From: Michal Hocko <mhocko@suse.cz>
Date: Tue, 26 Jul 2011 23:08:29 +0000 (-0700)
Subject: memcg: add mem_cgroup_same_or_subtree() helper
X-Git-Tag: v3.1-rc1~203
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e92041d68b40c47faa34c7dc08fc650a6c36adc;p=pandora-kernel.git

memcg: add mem_cgroup_same_or_subtree() helper

We are checking whether a given two groups are same or at least in the
same subtree of a hierarchy at several places.  Let's make a helper for
it to make code easier to read.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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