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[195.135.220.15]) by mx.google.com with ESMTPS id k28si22958282ede.131.2019.07.31.01.17.28 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 31 Jul 2019 01:17:28 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning mhocko@kernel.org does not designate 195.135.220.15 as permitted sender) client-ip=195.135.220.15; Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning mhocko@kernel.org does not designate 195.135.220.15 as permitted sender) smtp.mailfrom=mhocko@kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id C289CAF54; Wed, 31 Jul 2019 08:17:27 +0000 (UTC) Date: Wed, 31 Jul 2019 10:17:26 +0200 From: Michal Hocko To: Andrew Morton Cc: David Rientjes , Mel Gorman , Andrea Arcangeli , Vlastimil Babka , Zi Yan , Stefan Priebe - Profihost AG , "Kirill A. Shutemov" , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] Revert "mm, thp: restore node-local hugepage allocations" Message-ID: <20190731081726.GB9330@dhcp22.suse.cz> References: <20190503223146.2312-1-aarcange@redhat.com> <20190503223146.2312-3-aarcange@redhat.com> <20190520153621.GL18914@techsingularity.net> <20190523175737.2fb5b997df85b5d117092b5b@linux-foundation.org> <20190730131127.GT9330@dhcp22.suse.cz> <20190730110544.84d91ba80365cf35f5aae291@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190730110544.84d91ba80365cf35f5aae291@linux-foundation.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue 30-07-19 11:05:44, Andrew Morton wrote: > On Tue, 30 Jul 2019 15:11:27 +0200 Michal Hocko 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