Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vWfDC-006tuS-2K for pgsql-committers@arkaria.postgresql.org; Fri, 19 Dec 2025 18:28:23 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vWfDA-008fPU-0E for pgsql-committers@arkaria.postgresql.org; Fri, 19 Dec 2025 18:28:20 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vWfD9-008fPM-2l for pgsql-committers@lists.postgresql.org; Fri, 19 Dec 2025 18:28:20 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vWfD7-001do5-2L for pgsql-committers@lists.postgresql.org; Fri, 19 Dec 2025 18:28:20 +0000 Received: from gemulon.postgresql.org ([2001:4800:3e1:1::198]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vWfD5-004SmE-1p for pgsql-committers@lists.postgresql.org; Fri, 19 Dec 2025 18:28:15 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vWfD2-001dUr-2E for pgsql-committers@lists.postgresql.org; Fri, 19 Dec 2025 18:28:13 +0000 Content-Type: multipart/mixed; boundary="===============3868696350032211181==" MIME-Version: 1.0 From: Andres Freund To: pgsql-committers@lists.postgresql.org Subject: pgsql: bufmgr: Optimize & harmonize LockBufHdr(), LWLockWaitListLock() X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Fri, 19 Dec 2025 18:28:13 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============3868696350032211181== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 YnVmbWdyOiBPcHRpbWl6ZSAmIGhhcm1vbml6ZSBMb2NrQnVmSGRyKCksIExXTG9ja1dhaXRMaXN0 TG9jaygpCgpUaGUgbWFpbiBvcHRpbWl6YXRpb24gaXMgZm9yIExvY2tCdWZIZHIoKSB0byBkZWxh eSBpbml0aWFsaXppbmcKU3BpbkRlbGF5U3RhdHVzLCBzaW1pbGFyIHRvIHdoYXQgTFdMb2NrV2Fp dExpc3RMb2NrIGFscmVhZHkgZGlkLiBUaGUKaW5pdGlhbGl6YXRpb24gaXMgc3VmZmljaWVudGx5 IGV4cGVuc2l2ZSAmIGJ1ZmZlciBoZWFkZXIgbG9jayBhY3F1aXNpdGlvbnMgYXJlCnN1ZmZpY2ll bnRseSBmcmVxdWVudCwgdG8gbWFrZSBpdCB3b3J0aHdoaWxlIHRvIGluc3RlYWQgaGF2ZSBhIGZh c3RwYXRoICh2aWEgYQpsaWtlbHkoKSBicmFuY2gpIHRoYXQgZG9lcyBub3QgaW5pdGlhbGl6ZSB0 aGUgU3BpbkRlbGF5U3RhdHVzLgoKV2hpbGUgTFdMb2NrV2FpdExpc3RMb2NrKCkgYWxyZWFkeSB0 aGUgYWZvcmVtZW50aW9uZWQgb3B0aW1pemF0aW9uLCBpdCBkaWQgbm90CnVzZSBsaWtlbHkoKSwg YW5kIGluc3BlY3Rpb24gb2YgdGhlIGFzc2VtYmx5IHNob3dzIHRoYXQgdGhpcyBpbmRlZWQgbGVh ZHMgdG8Kd29yc2UgY29kZSBnZW5lcmF0aW9uIChhbHNvIG9ic2VydmVkIGluIGEgbWljcm9iZW5j aG1hcmspLiBGaXggdGhhdCBieSBhZGRpbmcKdGhlIGxpa2VseSgpLgoKV2hpbGUgdGhlIExvY2tC dWZIZHIoKSBpbXByb3ZlbWVudCBpcyBhIHNtYWxsIGdhaW4gb24gaXRzIG93biwgaXQgbWFpbmx5 IGlzCmFpbWVkIGF0IHByZXZlbnRpbmcgYSByZWdyZXNzaW9uIGFmdGVyIGEgZnV0dXJlIGNvbW1p dCwgd2hpY2ggcmVxdWlyZXMKYWRkaXRpb25hbCBsb2NraW5nIHRvIHNldCBoaW50IGJpdHMuCgpX aGlsZSB0b3VjaGluZyBib3RoLCBhbHNvIG1ha2UgdGhlIGNvbW1lbnRzIG1vcmUgc2ltaWxhciB0 byBlYWNoIG90aGVyLgoKUmV2aWV3ZWQtYnk6IEhlaWtraSBMaW5uYWthbmdhcyA8aGVpa2tpLmxp bm5ha2FuZ2FzQGlraS5maT4KRGlzY3Vzc2lvbjogaHR0cHM6Ly9wb3N0Z3IuZXMvbS9mdmZta3I1 a2s0bnlleDU2ZWpneGozdXppNjNpc2Z4b3ZwMmJpZWNiNGJzcGJqcnplN0BhejJwbGphYmhuZmYK CkJyYW5jaAotLS0tLS0KbWFzdGVyCgpEZXRhaWxzCi0tLS0tLS0KaHR0cHM6Ly9naXQucG9zdGdy ZXNxbC5vcmcvcGcvY29tbWl0ZGlmZi8wOWFlMmM4YmFjOGRiNDA5YThjZDBiOGVlNDM4ZWE3NTI2 ZGViNGMzCgpNb2RpZmllZCBGaWxlcwotLS0tLS0tLS0tLS0tLQpzcmMvYmFja2VuZC9zdG9yYWdl L2J1ZmZlci9idWZtZ3IuYyB8IDM2ICsrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0t LQpzcmMvYmFja2VuZC9zdG9yYWdlL2xtZ3IvbHdsb2NrLmMgICB8ICA4ICsrKysrKy0tCjIgZmls ZXMgY2hhbmdlZCwgMzMgaW5zZXJ0aW9ucygrKSwgMTEgZGVsZXRpb25zKC0pCgo= --===============3868696350032211181==--