linux-kernel - Re: [PATCH] mm: Move check for SHRINKER_NUMA_AWARE to do_shrink

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Message-Id: <20180802134723.ecdd540c7c9338f98ee1a2c6@linux-foundation.org>
Date:   Thu, 2 Aug 2018 13:47:23 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Kirill Tkhai <ktkhai@...tuozzo.com>
Cc:     vdavydov.dev@...il.com, mhocko@...e.com, aryabinin@...tuozzo.com,
        ying.huang@...el.com, penguin-kernel@...ove.SAKURA.ne.jp,
        willy@...radead.org, shakeelb@...gle.com, jbacik@...com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: Move check for SHRINKER_NUMA_AWARE to
 do_shrink_slab()

On Thu, 02 Aug 2018 14:00:52 +0300 Kirill Tkhai <ktkhai@...tuozzo.com> 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:
> super_block shrinker and workingset shrinker), but something may
> change in the future.

Fair enough.

> (Andrew, this may be merged to mm-iterate-only-over-charged-shrinkers-during-memcg-shrink_slab)

It got a bit messy so I got lazy and queued it as a separate patch.

btw, I have a note that https://lkml.org/lkml/2018/7/7/32 was caused by
this patch series.  Is that the case and do you know if this was
addressed?