From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934906AbcIHNto (ORCPT ); Thu, 8 Sep 2016 09:49:44 -0400 Received: from mail-bn3nam01on0118.outbound.protection.outlook.com ([104.47.33.118]:23008 "EHLO NAM01-BN3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932244AbcIHNtm (ORCPT ); Thu, 8 Sep 2016 09:49:42 -0400 From: "Kani, Toshimitsu" To: "kirill@shutemov.name" CC: "hughd@google.com" , "kirill.shutemov@linux.intel.com" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "adilger.kernel@dilger.ca" , "mike.kravetz@oracle.com" , "dan.j.williams@intel.com" , "mawilcox@microsoft.com" , "akpm@linux-foundation.org" , "linux-nvdimm@lists.01.org" , "linux-fsdevel@vger.kernel.org" , "ross.zwisler@linux.intel.com" , "tytso@mit.edu" , "david@fromorbit.com" , "jack@suse.cz" Subject: Re: [PATCH v4 RESEND 0/2] Align mmap address for DAX pmd mappings Thread-Topic: [PATCH v4 RESEND 0/2] Align mmap address for DAX pmd mappings Thread-Index: AQHSAilHX/y+euft+0Ox/nTogkvaQaBgaSEAgAAMDQCAAAffAIAO/huAgAAv7YA= Date: Thu, 8 Sep 2016 13:49:40 +0000 Message-ID: <1473342519.2092.42.camel@hpe.com> References: <1472497881-9323-1-git-send-email-toshi.kani@hpe.com> <20160829204842.GA27286@node.shutemov.name> <1472506310.1532.47.camel@hpe.com> <1472508000.1532.59.camel@hpe.com> <20160908105707.GA17331@node> In-Reply-To: <20160908105707.GA17331@node> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=toshi.kani@hpe.com; x-originating-ip: [15.219.163.9] x-ms-office365-filtering-correlation-id: 2405cd45-ae1a-485b-1a06-08d3d7eefb0c x-microsoft-exchange-diagnostics: 1;CS1PR84MB0007;6:Opr8AtPX1+QKnfwDU1/MLvNPMfJFizEhJFAHabkmn83/fCJwofWeT10RB7xYp1IIrrc7HR918XGNiC7c3uq5dmhF6f4AZPSWPhBrT0r2uNu19m6nZcxl/aL3N6uX1iN2YTw1Zr1BgmxZ1SKnZnOwJpkyMKVoo4guxktTGyRz6RTtXmaq9fXQUqCJwQcbMaEzFwNj9BOe/dTSwAA60kg9AAnvd2vjIAUIQbdC9nY1YiNjJDRTc3lv8fUAmTvxeUTHJHSaoaXsCWwmbckAJYJIKEkPdST0GRb0Seu1u5l4xBxB1N6k+8/3fBRnRiLHYfABOncBY/V6y5sZxAMv+b0o6w==;5:tH7MmhUv9wg8gbmMO/Q3+Gd9+AMI9dgFSdUNBulfwRRGO1l9vNiVV5Or9hVYTOMXhmcnfJH2P2rh1VwjlowvGFsclopUcUUq2EpCjUk4jOW4p9C9qrP+rTaNwYAFz6Q9p9SxhlSjGeuuRZzcNYRLtA==;24:7RjxnUqdFAN1Khd67gqKBvhQkmGufbiNZPh+TGfUY94oFCz16Fdhk1Iy5xnHRZMr6JT3hn8252z2FVpY3y3jkn93Ri+YKvTjoi6Z+QxYgeM=;7:LpNYaj0yUg9VY7h3jKQcyPDOh+7RyX5t9a9zIWSemaHsrTmFP0Ui2Ff3JH+VTo0W+UDXO53Yq0WYKz8uaQoha6aM7spBPbKMIRBy/kzT4XsIvMyp6cD1aANMtRtGpqT5NnCCiHQFjGCwck+jJWQmdlNd4BOBMRpTDs+iQPiKncZHAJ+Ulsnv0L792QCqeaYwKTuTk6fhThw+uO7yxJCu1zA3Cd7jGLYLj/1i16aZ3iWpEyTLSw8AuQ2II//UjPfc x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:CS1PR84MB0007; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040176)(601004)(2401047)(5005006)(8121501046)(10201501046)(3002001)(6055026);SRVR:CS1PR84MB0007;BCL:0;PCL:0;RULEID:;SRVR:CS1PR84MB0007; x-forefront-prvs: 00594E8DBA x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(6009001)(7916002)(377424004)(24454002)(199003)(189002)(8676002)(87936001)(101416001)(122556002)(11100500001)(92566002)(2900100001)(86362001)(305945005)(2950100001)(7846002)(10400500002)(3660700001)(7736002)(5002640100001)(105586002)(66066001)(103116003)(33646002)(99286002)(5640700001)(97736004)(93886004)(5660300001)(2906002)(586003)(102836003)(3846002)(8666005)(77096005)(76176999)(54356999)(106356001)(106116001)(50986999)(7416002)(8936002)(81156014)(81166006)(1730700003)(6116002)(189998001)(36756003)(2351001)(4326007)(3280700002)(2501003)(110136002)(68736007);DIR:OUT;SFP:1102;SCL:1;SRVR:CS1PR84MB0007;H:CS1PR84MB0005.NAMPRD84.PROD.OUTLOOK.COM;FPR:;SPF:None;PTR:InfoNoRecords;A:1;MX:1;LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: MIME-Version: 1.0 X-OriginatorOrg: hpe.com X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Sep 2016 13:49:40.0601 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 105b2061-b669-4b31-92ac-24d304d195dc X-MS-Exchange-Transport-CrossTenantHeadersStamped: CS1PR84MB0007 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id u88Dnu9N025793 On Thu, 2016-09-08 at 13:57 +0300, Kirill A. Shutemov wrote: > On Mon, Aug 29, 2016 at 10:00:43PM +0000, Kani, Toshimitsu wrote: > > > > On Mon, 2016-08-29 at 15:31 -0600, Kani, Toshimitsu wrote: > > > > > > On Mon, 2016-08-29 at 23:48 +0300, Kirill A. Shutemov wrote: > > > >  : > > Looking further, these shmem_huge handlings only check pre- > > conditions.  So, we should > > be able to make shmem_get_unmapped_area() as a wrapper, which > > checks such shmem-specific conitions, and > > then call __thp_get_unmapped_area() for the actual work.  All DAX- > > specific checks are performed in thp_get_unmapped_area() as well. > >  We can make  __thp_get_unmapped_area() as a common function. > > > > I'd prefer to make such change as a separate item, > > Do you have plan to submit such change? Yes, I will submit the change once I finish testing. Thanks, -Toshi