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.