tree a7c50e81a638a156ce8d4f41dcab273397e6e474
parent d5b1fe68baa7213f198e5be8cd1a1037258ab2c8
author Tejun Heo <tj@kernel.org> 1357577373 -0800
committer Tejun Heo <tj@kernel.org> 1357577428 -0800

cgroup: implement cgroup_rightmost_descendant()

Implement cgroup_rightmost_descendant() which returns the right most
descendant of the specified cgroup.  This can be used to skip the
cgroup's subtree while iterating with
cgroup_for_each_descendant_pre().

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