Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   =?utf-8?B?SE9SSUdVQ0hJIE5BT1lBKOWggOWPo+OAgOebtOS5nyk=?= 
        <naoya.horiguchi@nec.com>
To:     zhenwei pi <pizhenwei@bytedance.com>
CC:     "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "david@redhat.com" <david@redhat.com>,
        "linmiaohe@huawei.com" <linmiaohe@huawei.com>,
        "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
Subject: Re: [PATCH v5 1/1] mm/memory-failure: disable unpoison once hw error
 happens
Thread-Topic: [PATCH v5 1/1] mm/memory-failure: disable unpoison once hw error
 happens
Thread-Index: AQHYgFxZplLfJ1ijo0OLciOaJo4Kla1QH2OA
Date:   Wed, 15 Jun 2022 08:15:22 +0000
Message-ID: <20220615081521.GB1663556@hori.linux.bs1.fc.nec.co.jp>
References: <20220615020005.246295-1-pizhenwei@bytedance.com>
 <20220615020005.246295-2-pizhenwei@bytedance.com>
In-Reply-To: <20220615020005.246295-2-pizhenwei@bytedance.com>
Accept-Language: ja-JP, en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?T3lKdnJYU2dnNmhDWUtCeU9OSmlienVWRTE0SCtCUEQzeEwrN0JWdnZYZzdm?=
 =?utf-8?B?NitoOTk5dU1YNjg2TmZGWWhlem9rTXNienVlS0FTMDRmTnE0R1h1eXh3UmN5?=
 =?utf-8?B?SS85ZmZ0TjRIczBYeGxjYmp3VWlTVzUyMnNSOXFZWlluemxyZlFQUmQvRDVx?=
 =?utf-8?B?ZU1CSHZhM29nMGJDLzdaTlRDV1FycWFaMHBmSzI3eDRFZFF5VkFnbm1pd2g5?=
 =?utf-8?B?V25vbTdOeUV2REkvUmJWRWw5djFsUkI5My9PQndGanJaVFBYaGVnUUQrL3JY?=
 =?utf-8?B?V3UzRWVpRmx4cWtpMnhiU09rSDR2ZExJT1RmVjZEcUVMbFYwbFh5clJ6ODBs?=
 =?utf-8?B?UzJVRXUwK3czK0EwbjJjRC9BbnFYc2Z2c1gvN2thKzc5MXhNUFdUUEdZaEdn?=
 =?utf-8?B?WmhmV3h1bTFOQmx0clB0U1oyWXV4blBndXhLYTJwc3ByN0FOZERiZ2R4YXc4?=
 =?utf-8?B?VlRUTVE1ZGl0YkNjMEVKOXNFMXVPU2tHNHMzaGZQMDNSenRlN0hDZDVJdmFl?=
 =?utf-8?B?Tlk0TkhvcTRkQ3laakZ4bDZjbjNXNzdFQ0FBVUxYMk9VTTJXODkrSjJKMEN4?=
 =?utf-8?B?ZUdJYTU0MncreVdnR2kycUhMR3Y0bVgwRnN6Tnc4eFpPSVpjaFJyQXQxSExL?=
 =?utf-8?B?YmJIOTVHK2k3ZGEwVjhsd1RYUE5CTUUrRy9XUEZxTmpCNHNkOE55UDFkTjc4?=
 =?utf-8?B?SWE5ckUrUVBtKzJhTUR4R0V6VjU4V2QwdjUvNCtDWTVnUWg4cVRhNHNzaFVn?=
 =?utf-8?B?ZHh4MUVHNVFyblpRdXBZWG41RlNzdlpVRFhocVZadjYyN0Exbm9sdzZlYTJq?=
 =?utf-8?B?eXBhajhZYnpCbWtnemQ5b3h6WFhmN1Z3STVqV0JiSGlHUTU5WGhvcllKa2dD?=
 =?utf-8?B?cmlHeWNZUFZBRFFROUloYW05bnF1UEpBeDN0bkViYXEyMWtMeEVTM0k3K2Ev?=
 =?utf-8?B?MElycmVIalUvdVBld2pFR09oZmxHdzdOY013eElLenhXOUV1VTdVK3lURzBD?=
 =?utf-8?B?ekFXdDRhWGFFQWdrKy9vd1VaQnA4TkI5WERFTXJUN01EUHd4eG9VaXFNVjhr?=
