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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2FE8CC19F29 for ; Tue, 2 Aug 2022 19:36:41 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8A42A8E0003; Tue, 2 Aug 2022 15:36:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 852BE8E0001; Tue, 2 Aug 2022 15:36:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 657E08E0003; Tue, 2 Aug 2022 15:36:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 56C3E8E0001 for ; Tue, 2 Aug 2022 15:36:40 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 20706160F85 for ; Tue, 2 Aug 2022 19:36:40 +0000 (UTC) X-FDA: 79755659760.02.FB97D7D Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by imf16.hostedemail.com (Postfix) with ESMTP id 9C2FC18010C for ; Tue, 2 Aug 2022 19:36:39 +0000 (UTC) Received: from pps.filterd (m0148460.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 272I2Vdm019952; Tue, 2 Aug 2022 12:36:39 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=facebook; bh=23kwr+UbwBY3Zez8HMpmbVqMYS5tAtB36ZGcJs2CWCw=; b=hDn6r76Ft6gmncO+IA9/no90rmyVDjIwkcQqz2ZJVGQNxFNSarI4Fjpo0oHylEqA88lT 6Amkm6XyBpfq3CF50mJR7FgkHHwXW4ahUvLk+BKY1Pt63C601xhM/Sh1JDICsa77YgC5 P6DuWWqF00OT+DJCvXTfh+WzdimZqOilNhc= Received: from nam02-bn1-obe.outbound.protection.outlook.com (mail-bn1nam07lp2048.outbound.protection.outlook.com [104.47.51.48]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3hq4b7k2va-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 02 Aug 2022 12:36:38 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KzYTN5B+tyu/RETKkEpEdslNTSNKb9ZBfaU40Tx5IX2iLz0bHvyOaDZsp03y0EErAozJ8yQCFUAIz/UupFEZz6GRbN038bMWYtWnxqh54I7SPkLLH1aW8X5AlhtNZgsGFqsmPMPfPiNw+z8e7N5IThHndJN6j7xE0UrRS7pY5llOdA0N9Y1JBduxZY8+yC50bRW7sg+D9Y2NaMJEAngDMiBECSqGJPT80Ah+4y3v3JDoXda7jtK/l8Aw9spxEJdgW0rcilllHwySYFyTkWZaTf4WmAHErs24W68HFzB70mq8Wyr4VQgA/bXDNTN/8E3vt+ksisYkyOBrlTgcs3+nSg== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=23kwr+UbwBY3Zez8HMpmbVqMYS5tAtB36ZGcJs2CWCw=; b=OvkJX7eo1mL6Y3FgoPE0EVHe6sIUKV4+pwUScYjT2KPFnmqYJVYArFtQvx4g2efJkqaiQwmWTXpgI3ifK+2S570yYDFqRSCNz3h+uowBvMRRQ4pvLSmAi0tFwiTxw5RfB4vVIUDRsJgu3PlvD/MR5rDaUod4wrqxBTriaRB0BgTSRPqYjLmfC04MdvAIYerldQlloywILR2cAZA1RIbuD1chb1vDsA7Pi1ncj4OsXPhbNhXcBb5cff342cL46aoJQ0qx/15Jjv9SugGbidJ/dd2ociCaIPK/dYQlAjU6Gy2/sRs32MoxNWpDj4vKS6n6KcosmGFVIvkyC4PpIl2jvQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=fb.com; dmarc=pass action=none