Re: [PATCH v4 3/5] mm: memcontrol: change ug->dummy_page only if memcg changed

[Shakeel Butt]

On Thu, Mar 18, 2021 at 4:08 AM Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote:
>
> Just like assignment to ug->memcg, we only need to update ug->dummy_page
> if memcg changed. So move it to there. This is a very small optimization.
>
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>