memcg: convert to use cgroup_is_descendant()
authorLi Zefan <lizefan@huawei.com>
Mon, 23 Sep 2013 08:55:43 +0000 (16:55 +0800)
committerTejun Heo <tj@kernel.org>
Tue, 24 Sep 2013 01:44:14 +0000 (21:44 -0400)
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>

No differences found