Re: [PATCH] mm: Move check for SHRINKER_NUMA_AWARE to do_shrink_slab()

From: Shakeel Butt
Date: Thu Aug 02 2018 - 12:55:04 EST

On Thu, Aug 2, 2018 at 9:47 AM Yang Shi <shy828301@xxxxxxxxx> wrote:
> On Thu, Aug 2, 2018 at 4:00 AM, Kirill Tkhai <ktkhai@xxxxxxxxxxxxx> wrote:
> > In case of shrink_slab_memcg() we do not zero nid, when shrinker
> > is not numa-aware. This is not a real problem, since currently
> > all memcg-aware shrinkers are numa-aware too (we have two:
> Actually, this is not true. huge_zero_page_shrinker is NOT numa-aware.
> deferred_split_shrinker is numa-aware.

But both huge_zero_page_shrinker and huge_zero_page_shrinker are not
memcg-aware shrinkers. I think Kirill is saying all memcg-aware
shrinkers are also numa-aware shrinkers.