From: Qian Cai <c...@lca.pw>
mem_cgroup_id_get() was introduced in commit 73f576c04b94 ("mm:memcontrol:
fix cgroup creation failure after many small jobs").
Later, it no longer has any user since the commits,
1f47b61fb407 ("mm: memcontrol: fix swap counter leak on swapout from offline
cgroup")
58fa2a5512d9 ("mm: memcontrol: add sanity checks for memcg->id.ref on get/put")
so safe to remove it.
Link: http://lkml.kernel.org/r/1568648453-5482-1-git-send-email-...@lca.pw
Signed-off-by: Qian Cai <c...@lca.pw>
Acked-by: Michal Hocko <mho...@suse.com>
Cc: Johannes Weiner <han...@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov....@gmail.com>
Signed-off-by: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
https://jira.vzint.dev/browse/PSBM-147036
(cherry picked from commit 4d0e3230a56a75bf26d74b3f4b6cb05a0e9fae60)
Signed-off-by: Pavel Tikhomirov <ptikhomi...@virtuozzo.com>
---
mm/memcontrol.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 42ca14e637ef..098c18f4981e 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6717,11 +6717,6 @@ static void mem_cgroup_id_put_many(struct mem_cgroup
*memcg, unsigned int n)
}
}
-static inline void mem_cgroup_id_get(struct mem_cgroup *memcg)
-{
- mem_cgroup_id_get_many(memcg, 1);
-}
-
static inline void mem_cgroup_id_put(struct mem_cgroup *memcg)
{
mem_cgroup_id_put_many(memcg, 1);
--
2.40.1
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