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[216.228.121.65]) by mx.google.com with ESMTPS id k30si10751736pgb.587.2019.03.19.12.24.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 19 Mar 2019 12:24:09 -0700 (PDT) Received-SPF: pass (google.com: domain of jhubbard@nvidia.com designates 216.228.121.65 as permitted sender) client-ip=216.228.121.65; Authentication-Results: mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b=Pcr54m33; spf=pass (google.com: domain of jhubbard@nvidia.com designates 216.228.121.65 as permitted sender) smtp.mailfrom=jhubbard@nvidia.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 19 Mar 2019 12:24:06 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 19 Mar 2019 12:24:07 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 19 Mar 2019 12:24:07 -0700 Received: from [10.110.48.28] (10.124.1.5) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 19 Mar 2019 19:24:07 +0000 Subject: Re: [PATCH v4 0/1] mm: introduce put_user_page*(), placeholder versions To: Christopher Lameter , CC: Andrew Morton , , Al Viro , Christian Benvenuti , Christoph Hellwig , Dan Williams , Dave Chinner , Dennis Dalessandro , Doug Ledford , Ira Weiny , Jan Kara , Jason Gunthorpe , Jerome Glisse , Matthew Wilcox , Michal Hocko , Mike Rapoport , Mike Marciniszyn , Ralph Campbell , Tom Talpey , LKML , References: <20190308213633.28978-1-jhubbard@nvidia.com> <01000169972802f7-2d72ffed-b3a6-4829-8d50-cd92cda6d267-000000@email.amazonses.com> From: John Hubbard X-Nvconfidentiality: public Message-ID: Date: Tue, 19 Mar 2019 12:24:07 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.3 MIME-Version: 1.0 In-Reply-To: <01000169972802f7-2d72ffed-b3a6-4829-8d50-cd92cda6d267-000000@email.amazonses.com> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL108.nvidia.com (172.18.146.13) To HQMAIL101.nvidia.com (172.20.187.10) Content-Type: text/plain; charset="utf-8" Content-Language: en-US-large Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1553023446; bh=B4FuCFgWwDXwO2PMosZVJcIQ7FyaY1g0iFVVlUcEXgc=; h=X-PGP-Universal:Subject:To:CC:References:From:X-Nvconfidentiality: Message-ID:Date:User-Agent:MIME-Version:In-Reply-To: X-Originating-IP:X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=Pcr54m33hAY5+G1DxNuTgqEP0O0rC1NZ1dS7TpgNqEtN58Do8NCaXyvPcCY9D7Ebt giBwXsvb/USudSDVE57EBMZsDeMVF20GRfInVh3nFfGKs4cmMUDvD0MH3OAbUqkRiS v1u1ksXJ7k+IVC/26xMvrmJOgsdOnTwTp6GV1gSjOVck6l3uugy88GR2eMgLhN2Yj6 lfSp55JiL54qGodDwJN9Pfm+qXEloGPiLxh1PkVCKlvxvanF1zXUiXWs/nmt30QgP1 IyyNtuER93PF2uPGSF3iKcraGVN8PyKsCwlcqIdHZO0Kk6ilXKt/Gb1qAbBuG0YLjL 0ESRUpd2tDtPQ== 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 3/19/19 11:12 AM, Christopher Lameter wrote: > On Fri, 8 Mar 2019, john.hubbard@gmail.com wrote: > >> We seem to have pretty solid consensus on the concept and details of the >> put_user_pages() approach. Or at least, if we don't, someone please speak >> up now. Christopher Lameter, especially, since you had some concerns >> recently. > > My concerns do not affect this patchset which just marks the get/put for > the pagecache. The problem was that the description was making claims that > were a bit misleading and seemed to prescribe a solution. > > So lets get this merged. Whatever the solution will be, we will need this > markup. > Sounds good. Do you care to promote that thought into a formal ACK for me? :) thanks, -- John Hubbard NVIDIA