linux-kernel - Re: [PATCH v3 1/1] mm: page_alloc: skip over regions of invalid pfns on UMA

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Message-Id: <20180216164328.de7d37584409e827c396bf69@linux-foundation.org>
Date:   Fri, 16 Feb 2018 16:43:28 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Eugeniu Rosca <erosca@...adit-jv.com>,
        Matthew Wilcox <willy@...radead.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Steven Sistare <steven.sistare@...cle.com>,
        AKASHI Takahiro <takahiro.akashi@...aro.org>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        Gioh Kim <gi-oh.kim@...fitbricks.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Wei Yang <richard.weiyang@...il.com>,
        Miles Chen <miles.chen@...iatek.com>,
        Vlastimil Babka <vbabka@...e.cz>, Mel Gorman <mgorman@...e.de>,
        Johannes Weiner <hannes@...xchg.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hartley <james.hartley@...s.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v3 1/1] mm: page_alloc: skip over regions of invalid
 pfns on UMA

On Mon, 12 Feb 2018 19:47:59 +0100 Michal Hocko <mhocko@...nel.org> wrote:

> > prerequisite for this is to reach some agreement on what people think is
> > the best option, which I feel didn't occur yet.
> 
> I do not have a _strong_ preference here as well. So I will leave the
> decision to you.
> 
> In any case feel free to add
> Acked-by: Michal Hocko <mhocko@...e.com>

I find Michal's version to be a little tidier.

Eugeniu, please send Michal's patch at me with a fresh changelog, with
your signed-off-by and your tested-by and your reported-by and we may
as well add Michal's (thus-far-missing) signed-off-by ;)