Re: [PATCH 1/2] memcg: fast hierarchy-aware child test fix

Kamezawa Hiroyuki
2013-02-13T10:42:21Z

(2013/02/11 17:04), Glauber Costa wrote:
> ---
> mm/memcontrol.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 25ac5f4..28252c9 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -5883,8 +5883,7 @@ static int mem_cgroup_oom_control_write(struct cgroup *cgrp,
>
> mutex_lock(&memcg_create_mutex);
> /* oom-kill-disable is a flag for subhierarchy. */
> - if ((parent->use_hierarchy) ||
> - (memcg->use_hierarchy && !list_empty(&cgrp->children))) {
> + if ((parent->use_hierarchy) || memcg_has_children(memcg)) {
> cgroup_unlock();
> return -EINVAL;
> }
>

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>