From: Li Zefan <lizefan@huawei.com>
Date: Mon, 23 Sep 2013 08:55:43 +0000 (+0800)
Subject: memcg: convert to use cgroup_is_descendant()
X-Git-Tag: v3.13-rc1~114^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b47f77b5a2243768d5cb1f143ce5e6c28baa271a;p=pandora-kernel.git

memcg: convert to use cgroup_is_descendant()

This is a preparation to kill css_id.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
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