header.from=fb.com; dkim=pass header.d=fb.com; arc=none Received: from CY4PR15MB1781.namprd15.prod.outlook.com (2603:10b6:910:1f::13) by BN8PR15MB2884.namprd15.prod.outlook.com (2603:10b6:408:84::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5504.14; Tue, 2 Aug 2022 19:36:37 +0000 Received: from CY4PR15MB1781.namprd15.prod.outlook.com ([fe80::351d:e6bc:a9e4:4118]) by CY4PR15MB1781.namprd15.prod.outlook.com ([fe80::351d:e6bc:a9e4:4118%11]) with mapi id 15.20.5482.016; Tue, 2 Aug 2022 19:36:36 +0000 From: "Alex Zhu (Kernel)" To: "dsterba@suse.cz" CC: Kernel Team , "linux-mm@kvack.org" , Chris Mason , "josef@toxicpanda.com" , "dsterba@suse.com" , "linux-btrfs@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2] mm: fix alginment of VMA for memory mapped files on THP Thread-Topic: [PATCH v2] mm: fix alginment of VMA for memory mapped files on THP Thread-Index: AQHYpdc91iPt0edc6E6lZZkF997xNK2b6V4AgAAZTYA= Date: Tue, 2 Aug 2022 19:36:36 +0000 Message-ID: References: <20220801184740.2134364-1-alexlzhu@fb.com> <20220802180602.GX13489@twin.jikos.cz> In-Reply-To: <20220802180602.GX13489@twin.jikos.cz> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 34ee344d-68cc-4452-4bf2-08da74be506d x-ms-traffictypediagnostic: BN8PR15MB2884:EE_ x-fb-source: Internal x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 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:CY4PR15MB1781.namprd15.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(4636009)(136003)(366004)(376002)(346002)(396003)(39860400002)(186003)(38070700005)(4744005)(6512007)(66476007)(478600001)(91956017)(76116006)(64756008)(6486002)(66946007)(33656002)(66446008)(8676002)(66556008)(4326008)(5660300002)(71200400001)(8936002)(6506007)(38100700002)(2906002)(41300700001)(54906003)(6916009)(36756003)(2616005)(122000001)(316002)(86362001)(45980500001);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?bjJFMSsrZ3dMWjJNQ244ZWZwN1hSUUpoejJuT2luMmtZRHNONXc5aVhtVmEz?= =?utf-8?B?b3k3SVVYeGkvWDZ1ME15Z1ltMkx5T0hsK3JDenJnRm1YaHJyY0QwdC9ITEZH?= =?utf-8?B?VUdxNXFxTWtqU2dWeWlkQ1pESUdHRGxPeVhtUERHZG1qSkhuRkQzKy9iSm5R?= =?utf-8?B?dzFOMmQ2bkJ5WE0xYUErcTRFelp1bTgyamppUjkzNm5wc1Y4bGRDOXczckFO?= =?utf-8?B?K24xa1AxbUNObU54UHpLMjl3RCtTTVF0c2tIanJ5QXVZRk1uVHdvU0xhMzdZ?= =?utf-8?B?TmhvM0UxV05RTVg0WVJZYzdSWENHS3lxV0E4ZVcwNkZMaXJkY2FORlh2TW54?= =?utf-8?B?UzJlVU5lckVwVEFRalAwaldZckNyeEkzdEpoamY2RVJMOW5xcEZHNlFwM1Vk?= =?utf-8?B?TzU1eFBBbXkxVlphNkt2MHE2MldGdWFSM3lUblQrdGRwT1Vpd0F1ODlaai83?