From 3fc3db9a3ae0ce108badf31a4a00e41b4236f5fc Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 12 Jun 2013 21:04:48 -0700
Subject: [PATCH] cgroup: remove now unused css_depth()

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
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Reading git-format-patch failed