16b927cb80..badf7fd682 100644
--- a/src/include/storage/lock.h
+++ b/src/include/storage/lock.h
@@ -404,15 +404,15 @@ typedef struct LOCALLOCK
 	LOCALLOCKTAG tag;			/* unique identifier of locallock entry */
 
 	/* data */
+	uint32		hashcode;		/* copy of LOCKTAG's hash value */
 	LOCK	   *lock;			/* associated LOCK object, if any */
 	PROCLOCK   *proclock;		/* associated PROCLOCK object, if any */
-	uint32		hashcode;		/* copy of LOCKTAG's hash value */
 	int64		nLocks;			/* total number of times lock is held */
-	bool		holdsStrongLockCount;	/* bumped FastPathStrongRelationLocks */
-	bool		lockCleared;	/* we read all sinval msgs for lock */
 	int			numLockOwners;	/* # of relevant ResourceOwners */
 	int			maxLockOwners;	/* allocated size of array */
 	LOCALLOCKOWNER *lockOwners; /* dynamically resizable array */
+	bool		holdsStrongLockCount;	/* bumped FastPathStrongRelationLocks */
+	bool		lockCleared;	/* we read all sinval msgs for lock */
 } LOCALLOCK;
 
 #define LOCALLOCK_LOCKMETHOD(llock) ((llock).tag.lock.locktag_lockmethodid)


[parent: 75c57058b0f5]