cgroup: make serial_nr_cursor available throughout cgroup.c
authorLi Zefan <lizefan@huawei.com>
Tue, 18 Jun 2013 10:53:53 +0000 (18:53 +0800)
committerTejun Heo <tj@kernel.org>
Tue, 18 Jun 2013 18:14:21 +0000 (11:14 -0700)
The next patch will use it to determine if a cgroup is newly created
while we're iterating the cgroup hierarchy.

tj: Rephrased the comment on top of cgroup_serial_nr_cursor.

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

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