diff options
| author | Muchun Song <[email protected]> | 2020-06-25 20:30:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-06-26 00:27:37 -0700 |
| commit | 3a98990ae2150277ed34d3b248c60e68bf2244b2 (patch) | |
| tree | 06e233221e027d29ac8bd1a35a895a40c36bc27a | |
| parent | cd324edce598ebddde44162a2aa01321c1261b9e (diff) | |
mm/memcontrol.c: add missed css_put()
We should put the css reference when memory allocation failed.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: f0a3a24b532d ("mm: memcg/slab: rework non-root kmem_cache lifecycle management")
Signed-off-by: Muchun Song <[email protected]>
Acked-by: Roman Gushchin <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Vladimir Davydov <[email protected]>
Cc: Qian Cai <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/memcontrol.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 5de0a9035b5f..da15b686caa8 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2772,8 +2772,10 @@ static void memcg_schedule_kmem_cache_create(struct mem_cgroup *memcg, return; cw = kmalloc(sizeof(*cw), GFP_NOWAIT | __GFP_NOWARN); - if (!cw) + if (!cw) { + css_put(&memcg->css); return; + } cw->memcg = memcg; cw->cachep = cachep; |