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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 1E9CEC48BE5 for ; Wed, 16 Jun 2021 00:41:37 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AA19961107 for ; Wed, 16 Jun 2021 00:41:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA19961107 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=nec.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4F5EA6B006E; Tue, 15 Jun 2021 20:41:36 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4CC376B0070; Tue, 15 Jun 2021 20:41:36 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 346176B0071; Tue, 15 Jun 2021 20:41:36 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0164.hostedemail.com [216.40.44.164]) by kanga.kvack.org (Postfix) with ESMTP id 011496B006E for ; Tue, 15 Jun 2021 20:41:35 -0400 (EDT) Received: from smtpin31.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 870E8FB5A for ; Wed, 16 Jun 2021 00:41:35 +0000 (UTC) X-FDA: 78257733750.31.B71447A Received: from JPN01-TY1-obe.outbound.protection.outlook.com (mail-eopbgr1400041.outbound.protection.outlook.com [40.107.140.41]) by imf29.hostedemail.com (Postfix) with ESMTP id 23685FF for ; Wed, 16 Jun 2021 00:41:21 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=HqfYOPvi9QYvkjoOmCKORATbKjc1X3tVqvlyjiZ2hbkNf9NG2/nQPHRShWoziVIjcY+3MonjITpAEozy8PBdguU4mg6SDtjaE3UmuazLYHhVO4LeXg5g487A0ODCTNpxbD8ONLthHdzOakicCMbCDqsA4mYh+kBv94B8kuY+uBTHtjrPzkl65ome/5dP2q6oMEptEDxFY/kly1uZ07rSu9NCQg9+LVyL6TQ2+b7Byj3UUze7XAnY+mAdGRF4+T4Wi5wfXNQSLfnvcoDpBJXnxoHTzmJPdH5Sl8AXd40/g36QUuFuPsxrZopoF9eeeiikqs6LVWUk3y8IiHChYfDWfQ== 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=v1neC69SovLDYIamrjPpivRYj+pSEGSe82xLFMfbX3E=; b=fg6IQL5W62/3BweL77HH4bKgHUIT1Lv8YwECmK9ataHI9TvuY6veMo7UW5nPTLHAjIDsyrdEh5XLPSLfLnAQN6dGYKv7jVfCeGGqSOhv0ZYtggdYtQd0bxhP8S/Js5JUIEJGlrLptjsFYQy/ETWgsUBeQJGlNju/pE5trzwhB5uwRK4KiOg/DeYPTa9AGfOw5uTfOp6HtYOV4Hbbr6JIoNLxQDEQI5+zXrUXwtuHU9gVvlE5xvVwXCymLwTWu2cVCr4k2B+01Y8XfFRCAUK23PiYMhryRmKtsQZcv7giQ4wcbqpN45/gjSIDzik+4oyJOiFqAPubox9/FxY1nFkNhQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nec.com; dmarc=pass action=none header.from=nec.com; dkim=pass header.d=nec.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nec.