From e406d1cfff6ab189c8676072d211809c94fecaf0 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Thu, 13 Feb 2014 06:58:39 -0500
Subject: [PATCH] cgroup: reimplement cgroup_transfer_tasks() without using
 css_scan_tasks()

Reimplement cgroup_transfer_tasks() so that it repeatedly fetches the
first task in the cgroup and then tranfers it.  This achieves the same
result without using css_scan_tasks() which is scheduled to be
removed.

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