Messages in this thread Patch in this message | | | From | Roman Gushchin <> | Subject | [RFC 4/4] cgroup: re-use the parent pointer in cgroup_destroy_locked() | Date | Wed, 2 Aug 2017 17:55:32 +0100 |
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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 <guro@fb.com> Suggested-by: Tejun Heo <tj@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Zefan Li <lizefan@huawei.com> Cc: Waiman Long <longman@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: kernel-team@fb.com Cc: linux-kernel@vger.kernel.org --- 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
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