cgroup: fix a typo in comment

In commit 8699b7762a62 ("cgroup: s/child_subsys_mask/subtree_ss_mask/"),
we rename child_subsys_mask to subtree_ss_mask. While it missed to
rename this in comment.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index db2e147e069fe52555bd8f8d39c2cd1e28341934..bb1e79791ed543b8f683d545847bcfd55fe8be7a 100644 (file)
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -413,7 +413,7 @@ struct cgroup {
        /*
         * The bitmask of subsystems enabled on the child cgroups.
         * ->subtree_control is the one configured through
-        * "cgroup.subtree_control" while ->child_ss_mask is the effective
+        * "cgroup.subtree_control" while ->subtree_ss_mask is the effective
         * one which may have more subsystems enabled.  Controller knobs
         * are made available iff it's enabled in ->subtree_control.
         */