Re: [PATCH 3/4] mm/memcg: retrieve parent memcg from css.parent

From: Muchun Song
Date: Mon Jan 10 2022 - 22:13:22 EST


On Tue, Jan 11, 2022 at 9:03 AM Wei Yang <richard.weiyang@xxxxxxxxx> wrote:
>
> The parent we get from page_counter is correct, while this is two
> different hierarchy.
>
> Let's retrieve the parent memcg from css.parent just like parent_cs(),
> blkcg_parent(), etc.
>
> Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>

Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Thanks.