From: Tejun Heo <tj@kernel.org>
Date: Sun, 1 Apr 2012 19:09:54 +0000 (-0700)
Subject: cgroup: build list of all cgroups under a given cgroupfs_root
X-Git-Tag: v3.5-rc1~142^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0ca5a84fc3ad8f75bb2b7ac3dc6a77151cd3906;p=pandora-kernel.git

cgroup: build list of all cgroups under a given cgroupfs_root

Build a list of all cgroups anchored at cgroupfs_root->allcg_list and
going through cgroup->allcg_node.  The list is protected by
cgroup_mutex and will be used to improve cgroup file handling.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
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