linux-kernel - Re: [PATCH 2/2] Revert "mm, thp: restore node-local hugepage allocations"

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Message-ID: <20190731081726.GB9330@dhcp22.suse.cz>
Date:   Wed, 31 Jul 2019 10:17:26 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     David Rientjes <rientjes@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Zi Yan <zi.yan@...rutgers.edu>,
        Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>,
        "Kirill A. Shutemov" <kirill@...temov.name>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Revert "mm, thp: restore node-local hugepage
 allocations"

On Tue 30-07-19 11:05:44, Andrew Morton wrote:
> On Tue, 30 Jul 2019 15:11:27 +0200 Michal Hocko <mhocko@...nel.org> wrote:
> 
> > On Thu 23-05-19 17:57:37, Andrew Morton wrote:
> > [...]
> > > It does appear to me that this patch does more good than harm for the
> > > totality of kernel users, so I'm inclined to push it through and to try
> > > to talk Linus out of reverting it again.  
> > 
> > What is the status here?
> 
> I doesn't seem that the mooted alternatives will be happening any time
> soon,
> 
> I would like a version of this patch which has a changelog which fully
> describes our reasons for reapplying the reverted revert.

http://lkml.kernel.org/r/20190503223146.2312-3-aarcange@redhat.com went
in great details IMHO about the previous decision as well as adverse
effect on swapout. Do you have any suggestions on what is missing there?

-- 
Michal Hocko
SUSE Labs