linux-kernel - Re: [PATCH v2 0/4] mm, memory_hotplug: handle unitialized numa node gracefully

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Message-ID: <Yd1BKSU9y5miP2U5@dhcp22.suse.cz>
Date:   Tue, 11 Jan 2022 09:34:49 +0100
From:   Michal Hocko <mhocko@...e.com>
To:     Rafael Aquini <raquini@...hat.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Alexey Makhalov <amakhalov@...are.com>,
        LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org,
        Dennis Zhou <dennis@...nel.org>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Oscar Salvador <osalvador@...e.de>, Tejun Heo <tj@...nel.org>,
        Christoph Lameter <cl@...ux.com>,
        Nico Pache <npache@...hat.com>
Subject: Re: [PATCH v2 0/4] mm, memory_hotplug: handle unitialized numa node
 gracefully

On Mon 10-01-22 16:16:06, Rafael Aquini wrote:
> On Tue, Dec 14, 2021 at 11:07:28AM +0100, Michal Hocko wrote:
> > Hi,
> > this should be the full bundle for now. I have ended up with 4 patches.
> > The primary fix is patch 2 (should be reasonably easy to backport to
> > older kernels if there is any need for that). Patches 3 and 4 are mere
> > clean ups.
> >
> > I will repost once this can get some testing from Alexey. Shouldn't be
> > too much different from http://lkml.kernel.org/r/YbHfBgPQMkjtuHYF@dhcp22.suse.cz
> > with the follow up fix squashed in.
> > 
> > I would really appreciate to hear more about http://lkml.kernel.org/r/YbMZsczMGpChaWz0@dhcp22.suse.cz
> > because I would like to add that information to the changelog as well.
> > 
> > Thanks for the review and testing.
> > 
> 
> FWIW, you can add my Acked-by on your repost Michal.
> 
> I reviewed your patches and tested them against that PPC crash on boot 
> described at https://lore.kernel.org/all/YdxoXhTqCmVrT0R5@optiplex-fbsd/
> 
> Everything has worked like a charm, AFAICT.
> 
> Thank you for letting me know about these patches, and thanks for
> working on them as a follow-up to that problem reported by Nico.

Thanks a lot for review and testing Rafael!

-- 
Michal Hocko
SUSE Labs