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

[Wei Yang]

On Tue, Jan 11, 2022 at 10:09:52AM -0800, Roman Gushchin wrote:
>On Tue, Jan 11, 2022 at 01:03:01AM +0000, Wei Yang 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.
>
>Does it bring any benefits except consistency?
>

I am afraid no.

>> 
>> Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
>
>Reviewed-by: Roman Gushchin <guro@xxxxxx>
>
>Thanks!

-- 
Wei Yang
Help you, Help me