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=v1neC69SovLDYIamrjPpivRYj+pSEGSe82xLFMfbX3E=; b=UanVE47tzSC0/RSoOf//AJ+fT50zdBy4j28XNneKpgFoqsC0wBvpfa5WGil03fCOhbCpQ3f5u/9QJ2T0sz5u4lE4LXNBmQVKyCvCP3XyDFMBFZhiT1If3QmD8JTyk2S/q1P3r4pHtEKfMbdgXF6OohzPHtwpZLfdm8RTbkz8Ffc= Received: from TY1PR01MB1852.jpnprd01.prod.outlook.com (2603:1096:403:8::12) by TYYPR01MB7071.jpnprd01.prod.outlook.com (2603:1096:400:dd::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4242.16; Wed, 16 Jun 2021 00:41:30 +0000 Received: from TY1PR01MB1852.jpnprd01.prod.outlook.com ([fe80::751b:afbb:95df:b563]) by TY1PR01MB1852.jpnprd01.prod.outlook.com ([fe80::751b:afbb:95df:b563%5]) with mapi id 15.20.4219.025; Wed, 16 Jun 2021 00:41:30 +0000 From: =?utf-8?B?SE9SSUdVQ0hJIE5BT1lBKOWggOWPo+OAgOebtOS5nyk=?= To: Miaohe Lin CC: Naoya Horiguchi , Andrew Morton , David Hildenbrand , Oscar Salvador , Michal Hocko , Ding Hui , Tony Luck , Aneesh Kumar K.V , "linux-kernel@vger.kernel.org" , Linux-MM Subject: Re: [PATCH v1 1/6] mm/hwpoison: mf_mutex for soft offline and unpoison Thread-Topic: [PATCH v1 1/6] mm/hwpoison: mf_mutex for soft offline and unpoison Thread-Index: AQHXYMK9UBpPYOGUckS2slhPQGgUyqsVBkGAgADI6oA= Date: Wed, 16 Jun 2021 00:41:30 +0000 Message-ID: <20210616004129.GB1924716@hori.linux.bs1.fc.nec.co.jp> References: <20210614021212.223326-1-nao.horiguchi@gmail.com> <20210614021212.223326-2-nao.horiguchi@gmail.com> In-Reply-To: Accept-Language: ja-JP, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [165.225.97.70] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 5078c5e4-0dd8-4af6-d13f-08d9305f7bb0 x-ms-traffictypediagnostic: TYYPR01MB7071: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:TY1PR01MB1852.jpnprd01.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(136003)(376002)(346002)(39860400002)(396003)(6916009)(316002)(1076003)(6486002)(54906003)(86362001)(8936002)(9686003)(6512007)(186003)(2906002)(478600001)(71200400001)(26005)(4326008)(33656002)(38100700002)(122000001)(5660300002)(6506007)(85182001)(8676002)(55236004)(7416002)(83380400001)(66946007)(66476007)(66556008)(76116006)(66446008)(64756008);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?S0RaU2Z1STBBY2dCSk83aC90S0Q2bEF2M2dDdGgwNUVLbCtjOHdvSEwrZURU?= =?utf-8?B?d1cyWTF5ZkZHL0JCYll4ZDlRSG1paWd5cDZQdlVSOXhRcWgrbVBrOGZReXVX?= =?utf-8?B?eXl2VDFlcGRlQnZ5Tkw2UVZEaTFJd3VSSjVya3RpTFZ0S2dFVGhFanRiYVhn?= =?utf-8?B?dTZDYmpMOGdjMHpBdWVadVVySlNhQ212ZFlaOHQ5aGJkVlVPamJCa3I4Q0ds?= =?utf-8?B?dWFqbHdKa1lCKzVzck5UTytVS2hoWWFSMUIyNEtRWS9wRkhBbDFOYVFGbUd1?= =?utf-8?B?akNOdklCV0pORVMrMURlOHlIZHZTaEMwMDVvaXdFWnZROWRabFpGc2pDWlRR?= =?utf-8?B?bUduRkh1ek5oU2YvQzkyUS92YkdMWW15eUZyZk1uT3pxU1FKc3RZczAzYXJR?