From: Li Zefan <lizefan@huawei.com>
Date: Thu, 12 Sep 2013 22:13:19 +0000 (-0700)
Subject: memcg: remove redundant code in mem_cgroup_force_empty_write()
X-Git-Tag: v3.12-rc1~24^2~34
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c33bd8354f3a3bb26a98d2b6bf600b7b35657328;p=pandora-kernel.git

memcg: remove redundant code in mem_cgroup_force_empty_write()

vfs guarantees the cgroup won't be destroyed, so it's redundant to get a
css reference.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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