From 4e2ba65068ac1d0e8c9df78a4ad787cf39640418 Mon Sep 17 00:00:00 2001
From: Zefan Li <lizefan@huawei.com>
Date: Fri, 19 Sep 2014 16:53:14 +0800
Subject: [PATCH] perf/cgroup: Remove perf_put_cgroup()

Commit 5a17f543ed68 ("cgroup: improve css_from_dir() into css_tryget_from_dir()")
removed perf_tryget_cgroup(), so let's also remove perf_put_cgroup().

Signed-off-by: Zefan Li <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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