= =?utf-8?B?bVRPT1Z4Z2JWWVJPb3k4RDlwenV4UHNOVll2TUZ3UzFmTlhzTzBXNks3NDg5?= =?utf-8?B?UG1RS3dNSzNOM282aVZrODVsa254V1Z4SXEzYkRtMURPNnFTOUN3V1h4Kzhy?= =?utf-8?B?MEt0K3IySDBtQlBXRy8xNUh6Z0MxT0g3M29aYVJwb1pwb1orTmViZWNLQ0V4?= =?utf-8?B?dzlBZVVOL0NWTDV2WEE4Nk9teld6UndmYW1sWkgzbzRNcnZrWWk1UnBocG1O?= =?utf-8?B?VFIwY1ozUlNaeHJLVkNPR3EvaldCN1FnSkhLL1lzQU5EOGZ2eXZPL3I5UXVZ?= =?utf-8?B?WXlkbS9veC9iUXlHZ3I0dks0Z3pPWDN5SGtQYmQ3TWRwZDBtcHhiZTVKSUI0?= =?utf-8?B?eHptdWRCQmFnM3I1dkpqcmw0UEpjb0p2Ylc2U3U3R2dKK3IvQi9SbGF2L2Jl?= =?utf-8?B?K1dOZHlKc0JNRWNlT3Z1THQxaDZmTy9zRGU5Umx4T0lYUTQwS0toVzMyWHE3?= =?utf-8?B?M1JMOFNRSEZGZFlEKzVpOFYrU3ROMnFXVWpaeHdWU0UrRkJCN1BJNmpRaTV4?= =?utf-8?B?YW5pbmNTMk9BWE44TkpBOEowbkcvakNqTk9FeXlZQU8xSmNTK0tTaVh4VlFi?= =?utf-8?B?Y1NXdWF3aVJzRjQ0Z2pqdE1WcFVBMjFWeXdadmxVb3RFY0pSSzhwMGNBL3ho?= =?utf-8?B?K2NSVDZUNkV3bUYrTGVJM0pnNEtyZGhWVjVlaFFnZG9yeFcxd0RidFFpZC9W?= =?utf-8?B?NHpXcVVyWDdVSGFmcTdmR1JVNHVPc1RHNU5CNGNZWEcrbFZOdk1GVEpDallF?= =?utf-8?B?T0FhL2k5NGM3MjBUQnN2cG85VU9lZlpTdEdlL2lBQkFjeWZIcm51NVR2RkNh?= =?utf-8?B?T2Z3RlJ0TllUMXgvTU5USVpnOFhubWZVMXNKeVNrRUg3R2hxTXFkejNVelZW?= =?utf-8?B?ZGJIWGt3VGpoV0poWVEvU3I0OWJUZzI4UTY4TEU1bmVrNzc0OUpIQ3liUXRI?= =?utf-8?B?NjFXTk1VYjViMDhYZ09CRGdSNVpnd2R5aFRPcGw4SlRzSUJNcGNmOXJENWdk?= =?utf-8?B?dG5Sa0pOKzZwYjhPMHdsTm83ek5tN2RtYWxHdjlNZTluc0lQZHZuSVROczhO?= =?utf-8?B?bzNkeTAydEpYUnZoU0tTTTJaTTNrYkJNdXdWeVB2UHZwUDduRWpYMUdkZG5j?= =?utf-8?B?VVNNSHlyS2tJU0VVUmRWNjFhbXhYZHJSZVMrODh2eURLOHhOaEY2K0QrY25q?= =?utf-8?B?eGgxa3FkRjNucVQ4OTE5ZHFhanM2Qy93WGd5SlVqemVKM3lSbThSSXZxVThr?= =?utf-8?B?L3duSjUvbk9wQUkzSUcweStjR3lsTHpIWFVmUkxydGxIcWtJdFh5czRWaWVm?= =?utf-8?Q?fmni8ROVMQJNb5bfkqmCZVdynmOm6MKT2QNxAcQ?= Content-Type: text/plain; charset="utf-8" Content-ID: <72C10D20FF251E43B98E8DA67027424C@jpnprd01.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: nec.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: TY1PR01MB1852.jpnprd01.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5078c5e4-0dd8-4af6-d13f-08d9305f7bb0 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Jun 2021 00:41:30.3968 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: e67df547-9d0d-4f4d-9161-51c6ed1f7d11 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: OjJwQ3ZMIefg2Tf6j6lJ/Y5EB7h3fhchx952SnCfKdovEH00DtyzIAa20E/varFvX3GF3UNyGFdgARyHvRAaMw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYYPR01MB7071 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 23685FF X-Stat-Signature: tfhcc5teyiu7b6atwin1gkh75dcn7bmt Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=nec.com