As we already have a pointer to the parent cgroup in cgroup_destroy_locked(), we don't need to calculate it again to pass as an argument for cgroup1_check_for_release().
Signed-off-by: Roman Gushchin <[email protected]> Suggested-by: Tejun Heo <[email protected]> Cc: Tejun Heo <[email protected]> Cc: Zefan Li <[email protected]> Cc: Waiman Long <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: [email protected] Cc: [email protected] --- kernel/cgroup/cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index f58e1fe8bebd..2d9de4ec7727 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -5022,7 +5022,7 @@ static int cgroup_destroy_locked(struct cgroup *cgrp) tcgrp->nr_dying_descendants++; } - cgroup1_check_for_release(cgroup_parent(cgrp)); + cgroup1_check_for_release(parent); /* put the base reference */ percpu_ref_kill(&cgrp->self.refcnt); -- 2.13.3
