cgroup: Fix incorrect css_set_rwsem reference in comment

Since commit f0d9a5f17575 ("cgroup: make css_set_rwsem a spinlock
and rename it to css_set_lock"), css_set_rwsem has been replaced by
css_set_lock. That commit, however, missed the css_set_rwsem reference
in include/linux/cgroup-defs.h. Fix that by changing it to css_set_lock
as well.

Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index f1b3151..265da00 100644 (file)
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -238,7 +238,7 @@ struct css_set {
         * Lists running through all tasks using this cgroup group.
         * mg_tasks lists tasks which belong to this cset but are in the
         * process of being migrated out or in.  Protected by
-        * css_set_rwsem, but, during migration, once tasks are moved to
+        * css_set_lock, but, during migration, once tasks are moved to
         * mg_tasks, it can be read safely while holding cgroup_mutex.
         */
        struct list_head tasks;