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Fix comment for MAX_SIMUL_LWLOCKS.

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This comment mentions that pg_buffercache locks all buffer
partitions simultaneously, but it hasn't done so since v10.

Oversight in commit 6e654546fb.

Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/aKTuAHVEuYCUmmIy%40nathan
This commit is contained in:
Nathan Bossart 2025-08-19 16:48:22 -05:00
parent eab9e4e27c
commit 3eec0e6533
1 changed files with 1 additions and 2 deletions
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3
src/backend/storage/lmgr/lwlock.c
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@ -162,8 +162,7 @@ LWLockPadded *MainLWLockArray = NULL;
/* /*
* We use this structure to keep track of locked LWLocks for release * We use this structure to keep track of locked LWLocks for release
* during error recovery. Normally, only a few will be held at once, but * during error recovery. Normally, only a few will be held at once, but
* occasionally the number can be much higher; for example, the pg_buffercache * occasionally the number can be much higher.
* extension locks all buffer partitions simultaneously.
*/ */
#define MAX_SIMUL_LWLOCKS 200 #define MAX_SIMUL_LWLOCKS 200