[RFC PATCH bpf-next v3 04/12] mm: define mem_cgroup_get_from_ino() outside of CONFIG_SHRINKER_DEBUG
From: Hui Zhu <hidden>
Date: 2026-01-23 08:58:42
Also in:
bpf, cgroups, linux-kselftest, linux-mm, lkml
Subsystem:
control group - memory resource controller (memcg), memory management, the rest · Maintainers:
Johannes Weiner, Michal Hocko, Roman Gushchin, Shakeel Butt, Andrew Morton, Linus Torvalds
From: Roman Gushchin <roman.gushchin@linux.dev> mem_cgroup_get_from_ino() can be reused by the BPF OOM implementation, but currently depends on CONFIG_SHRINKER_DEBUG. Remove this dependency. Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev> --- include/linux/memcontrol.h | 4 ++-- mm/memcontrol.c | 2 -- 2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 229ac9835adb..f3b8c71870d8 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h@@ -833,9 +833,9 @@ static inline unsigned long mem_cgroup_ino(struct mem_cgroup *memcg) { return memcg ? cgroup_ino(memcg->css.cgroup) : 0; } +#endif struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino); -#endif static inline struct mem_cgroup *mem_cgroup_from_seq(struct seq_file *m) {
@@ -1298,12 +1298,12 @@ static inline unsigned long mem_cgroup_ino(struct mem_cgroup *memcg) { return 0; } +#endif static inline struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino) { return NULL; } -#endif static inline struct mem_cgroup *mem_cgroup_from_seq(struct seq_file *m) {
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 3808845bc8cc..1f74fce27677 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c@@ -3658,7 +3658,6 @@ struct mem_cgroup *mem_cgroup_from_id(unsigned short id) return xa_load(&mem_cgroup_ids, id); } -#ifdef CONFIG_SHRINKER_DEBUG struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino) { struct cgroup *cgrp;
@@ -3679,7 +3678,6 @@ struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino) return memcg; } -#endif static void free_mem_cgroup_per_node_info(struct mem_cgroup_per_node *pn) {
--
2.43.0