mm: introduce mem_cgroup_put() helper
authorRoman Gushchin <guro@fb.com>
Fri, 17 Aug 2018 22:46:36 +0000 (15:46 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 17 Aug 2018 23:20:29 +0000 (16:20 -0700)
commitdc0b58643aff8b378086f25cce6789ccba68cbcb
tree3fbf85c994eb3c030be3cbc7c1beef0910c12a71
parent1a9b4b3d75679fbe8c3bb8fb7e957ea693b6a89c
mm: introduce mem_cgroup_put() helper

Introduce the mem_cgroup_put() helper, which helps to eliminate guarding
memcg css release with "#ifdef CONFIG_MEMCG" in multiple places.

Link: http://lkml.kernel.org/r/20180623000600.5818-2-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@kernel.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/memcontrol.h