cgroup_freezer: update comment for freezer_css_online()

Xiu Jianfeng · htejun · commit a6b8daba00e6 · 2024-04-17T15:59:12.000-10:00
The freezer->lock was replaced by freezer_mutex in commit e5ced8e ("cgroup_freezer: replace freezer->lock with freezer_mutex"), so the comment here is out-of-date, update it. 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
@@ -106,8 +106,7 @@ freezer_css_alloc(struct cgroup_subsys_state *parent_css)
  * @css: css being created
  *
  * We're committing to creation of @css.  Mark it online and inherit
- * parent's freezing state while holding both parent's and our
- * freezer->lock.
+ * parent's freezing state while holding cpus read lock and freezer_mutex.
  */
 static int freezer_css_online(struct cgroup_subsys_state *css)
 {

Original file line number	Diff line number	Diff line change
`@@ -106,8 +106,7 @@ freezer_css_alloc(struct cgroup_subsys_state *parent_css)`
`106`	`106`	`* @css: css being created`
`107`	`107`	`*`
`108`	`108`	`* We're committing to creation of @css. Mark it online and inherit`
`109`		`- * parent's freezing state while holding both parent's and our`
`110`		`- * freezer->lock.`
	`109`	`+ * parent's freezing state while holding cpus read lock and freezer_mutex.`
`111`	`110`	`*/`
`112`	`111`	`static int freezer_css_online(struct cgroup_subsys_state *css)`
`113`	`112`	`{`