On Mon, Jan 10, 2022 at 5:03 PM 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: Shakeel Butt <shakeelb@xxxxxxxxxx>