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)
commitb47f77b5a2243768d5cb1f143ce5e6c28baa271a
tree8b00b223ec4a4de4c485fc4f88b721196bd36fad
parent272b98c6455f00884f0350f775c5342358ebb73f
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>
mm/memcontrol.c