From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69AA4C3A59C for ; Fri, 16 Aug 2019 15:23:22 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 29B8E206C1 for ; Fri, 16 Aug 2019 15:23:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=Mellanox.com header.i=@Mellanox.com header.b="DU4dUVjk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 29B8E206C1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id BBDC86B0007; Fri, 16 Aug 2019 11:23:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B6E676B0008; Fri, 16 Aug 2019 11:23:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A5E916B000A; Fri, 16 Aug 2019 11:23:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0190.hostedemail.com [216.40.44.190]) by kanga.kvack.org (Postfix) with ESMTP id 82D8B6B0007 for ; Fri, 16 Aug 2019 11:23:21 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id 372947580 for ; Fri, 16 Aug 2019 15:23:21 +0000 (UTC) X-FDA: 75828659802.28.show25_663108732e X-HE-Tag: show25_663108732e X-Filterd-Recvd-Size: 7030 Received: from EUR02-AM5-obe.outbound.protection.outlook.com (mail-eopbgr00073.outbound.protection.outlook.com [40.107.0.73]) by imf09.hostedemail.com (Postfix) with ESMTP for ; Fri, 16 Aug 2019 15:23:20 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=g9yCuMmIa9f/kdv0lr2Z5X84QAU3Zjf4qwY2bQJ8FDddObWqengMjMGUlQy38x5+MDnssNhos98bJPWiKKNc1mg5VsRknKY+dGeGSIIxxlxk1bSMEJfZrrKf0L5QQP8dVOkbBnnBCVu8T5u1Xn0bZqQ1dGcBxMfMWjq5YZt0hpMXCHvAeIBClj1P35I6YXJLM+oPyyGZx69pkwaYGP0FdN9hQA023nKnvRBtDcYrF0rhOnktDe0tkBFo9gKisXSfO6CvFS5DAhLBPL6S4XGFpn2IH/dyHIL4aGjWDQxYytA5bo1gkhYso25bw4krmPYlO6vf18ERLihtGxXapIUlYg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=FLj0+5s8J4sPOjNLh2U7YQGSIRaX9TNUBlVpzIo7nrE=; b=LryzlOrjBeaQ5p5tZF/R7GoMcr3VU+zTb+Stzh8zb/EmhwGyUaGBdl+vZiOiC1g0BD357sUvxARKqj30unbLq3srW0t4Gi/4A7GvtsO9KzaEG6GFW2yaoBmwwrQjbyxJ5/obA3+tQXy2jdty1sqQ4bptOtp1hL61dAs5J0rv8B3pzJAEVa/OXWRh2h1DV3IuuJ/M3VVnhe35MQpJ23KOL+7nB8kEzRbf8vtRgrZ8oemfJ+gZiscy0Y2YTSKkAaF+qszbs1UV1fW9TQdnFgeIIAsWtl2CTqaG9FUG7zoyA6SascHFztBRjYu9UkFfuttEygOo2HdBHcaIO32nd5Ed1A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=mellanox.com; dmarc=pass action=none header.from=mellanox.com; dkim=pass header.d=mellanox.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=FLj0+5s8J4sPOjNLh2U7YQGSIRaX9TNUBlVpzIo7nrE=; b=DU4dUVjkfM/n2QsXl5K9QmD6eAymwjgkoDA5Rp5poek10h0GfrTdSWlbb4D4TXhOgmW2v/9uOpSjSnv0R4WcINftQrgjdKyEVFMau3ZZLYhVDCp/WgKTs5cRBpybz0JV4fEFimrDaO+u5QVk9eu0mwCAyFlyQxNVwd6Wpu1PlP0= Received: from VI1PR05MB4141.eurprd05.prod.outlook.com (10.171.182.144) by VI1PR05MB5806.eurprd05.prod.outlook.com (20.178.122.204) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2157.20; Fri, 16 Aug 2019 15:23:17 +0000 Received: from VI1PR05MB4141.eurprd05.prod.outlook.com ([fe80::1d6:9c67:ea2d:38a7]) by VI1PR05MB4141.eurprd05.prod.outlook.com ([fe80::1d6:9c67:ea2d:38a7%6]) with mapi id 15.20.2178.016; Fri, 16 Aug 2019 15:23:17 +0000 From: Jason Gunthorpe To: Christoph Hellwig CC: =?iso-8859-1?Q?J=E9r=F4me_Glisse?