Re: [PATCH] mm: fix draining remote pageset

[Huang, Ying]

Hi, Christopher,

"Lameter, Christopher" <cl@xxxxxxxxxxxxxxxxxxxxxx> writes:

> On Tue, 22 Aug 2023, Michal Hocko wrote:
>
>> Yes, this doesn't really show any actual correctness problem so I do not
>> think this is sufficient to change the code. You would need to show that
>> the existing behavior is actively harmful.
>
> Having some pages from a remote NUMA node stuck in a pcp somewhere is
> making that memory unusable. It is usually rate that these remote
> pages are needed again and so they may remain there for a long time if
> the situation is right.
>
> And he is right that the intended behavior of freeing the remote pages
> has been disabled by the patch.
>
> So I think there is sufficient rationale to apply these fixes.

Thanks!  Can I get your "Acked-by" or "Reviewed-by" for the patch?

--
Best Regards,
Huang, Ying