v2-0001-Use-the-allocated-space-properly-for-custom-stats.patch
text/plain
Filename: v2-0001-Use-the-allocated-space-properly-for-custom-stats.patch
Type: text/plain
Part: 0
Patch
Format: format-patch
Series: patch v2-0001
Subject: Use the allocated space properly for custom stats kind
| File | + | − |
|---|---|---|
| src/backend/utils/activity/pgstat_shmem.c | 4 | 3 |
From 9d0c00e96d8776d21f556e1457abf635fe211f9c Mon Sep 17 00:00:00 2001 From: Michael Paquier <michael@paquier.xyz> Date: Mon, 6 Apr 2026 09:47:02 +0900 Subject: [PATCH v2] Use the allocated space properly for custom stats kind --- src/backend/utils/activity/pgstat_shmem.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/src/backend/utils/activity/pgstat_shmem.c b/src/backend/utils/activity/pgstat_shmem.c index 955faf5ebc7d..b8f354c818a0 100644 --- a/src/backend/utils/activity/pgstat_shmem.c +++ b/src/backend/utils/activity/pgstat_shmem.c @@ -150,8 +150,7 @@ StatsShmemSize(void) continue; Assert(kind_info->shared_size != 0); - - sz += MAXALIGN(kind_info->shared_size); + sz = add_size(sz, MAXALIGN(kind_info->shared_size)); } return sz; @@ -189,6 +188,7 @@ StatsShmemInit(void *arg) * efficiency win. */ ctl->raw_dsa_area = p; + p += pgstat_dsa_init_size(); dsa = dsa_create_in_place(ctl->raw_dsa_area, pgstat_dsa_init_size(), LWTRANCHE_PGSTATS_DSA, NULL); @@ -242,7 +242,8 @@ StatsShmemInit(void *arg) int idx = kind - PGSTAT_KIND_CUSTOM_MIN; Assert(kind_info->shared_size != 0); - ctl->custom_data[idx] = ShmemAlloc(kind_info->shared_size); + ctl->custom_data[idx] = p; + p += MAXALIGN(kind_info->shared_size); ptr = ctl->custom_data[idx]; } -- 2.53.0