linux-kernel - Re: [PATCH v2 1/1] mm/vmscan.c: Prevent allocating shrinker

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Message-ID: <YdxrFJyddTbAkXz9@optiplex-fbsd>
Date:   Mon, 10 Jan 2022 12:21:24 -0500
From:   Rafael Aquini <aquini@...hat.com>
To:     Michal Hocko <mhocko@...e.com>
Cc:     Yang Shi <shy828301@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nico Pache <npache@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>,
        Shakeel Butt <shakeelb@...gle.com>,
        Kirill Tkhai <ktkhai@...tuozzo.com>,
        Roman Gushchin <guro@...com>, Vlastimil Babka <vbabka@...e.cz>,
        Vladimir Davydov <vdavydov.dev@...il.com>, raquini@...hat.com,
        David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH v2 1/1] mm/vmscan.c: Prevent allocating shrinker_info on
 offlined nodes

On Mon, Jan 10, 2022 at 06:16:23PM +0100, Michal Hocko wrote:
> On Mon 10-01-22 12:09:50, Rafael Aquini wrote:
> [...]
> > > 3. From David, fix in node_zonelist().
> > > https://lore.kernel.org/all/51c65635-1dae-6ba4-daf9-db9df0ec35d8@redhat.com/T/#u
> > 
> > It seems to me that (3) is the simplest and effective way to cope with this case
> 
> Did you have chance to look at http://lkml.kernel.org/r/20211214100732.26335-1-mhocko@kernel.org

I'll take a closer look at it. 

Thanks Michal.

-- Rafael