[Devel] [PATCH vz10 17/32] mm/memcontrol: add missing inline to the mem_cgroup_fill_meminfo() stub

Konstantin Khorenko khorenko at virtuozzo.com
Fri Aug 21 19:37:03 MSK 2026


From: Eva Kurchatova <eva.kurchatova at virtuozzo.com>

The !CONFIG_MEMCG stub of mem_cgroup_fill_meminfo() is declared "static
void", not "static inline void", so every translation unit that includes
memcontrol.h without calling it gets an unused function - an error rather
than a warning once CONFIG_WERROR=y, as x86_64 defconfig has it:

  include/linux/memcontrol.h: error: 'mem_cgroup_fill_meminfo' defined
                              but not used [-Werror=unused-function]

Add the missing inline, like every other stub in the same #else block.

Fixes: 7710faa9d4f0 ("ve/proc: virtualize /proc/meminfo in a Container")
Feature: procfs: virtualize /proc/meminfo
https://virtuozzo.atlassian.net/browse/VSTOR-134732
Signed-off-by: Eva Kurchatova <eva.kurchatova at virtuozzo.com>
Signed-off-by: Konstantin Khorenko <khorenko at virtuozzo.com>
---
 include/linux/memcontrol.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index d47c3de71a49..2772a7750fa4 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1559,7 +1559,8 @@ static inline void split_page_memcg(struct page *head, int old_order, int new_or
 {
 }
 
-static void mem_cgroup_fill_meminfo(struct mem_cgroup *memcg, struct meminfo *mi)
+static inline void mem_cgroup_fill_meminfo(struct mem_cgroup *memcg,
+					   struct meminfo *mi)
 {
 }
 
-- 
2.47.1



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