[PATCH] cgroup: Remove stale comments

[Li Feng]

The function "cgroup_mount" had beed removed, remove related comments
to prevent confusion.

Related commit:90129625d9203a917f(cgroup: start switching to fs_context)

Signed-off-by: Li Feng <lifeng2221dd1@xxxxxxxxxxx>
---
 kernel/cgroup/cgroup.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 613845769103..493547b4941c 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -2139,7 +2139,6 @@ static void cgroup_kill_sb(struct super_block *sb)
 	/*
 	 * If @root doesn't have any children, start killing it.
 	 * This prevents new mounts by disabling percpu_ref_tryget_live().
-	 * cgroup_mount() may wait for @root's release.
 	 *
 	 * And don't kill the default root.
 	 */
-- 
2.25.1