[PATCH 2/2] mm: memcontrol: remove page_memcg_check()
From: Tal Zussman
Date: Wed Oct 14 2026 - 13:11:29 EST
The last caller was removed in commit 90f095b816e2 ("mm/page_owner: use
memcg_data snapshot to avoid TOCTOU in print_page_owner_memcg()").
Remove it.
Signed-off-by: Tal Zussman <tz2294@xxxxxxxxxxxx>
---
include/linux/memcontrol.h | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index b65a2d0fca3a..33439e285d94 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -499,13 +499,6 @@ static inline struct mem_cgroup *folio_memcg_check(const struct folio *folio)
return obj_cgroup_memcg(objcg);
}
-static inline struct mem_cgroup *page_memcg_check(const struct page *page)
-{
- if (PageTail(page))
- return NULL;
- return folio_memcg_check((const struct folio *)page);
-}
-
static inline struct mem_cgroup *get_mem_cgroup_from_objcg(const struct obj_cgroup *objcg)
{
struct mem_cgroup *memcg;
@@ -1089,11 +1082,6 @@ static inline struct mem_cgroup *folio_memcg_check(const struct folio *folio)
return NULL;
}
-static inline struct mem_cgroup *page_memcg_check(const struct page *page)
-{
- return NULL;
-}
-
static inline struct mem_cgroup *get_mem_cgroup_from_objcg(const struct obj_cgroup *objcg)
{
return NULL;
--
2.39.5