From dbaa4dc3c8dd77a0e1c977024d4ae150e00456b3 Mon Sep 17 00:00:00 2001 From: Michael Paquier Date: Sat, 27 Jun 2026 11:45:56 +0900 Subject: [PATCH] Switch maximum of GUC huge_page_size to MAX_KILOBYTES As documented in guc.h, MAX_KILOBYTES is used to cap GUC parameters that are measured in kilobytes of memory. This way, size_t values can fit in builds where sizeof(size_t) is 4 bytes. Unfortunately, huge_page_size has missed this aspect, causing calculation failures when setting this GUC to a value higher than MAX_KILOBYTES, up to INT_MAX. Oversight in d2bddc2500fb. No backpatch is done, based on the lack of complaints. Reported-by: Daria Shanina Reviewed-by: Kyotaro Horiguchi Discussion: https://postgr.es/m/20260626.132415.904994526137946499.horikyota.ntt@gmail.com --- src/backend/utils/misc/guc_parameters.dat | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/backend/utils/misc/guc_parameters.dat b/src/backend/utils/misc/guc_parameters.dat index 7b1eb6e61bc..3c1e6b31bf8 100644 --- a/src/backend/utils/misc/guc_parameters.dat +++ b/src/backend/utils/misc/guc_parameters.dat @@ -1252,7 +1252,7 @@ variable => 'huge_page_size', boot_val => '0', min => '0', - max => 'INT_MAX', + max => 'MAX_KILOBYTES', check_hook => 'check_huge_page_size', },