cgroup: fix obsolete function name above css_free_rwork_fn()

MiaoheLin · htejun · commit a2c15fece4b4 · 2023-08-02T09:37:59.000-10:00
Since commit 8f36aae ("cgroup: Use rcu_work instead of explicit rcu and work item"), css_free_work_fn has been renamed to css_free_rwork_fn. Update corresponding comment. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
@@ -5301,7 +5301,7 @@ static struct cftype cgroup_psi_files[] = {
  *    RCU callback.
  *
  * 4. After the grace period, the css can be freed.  Implemented in
- *    css_free_work_fn().
+ *    css_free_rwork_fn().
  *
  * It is actually hairier because both step 2 and 4 require process context
  * and thus involve punting to css->destroy_work adding two additional

Original file line number	Diff line number	Diff line change
`@@ -5301,7 +5301,7 @@ static struct cftype cgroup_psi_files[] = {`
`5301`	`5301`	`* RCU callback.`
`5302`	`5302`	`*`
`5303`	`5303`	`* 4. After the grace period, the css can be freed. Implemented in`
`5304`		`- * css_free_work_fn().`
	`5304`	`+ * css_free_rwork_fn().`
`5305`	`5305`	`*`
`5306`	`5306`	`* It is actually hairier because both step 2 and 4 require process context`
`5307`	`5307`	`* and thus involve punting to css->destroy_work adding two additional`