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[195.135.220.15]) by mx.google.com with ESMTPS id d9si867737edz.195.2019.06.07.01.56.28 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 07 Jun 2019 01:56:28 -0700 (PDT) Received-SPF: pass (google.com: domain of osalvador@suse.de designates 195.135.220.15 as permitted sender) client-ip=195.135.220.15; Authentication-Results: mx.google.com; spf=pass (google.com: domain of osalvador@suse.de designates 195.135.220.15 as permitted sender) smtp.mailfrom=osalvador@suse.de 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 69A33ABB1; Fri, 7 Jun 2019 08:56:27 +0000 (UTC) Date: Fri, 7 Jun 2019 10:56:24 +0200 From: Oscar Salvador To: Dan Williams Cc: akpm@linux-foundation.org, Michal Hocko , Toshi Kani , =?iso-8859-1?B?Suly9G1l?= Glisse , Logan Gunthorpe , Pavel Tatashin , linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v9 10/12] mm/devm_memremap_pages: Enable sub-section remap Message-ID: <20190607085612.GA5803@linux> References: <155977186863.2443951.9036044808311959913.stgit@dwillia2-desk3.amr.corp.intel.com> <155977193326.2443951.14201009973429527491.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <155977193326.2443951.14201009973429527491.stgit@dwillia2-desk3.amr.corp.intel.com> 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 Wed, Jun 05, 2019 at 02:58:53PM -0700, Dan Williams wrote: > Teach devm_memremap_pages() about the new sub-section capabilities of > arch_{add,remove}_memory(). Effectively, just replace all usage of > align_start, align_end, and align_size with res->start, res->end, and > resource_size(res). The existing sanity check will still make sure that > the two separate remap attempts do not collide within a sub-section (2MB > on x86). > > Cc: Michal Hocko > Cc: Toshi Kani > Cc: Jérôme Glisse > Cc: Logan Gunthorpe > Cc: Oscar Salvador > Cc: Pavel Tatashin > Signed-off-by: Dan Williams Looks good to me: Reviewed-by: Oscar Salvador -- Oscar Salvador SUSE L3