From: Li Zefan <lizefan@huawei.com>
Date: Mon, 19 Aug 2013 02:05:24 +0000 (+0800)
Subject: cgroup: change cgroup_from_id() to css_from_id()
X-Git-Tag: v3.12-rc1~173^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1cb650b91ba582f6737457b7d22e368585596d2c;p=pandora-kernel.git

cgroup: change cgroup_from_id() to css_from_id()

Now we want cgroup core to always provide the css to use to the
subsystems, so change this API to css_from_id().

Uninline css_from_id(), because it's getting bigger and cgroup_css()
has been unexported.

While at it, remove the #ifdef, and shuffle the order of the args.

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