Commit d0ec4230 authored Aug 05, 2015 by Tejun Heo

cgroup: export cgrp_dfl_root



While cgroup subsystems can't be modules, blkcg supports dynamically
loadable policies which interact with cgroup core.  Export
cgrp_dfl_root so that cgroup_on_dfl() can be used in those modules.

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

parent 6abc8ca1

kernel/cgroup.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -145,6 +145,7 @@ static const char *cgroup_subsys_name[] = {
		* part of that cgroup.
		*/
		struct cgroup_root cgrp_dfl_root;
		EXPORT_SYMBOL_GPL(cgrp_dfl_root);

		/*
		* The default hierarchy always exists but is hidden until mounted for the