cgroup, legacy_freezer: update comment for freezer_css_offline()

After commit f5d39b020809 ("freezer,sched: Rewrite core freezer logic"),
system_freezing_count was replaced by freezer_active.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/cgroup/legacy_freezer.c b/kernel/cgroup/legacy_freezer.c
index d598cc6ee92e9ea9d4f9a8063eee17ff1bfa80df..074653f964c1d058f1dcc60dc395d77272a5ad04 100644 (file)
--- a/kernel/cgroup/legacy_freezer.c
+++ b/kernel/cgroup/legacy_freezer.c
@@ -132,7 +132,7 @@ static int freezer_css_online(struct cgroup_subsys_state *css)
  * freezer_css_offline - initiate destruction of a freezer css
  * @css: css being destroyed
  *
- * @css is going away.  Mark it dead and decrement system_freezing_count if
+ * @css is going away.  Mark it dead and decrement freezer_active if
  * it was holding one.
  */
 static void freezer_css_offline(struct cgroup_subsys_state *css)