= , Ben Skeggs , Ralph Campbell , Bharata B Rao , Andrew Morton , "linux-mm@kvack.org" , "nouveau@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 09/10] mm: remove the unused MIGRATE_PFN_DEVICE flag Thread-Topic: [PATCH 09/10] mm: remove the unused MIGRATE_PFN_DEVICE flag Thread-Index: AQHVUnZHuPYLs17X5ES78msdznuF1ab96BsA Date: Fri, 16 Aug 2019 15:23:17 +0000 Message-ID: <20190816152312.GJ5412@mellanox.com> References: <20190814075928.23766-1-hch@lst.de> <20190814075928.23766-10-hch@lst.de> In-Reply-To: <20190814075928.23766-10-hch@lst.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: QB1PR01CA0012.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:c00:2d::25) To VI1PR05MB4141.eurprd05.prod.outlook.com (2603:10a6:803:4d::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=jgg@mellanox.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [156.34.55.100] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a3a52c03-835c-4fea-8361-08d7225da9fb x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020);SRVR:VI1PR05MB5806; x-ms-traffictypediagnostic: VI1PR05MB5806: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:989; x-forefront-prvs: 0131D22242 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(136003)(366004)(376002)(396003)(39860400002)(346002)(189003)(199004)(25786009)(3846002)(316002)(66556008)(99286004)(6512007)(486006)(54906003)(476003)(76176011)(446003)(256004)(2616005)(36756003)(6486002)(6436002)(8936002)(4326008)(71190400001)(6116002)(2906002)(478600001)(66066001)(229853002)(33656002)(11346002)(6916009)(102836004)(1076003)(6246003)(7416002)(386003)(71200400001)(186003)(4744005)(52116002)(66476007)(6506007)(53936002)(81156014)(86362001)(7736002)(305945005)(5660300002)(8676002)(14454004)(81166006)(66946007)(66446008)(64756008)(26005);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR05MB5806;H:VI1PR05MB4141.eurprd05.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: O0hU/8wSHSywervEfRcqYXbmdilbl3ug6l6GV7LAsWtd0dYKf+qW6SgBQTVj2ilV6btto2PSuNmwHB8DP2K7o8SsWlru1LEdyucz4P7GWOV4qBZ+zRiyRQzOFEYUMl+TJDV9VtXmXenPLT0iriafXWcgCbuhVBW/mQv0fxYvPfI3MpS6C7OwpqteVXNoFJUmKGejn1WXP3Sx2kIQ7SvBAOtgjJjyO9QgDGjHdsa0PCDZOnimBifYdLDQxvUDEbbVNqAFICIeOFj+BVFrEtJrR5WkAEBYbZX2XPpMe1LBt3YyAA4K9sM88gGPKGcXKedXpkSgbzSnVCpCxDkyiRifmuhm5VnnlkYSnZGZJUQ+ir3Ixtx2+dIO2sRXC6Gv81gTe44NCO4QIpnJhd/CCAv01Oh29BrU8mXNCjhqCZaJqEk= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-8859-1" Content-ID: <3EB9395C750F37448F03B7FC8F9B531F@eurprd05.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: a3a52c03-835c-4fea-8361-08d7225da9fb X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Aug 2019 15:23:17.6119 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: GzK5fNV+K9WuO7Kuped3qoX9mXDcuyVmPFlH2li/ySQFL8J+V6Skf05PZDux1MNgAsJ0DniWqbk3ATrTl5/7MQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR05MB5806 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, Aug 14, 2019 at 09:59:27AM +0200, Christoph Hellwig wrote: > No one ever checks this flag, and we could easily get that information > from the page if needed. >=20 > Signed-off-by: Christoph Hellwig > Reviewed-by: Ralph Campbell > --- > drivers/gpu/drm/nouveau/nouveau_dmem.c | 3 +-- > include/linux/migrate.h | 1 - > mm/migrate.c | 4 ++-- > 3 files changed, 3 insertions(+), 5 deletions(-) Reviewed-by: Jason Gunthorpe Jason