 =?utf-8?B?SmQ2THo3bHU4SUVQcUIrRmNiaUVkRERYOTlWV1hFYU1Pd3lHeXZZNlZZcnBW?=
 =?utf-8?B?MWZ0NVloeUIvMEhQVEVhdDAxSHNtQzh6ME1aYmpsZnczdmg0cHQvNERPWmxh?=
 =?utf-8?B?b25UQW9lSkVFQzJZcktNYUExdjdUbVpwaG1tRmRhdFFNYWtEb0wyK1N3WHdo?=
 =?utf-8?B?Y1VZVmVQdjVYUzZOdDhEQUZHckpFZnVLRzZsQmtlcUJJbk9nRFdXZlQ1TEUz?=
 =?utf-8?B?ODlILzRkVklIdXJ2c3QwNi9qcDVVT0ttd1RyaWlWT2tKQXVPWTVzcjdHMGFR?=
 =?utf-8?B?RkRXRGJFSUNIdXA2RnRRWTVUUnNXbjU5NXRVV1pFVWpaWVMrYkFrNjlMK0l0?=
 =?utf-8?B?aW5tdjNLbGdwL2JhSmRoVTM2Tnp2NnNDWGs3cmJCK0xrbXZuMzh1RU5FLzBt?=
 =?utf-8?B?V2hJK0Z6LzhvSm1ZTmF0T1hUVVBHTVJoNmY4SytuVUtMSmIrcWMrTkZmMFQ1?=
 =?utf-8?B?dGpscDJvNEJrVTZDN1RFbUw3OXkzSGdzTlRBN2xsZnFxYzFxazdHOFFJbTVM?=
 =?utf-8?B?MEJ5NmM4b1FuUzBoOFlRSXFzVjF4bUhBZ0VjbnlaNjBacjNpcCtYUmFCcnBS?=
 =?utf-8?B?YWluOFBwcmd2aGlMZWFVR25mVERTd0t6NUJMY0FmK0x5N1EwQ1pUMmhCOHdq?=
 =?utf-8?B?YzQzWTBCVkZYMk9rVEh4blJacGQvdXFXMC9OMERtOHJhT2xmVDNHWThJcUJM?=
 =?utf-8?B?b29NcFpEL1dEMXFGeFhuUzJUQ0xUcHhYZURxTFpSOWpFbWtVSHdkY2VWNHc0?=
 =?utf-8?B?STR2aEJYSWU0RUtHd1ZQM3NoRmNQYUV5MHgwOU0rTDMyNTk4OFN5T2xZYjlD?=
 =?utf-8?B?K0U3ZlhuN0w4Q0NPQzFRR2h3dTVYOEJtR09xMHYxOXhRU3h0ZVgxdmRDdmhq?=
 =?utf-8?B?QTRjM3lQZ1VmNW1peXRTaUEzMDM5NFlFMktHQ0FaYW9hdFM3YVc4eG44ZytY?=
 =?utf-8?B?a0kwRTAxL0xySFVxTzU1bUdDWmFPZ2lXOE1mMmRMdmV3UFVBZ1l5OTFITCs2?=
 =?utf-8?B?cHpzcWJ0ME9sN0JlUk5LYldpcHpvTmpEcC9HYUd3ZThqSnhoUzdTQUFleXBW?=
 =?utf-8?B?TW14SFhDdUh1RDFQT0t5QzlvQXUwU2ZHbUk1YlR5TTY2RTIrYzFFUFNZUGJV?=
 =?utf-8?B?MDNMRUNsWFNKby9abWYvUnBKbFRWYkl2bFFZOVRlTkR5Y3FBd2ZtOEtlOERM?=
 =?utf-8?B?WGk3NE5nWGRnSHc5QituZjJEUkFtaUpZdlA1dXhRbzFicjVXWEt0bTQ0eWxP?=
 =?utf-8?Q?Nn4OM4Rs4PNduHXQ=3D?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <FA8D242290175A48825B84369CF54446@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: TYWPR01MB8591.jpnprd01.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 6a05e354-0839-4757-d39d-08da4ea731a9
X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Jun 2022 08:15:22.5752
 (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: o0gb+U2nxgQtE/aLN3t60ECRm6TQx5PLICj3No0Ylo9IfGFWwYKh+G9HBrz3Ozpf6zmgC9gk00UeD4PxyYDfyg==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYAPR01MB3646
X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,
        RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE
        autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
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