mm: memcontrol: remove bogus NULL check after mem_cgroup_from_task()
authorJohannes Weiner <hannes@cmpxchg.org>
Wed, 10 Dec 2014 23:44:27 +0000 (15:44 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 11 Dec 2014 01:41:08 +0000 (17:41 -0800)
commitc01f46c7c725f0a1330673bc3c767b89a3b2dbc0
treeed1f293f2e6cad35c49198d36d7bccb32aa0162a
parent312722cbb2a6e12b74177f025a8ee7189816b04b
mm: memcontrol: remove bogus NULL check after mem_cgroup_from_task()

That function acts like a typecast - unless NULL is passed in, no NULL can
come out.  task_in_mem_cgroup() callers don't pass NULL tasks.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Vladimir Davydov <vdavydov@parallels.com>
Acked-by: Michal Hocko <mhocko@suse.cz
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/memcontrol.c