From 62d9a2fc8a56751fcd8a8ab780db7781374db5f0 Mon Sep 17 00:00:00 2001 From: Heikki Linnakangas Date: Mon, 6 Apr 2026 02:54:18 +0300 Subject: [PATCH 1/1] Use the allocated space properly for custom stats kind --- src/backend/utils/activity/pgstat_shmem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/backend/utils/activity/pgstat_shmem.c b/src/backend/utils/activity/pgstat_shmem.c index 955faf5ebc7..5e65a21fa83 100644 --- a/src/backend/utils/activity/pgstat_shmem.c +++ b/src/backend/utils/activity/pgstat_shmem.c @@ -189,6 +189,7 @@ 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 +243,8 @@ 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]; } -- 2.47.3