= =?utf-8?B?SGxqUmJIODh5RFZBbmU2WXNmYWpTOU4wNVAwWFhheFlrZ2FEOTg3MWNxQmJs?= =?utf-8?B?djNrVXlLeVo0eHErUk1wdDd6MWVXUUx2SXk1Y2pJWTM3QWd4QnNqQUlXV3Bw?= =?utf-8?B?Sjk1RERHWlQwOEFkWWlHSzc0N1hBZ2V3OW9pV29OeHBRc2lJelMwcDRDdHFl?= =?utf-8?B?L0R6WUlGZzVqQ2ZIbVg4ZW9CVU9XWHZsTTlaMTJWOFllSE1HTFowNUhVdmhL?= =?utf-8?B?WS9MSFdvMS9CL1paUFZhM01taWlCdTZTRVNtUUhZMXRUaS9HdmFFdzJsRy8v?= =?utf-8?B?aUd1K2lkQVJkb1kvcEs5NjZ6SGpzbzQ0eGxydGRvWU14aVFyS0IvT1pJMDNU?= =?utf-8?B?bGloMUVmWGcwc2xGaVUyZFluSG42aTVTU3FDd2xPSFd6cmtSRG91MU1JWXpF?= =?utf-8?B?ejYraGRNREZtaWN2NHdWOS91S012NWU2TXphblF6eHhLSDl1eldYcmFvT0tZ?= =?utf-8?B?cmNEQnVEVXdjWkRXSHpuTnIyM1A2eWhYN3pTUkY4b3MvanZQT1FUWnorNkdT?= =?utf-8?B?S3RmbDZFaHYwem9KalYzdzhwb29lQnJuTWRZMEcyWkZyWCtRc1NtUWVZdFo3?= =?utf-8?B?MVZ3YTNRQ0J0T3VwYkIvZ2dNNzlqZVRDZjduMjVQN0ZCTk9EZkI4R09nQ1lX?= =?utf-8?B?K2djNEJSNXhKc0U2eUFVZGxqRVFsamU1cHZIUjk1NzViNGkyN25GMEs0SmN2?= =?utf-8?B?OCtwSXp2ZWc0NDlaa1FGdmdTd2paRzVWa2J6T2VZSU1ZRjVrUlFZVE54Y1lk?= =?utf-8?B?RHljT05kT1orYzJ2eS9MRFRKMnJ3eGxSeXlITVkvbUk3TEVUeTFwcUx5SVg4?= =?utf-8?B?NjBZTjQ1OENTVFI0TTBwUlpPSHNneWR6L0UvSGpqRkJ5amVIZDZlZVFuUjhL?= =?utf-8?B?cVVyT2hjVjNZS0lNUnQ4SzZoSnplZXZHZm1kK0YwbVNaYmRncXBoTElNZ2JB?= =?utf-8?B?VXdPM2hVSnIyRU4yTUR6Z1NUN3Z5Q0RYcmFFOXNFSndoaHJ1VEtXenZXRkJl?= =?utf-8?B?Z1FkbUFGeEZ0TVhKZmpXQm81RnpQS2YzeFNCZXBSdTVJR1RiemxaMVpMaHdF?= =?utf-8?B?TitlckNPaU9GTVp3NjhwR3ZuZHZ0N2ZoUXYra21uYmR2bmJ3TTlkOXJpTzRH?= =?utf-8?B?Ynl4bkJ1Nk9wVHJCc28vWjBDd1FZaWIvbWU0dkZUYkViY285WktFeVI0WGxX?= =?utf-8?B?OHpRNm1sZjVzcis4WHRoOGgvLzBpcXozTWdTNEdSeXNrNjgxblZTTjZ2eURW?= =?utf-8?B?Rk9yTENPTk0zd0ZtNVFzeTU5ZjI3YldCbWl5dG5oWjF1U3MrQzdwa0RWbVlj?= =?utf-8?B?SkxVVHpjSW54TlRDSUQzRFhwYzRHRzZsQlhpYmVKOEtQNlZqRy91WXRXRkFl?= =?utf-8?B?Z3BSbDNmQ0hIMlIzdG9jWndIODVSRTNMc056djh2TDEvU2RkaUdJcnc5L2lF?= =?utf-8?B?OWtvUzA0NStyaWV5d2JoT2FGcHhLcHhWOUROWEJiaE1GNUhkblI2b2FCdGhY?= =?utf-8?B?QmcvbGx0S01lZ2J1YmRKZ0UwUFExb1R5ZGY4WDRNVmZkMEZuN3lQWitsMXhj?= =?utf-8?B?OG9YZWVHUnh0REJJNlJMQ3AyZUZQT3ZWdTVraUNYVVhkRGtCTzF3VzRENGpu?= =?utf-8?B?OWtJQkVKcVFnMFZXelN0ZnZraGdPTXQwaGRTRXJSZEl2SHR6UFBDOWtxZ090?= =?utf-8?B?Wmc9PQ==?= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: fb.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CY4PR15MB1781.