From: Gregory Price <gourry@gourry.net>
Date: Fri, 21 Nov 2025 19:48:59 +0000 (-0500)
Subject: hugetlb: add __read_mostly to sysctl_hugetlb_shm_group
X-Git-Tag: v6.19-rc1~112^2~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=348ced3da52b3161f5ceec8868e81973ce48e11d;p=thirdparty%2Flinux.git

hugetlb: add __read_mostly to sysctl_hugetlb_shm_group

sysctl bits are mostly-read values.

Link: https://lkml.kernel.org/r/20251121194859.265259-2-gourry@gourry.net
Signed-off-by: Gregory Price <gourry@gourry.net>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 457d48ac7bcd6..019a1c5281e4e 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -171,7 +171,7 @@ bool hugetlbfs_pagecache_present(struct hstate *h,
 
 struct address_space *hugetlb_folio_mapping_lock_write(struct folio *folio);
 
-extern int sysctl_hugetlb_shm_group;
+extern int sysctl_hugetlb_shm_group __read_mostly;
 extern struct list_head huge_boot_pages[MAX_NUMNODES];
 
 void hugetlb_bootmem_alloc(void);