header.s=selector1 header.b=UanVE47t; dmarc=none; spf=pass (imf29.hostedemail.com: domain of naoya.horiguchi@nec.com designates 40.107.140.41 as permitted sender) smtp.mailfrom=naoya.horiguchi@nec.com X-HE-Tag: 1623804081-449306 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: T24gVHVlLCBKdW4gMTUsIDIwMjEgYXQgMDg6NDI6MjNQTSArMDgwMCwgTWlhb2hlIExpbiB3cm90 ZToNCi4uLg0KPiA+IEBAIC0xOTYwLDcgKzE5NjQsNyBAQCBpbnQgdW5wb2lzb25fbWVtb3J5KHVu c2lnbmVkIGxvbmcgcGZuKQ0KPiA+ICAJaWYgKCFQYWdlSHVnZShwYWdlKSAmJiBQYWdlVHJhbnNI dWdlKHBhZ2UpKSB7DQo+ID4gIAkJdW5wb2lzb25fcHJfaW5mbygiVW5wb2lzb246IE1lbW9yeSBm YWlsdXJlIGlzIG5vdyBydW5uaW5nIG9uICUjbHhcbiIsDQo+ID4gIAkJCQkgcGZuLCAmdW5wb2lz b25fcnMpOw0KPiA+IC0JCXJldHVybiAwOw0KPiA+ICsJCWdvdG8gdW5sb2NrX211dGV4Ow0KPiA+ ICAJfQ0KPiA+ICANCj4gDQo+IE1heWJlIGl0J3MgbW9yZSBhcHByb3ByaWF0ZSB0byBzdGFydCBt dXRleF9sb2NrKCZtZl9tdXRleCkgaGVyZT8gSSB0aGluayB0aGVzZSByYWNlcyBzdGFydCBoZXJl Lg0KDQpIaSBNaWFvaGUsDQoNClRoYW5rIHlvdXIgZm9yIHRoZSByZXZpZXcuDQoNCkNvbnNpZGVy IHRoYXQgd2UgcHV0IG11dGV4X2xvY2soKSBoZXJlLCBhbmQgbGV0J3MgdGhpbmsgYWJvdXQgdHdv IGNvbmN1cnJlbnQNCmNhbGxzIG9mIHVucG9pc29uX21lbW9yeSgpLCB0aGVuIHRoZXNlIGV2ZW50 cyBjb3VsZCBiZSBwcm9jZXNzZWQgbGlrZSBiZWxvdzoNCg0KICAgIENQVSAwICAgICAgICAgICAg ICAgICAgICAgICAgICAgICBDUFUgMQ0KICAgIHVucG9pc29uX21lbW9yeQ0KICAgIGNoZWNrIFBh Z2VIV1BvaXNvbiAvLyB0cnVlDQogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg IHVucG9pc29uX21lbW9yeQ0KICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBj aGVjayBQYWdlSFdQb2lzb24gIC8vIHRydWUNCiAgICBtdXRleF9sb2NrDQogICAgZ2V0X2h3cG9p c29uX3BhZ2UNCiAgICBUZXN0Q2xlYXJQYWdlSFdQb2lzb24NCiAgICBwdXRfcGFnZQ0KICAgIHB1 dF9wYWdlIC8vIGZyZWVkDQogICAgbXV0ZXhfdW5sb2NrDQoNCiAgICAvLyB0aGUgdW5wb2lzb25l ZCBwYWdlIGNhbiBiZSB1c2VkIGZvciBhbGxvY2F0aW9uDQoNCiAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgbXV0ZXhfbG9jaw0KICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICBnZXRfaHdwb2lzb25fcGFnZSAvLyBzdWNjZWVkcw0KICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAuLi4gLy8gdW5wb2lzb24gdGhlICFQYWdlSFdQb2lzb24g cGFnZSAhPw0KDQoNClNvIEkgdGhvdWdodCB0aGF0IHdlIGhhZCBiZXR0ZXIgZG8gdGhlIHByZWNo ZWNrcyBpbiBtZl9tdXRleC4gIE1heWJlIHRoZSAybmQNCnVucG9pc29uX21lbW9yeSgpIGp1c3Qg Z2V0IGFuZCBwdXQgdGhlIHBhZ2UgcmVmY291bnQgYnkgMSBldmVuIGluIHRoaXMgcmFjZSwNCnNv IHRoZSBpbXBhY3QgaXMgbm90IHNvIGJpZywgYnV0IEkgZmVlbCBsaWtlIGF2b2lkaW5nICJ1bnBv aXNvbiB0aGUNCiFQYWdlSFdQb2lzb24gcGFnZSIgc2l0dWF0aW9uLg0KDQpEb2VzIGl0IG1ha2Ug c2Vuc2UgZm9yIHlvdT8NCg0KVGhhbmtzLA0KTmFveWEgSG9yaWd1Y2hp