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 34ee344d-68cc-4452-4bf2-08da74be506d X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Aug 2022 19:36:36.8138 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ahKBtzvzHx68Mcjd3LqASqyHNScPjug3KIWy7S0UXtjPBjF/x1CQLqXnX8sYoSpA X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR15MB2884 X-Proofpoint-ORIG-GUID: rTXoELUtESfJoDcWSru1MdHHeRYd3hqW X-Proofpoint-GUID: rTXoELUtESfJoDcWSru1MdHHeRYd3hqW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-02_14,2022-08-02_01,2022-06-22_01 ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1659468999; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=23kwr+UbwBY3Zez8HMpmbVqMYS5tAtB36ZGcJs2CWCw=; b=h1zqHIRwMUwpbPkTdw0bea1aFZVkssAzwZZW0VeqH0EI2UjyP3CXudVom9tVZGWiOxtMgC 5PYEIwSQmEZ73CBDfsCDcxkusXhqE2QoYmdAA1dQ7d8pW3ugQcLBWQviTn141ijj8OXTvg tFQgw6kSlKvhR2rKlzspqte+yMy4w60= ARC-Authentication-Results: i=2; imf16.hostedemail.com; dkim=pass header.d=fb.com header.s=facebook header.b=hDn6r76F; arc=pass ("microsoft.com:s=arcselector9901:i=1"); spf=pass (imf16.hostedemail.com: domain of "prvs=9213387f59=alexlzhu@fb.com" designates 67.231.153.30 as permitted sender) smtp.mailfrom="prvs=9213387f59=alexlzhu@fb.com"; dmarc=pass (policy=reject) header.from=fb.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1659468999; a=rsa-sha256; cv=pass; b=cg2+uOk0Av7o+bLRzQ0rh+l/Y7YiqNO1tdxjmhlvl1hY3dVl1T4D4z7OwIPCzp1How0abD DJO0JatzYm23lfDOW4f4gb3Ph2d6NtSNsiuJJKP6oFIk2m8F5G7rqe8rpb5DACfdmQvF9+ ZgkE2m1Fl5WVW/EzsvbHcQOKVQ2U23c= X-Rspam-User: X-Stat-Signature: bxx8ko3jup4ma6fhah3abyze7x47cbfc X-Rspamd-Queue-Id: 9C2FC18010C Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=fb.com header.s=facebook header.b=hDn6r76F; arc=pass ("microsoft.com:s=arcselector9901:i=1"); spf=pass (imf16.hostedemail.com: domain of "prvs=9213387f59=alexlzhu@fb.com" designates 67.231.153.30 as permitted sender) smtp.mailfrom="prvs=9213387f59=alexlzhu@fb.com"; dmarc=pass (policy=reject) header.from=fb.com X-Rspamd-Server: rspam08 X-HE-Tag: 1659468999-67461 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: DQo+IENvbW1pdCBkYmU2ZWM4MTU2NDEgKCJleHQyLzQsIHhmczogY2FsbCB0aHBfZ2V0X3VubWFw cGVkX2FyZWEoKSBmb3IgcG1kDQo+IG1hcHBpbmdzIikgYWRkcyB0aGUgY2FsbGJhY2sgZm9yIERB WCwgdGhhdCBidHJmcyBkb2VzIG5vdCBzdXBwb3J0IHNvIGl0DQo+IHdhcyBsZWZ0IG91dC4NCg0K Q29tbWl0IDE4NTRiYzZlMjQyMCAoIm1tL3JlYWRhaGVhZDogQWxpZ24gZmlsZSBtYXBwaW5ncyBm b3Igbm9uLURBWOKAnSkgcmVtb3ZlZCB0aGUgREFYIHJlcXVpcmVtZW50LiANCldlIHNob3VsZCBu b3cgYmUgYWJsZSB0byBjYWxsIHRocF9nZXRfdW5tYXBwZWRfYXJlYSgpIGZvciBidHJmcy4NCg0K SeKAmWxsIHNlbmQgb3V0IGEgdjMgd2l0aCB0aGUgc3ViamVjdCBhbmQgc2lnbiBvZmYgY29ycmVj dGVkLiBUaGFua3MhIA0KDQo=