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 5EF36C433F5 for ; Sat, 16 Apr 2022 06:29:08 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C06686B0072; Sat, 16 Apr 2022 02:29:07 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BB6346B0073; Sat, 16 Apr 2022 02:29:07 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A2F3F6B0074; Sat, 16 Apr 2022 02:29:07 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.a.hostedemail.com [64.99.140.24]) by kanga.kvack.org (Postfix) with ESMTP id 93ABA6B0072 for ; Sat, 16 Apr 2022 02:29:07 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 649AB24C59 for ; Sat, 16 Apr 2022 06:29:07 +0000 (UTC) X-FDA: 79361764734.21.7204D58 Received: from FRA01-PR2-obe.outbound.protection.outlook.com (mail-eopbgr120087.outbound.protection.outlook.com [40.107.12.87]) by imf26.hostedemail.com (Postfix) with ESMTP id BA9C7140009 for ; Sat, 16 Apr 2022 06:29:06 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Weez7c2PchH1jfMbXi5t0idpo4ICjFg59pDLV6DeTLTpqn0YxbXa2Uq5rCGJp/vTWZfQVTItNqWWfHkU41JpcWcc5jW/KO5nt4PWUkKiDp/Q8mjVIAvImhnTbP3i/ZBUbyGQa/lJhsO4ViJrS8U2IM8x3CZ/KC1fBXoolwX2wkSVL6sgGbenVP+XyJ7cqFnFoOBcFSJ/rnYN5WxUBwoM4RHVot6sLbGPtM+yWBnj4IxQDlVHXyjl+NpLRtn2+2/6JdHuvJ3ccl28cuKbUIrjwMav/PnWJ8cMffXyvndv3yB1LtqyBvyRYaCpMVcDP/lAm3Cecuu1fZPM1PpvW1gOcw== 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=v7oNDYSHZGVHOV7n1UxvEnuu9Fx5HfDLx1/8SYyL744=; b=EME1Sv53ys4mbtScC+iJzjGWu6VnDk+eJE6Iv7k8FKIMeEqGCSch4GHyF6TKQiF6ehZzTy9PlfR6u89jUwVtdInVIXV1kzV+Naj31oAGhBRnheD/QvwNHQifvGCy1/j7PkdTcvMazewPBET8p3d2CwbGspFGkPI8MKmr60Sugce/Xobli5K8pfwe6WsRhqDMWhUv3K9IscwH/xr12r1dKF5nRrmdwQDAsTkeq6+sverQPEBnK1bkhlH0eXmtaFnF3qAeBIO5T+J+iSH02sf9dGD1vi89qzocB9g8r2sXWkJI6lg8nSalPuIjMWCRwsaJ/cLCalLOW08VDdi/QlRjPA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=csgroup.eu; dmarc=pass action=none header.from=csgroup.eu; dkim=pass header.d=csgroup.eu; arc=none Received: from MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:31::15) by PAZP264MB2397.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:1e4::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5164.20; Sat, 16 Apr 2022 06:29:04 +0000 Received: from MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::59c:ae33:63c1:cb1c]) by MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::59c:ae33:63c1:cb1c%8]) with mapi id 15.20.5164.020; Sat, 16 Apr 2022 06:29:04 +0000 From: Christophe Leroy To: Andrew Morton CC: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , Steve Capper , Will Deacon , Catalin Marinas , "stable@vger.kernel.org" Subject: Re: [PATCH v10] mm, hugetlbfs: Allow for "high" userspace addresses Thread-Topic: [PATCH v10] mm, hugetlbfs: Allow for "high" userspace addresses Thread-Index: AQHYUNd8NrewNF7+0Uq1IxdWLzIplqzxii0AgACKqgA= Date: Sat, 16 Apr 2022 06:29:04 +0000 Message-ID: References: <20220415151244.c29ad0c9c481dab0ade1022b@linux-foundation.org> In-Reply-To: <20220415151244.c29ad0c9c481dab0ade1022b@linux-foundation.org> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: f9d44ee5-7036-4f91-dd82-08da1f726720 x-ms-traffictypediagnostic: PAZP264MB2397:EE_ x-microsoft-antispam-prvs: 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:MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(5660300002)(508600001)(86362001)(6916009)(6506007)(66476007)(76116006)(66446008)(186003)(2616005)(64756008)(66574015)(31696002)(122000001)(38070700005)(38100700002)(71200400001)(4326008)(8676002)(66946007)(6512007)(91956017)(26005)(316002)(4744005)(2906002)(36756003)(8936002)(54906003)(44832011)(66556008)(31686004)(6486002)(43740500002)(45980500001);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?NnZrZUlFSkJNSVhyb0JoT1ovMDR2UllFdFNvMHFvdVlnbFRuNjQ2Z1dlNFBo?= =?utf-8?B?OGhpb09rajdMK2F2alFGN0w1MjhSc0orMFlxMHhrKzRYbUl3OUNaekhuTklo?= =?utf-8?B?RTQ2VzJreklzZ2dlVlNRa1BXbWErdmYrSDVzTGZGSnp1SVZWV1FFZEJJOWJi?= =?utf-8?B?ZGFBMmtJN0F0aUtVSUhSZ1hwNGN5T1dpUkNFVUYzV0ZIdGVpK3BsQjFXUENM?= =?utf-8?B?TFp0MWZpc3RQTGk3b3lEbUNtai95bnlPRkdrdzhTT0xqM29IMkxYbUk4K1NN?= =?utf-8?B?YkpFa1lvaFoxMWMwb002V3BjSFFKZzN3NnZGeXcxUWdDZU8rbmN4QVJlTEF1?= =?utf-8?B?T3ZRY0VLRit4SnArQjgwVGhoK3k3bjBmb0tNKzdLU1pGSkh2bHFWa1pSWUJB?= =?utf-8?B?Z29MV3RUQ2ZSbVVZaHVYQlRUaHR4ajhpSVRITmJKSWlnQUxqWjZ3SGMrMDFi?= =?utf-8?B?N3dzVjVCaFhPZDdxVVUwTWtJWGpVM2RPd0VmZGVlbEpjSkVmSHBJRk9mNTYr?= =?utf-8?B?WHBOaFBBZzY1YTBtNTVBTzJQbzlWejJHbU5oWmNXZWkwZk1LMDE0MjIycnNw?= =?utf-8?B?bms4VnlvaG9MOUszRis1R0xSYTF6VHlOUVZDczJ1N2hTMUVyamFCOTArN1Fh?= =?utf-8?B?NzcxUmdTZHV1VUVKSDdQTkIrdmN4R1BJOWpxd1kwTk5iTGN3eHpaUkkrbWhl?= =?utf-8?B?NDhjeFByRWRaaGxmSHVySVdlRmVnYU9Mb2l4ZnlBdWYvNHgxeElkdnYrdUlO?= =?utf-8?B?bFc3VTN4OVNwaCtZY2EyTzhLNTI5NkJpQ2pqbHJubEUrY0NFbzJYUlY4V1ZF?= =?utf-8?B?RFk0NDV4U1VLVmFseDNaUkpnb05EaWR5WW4xZUphZFh0bkNXQ0MyWndkZ3VT?= =?utf-8?B?OTZDcngvK3o0M0VKT1R6REppTW1Tdk4vU2NSeVQxeWVpeGhmMG9pZ0NhMyty?= =?utf-8?B?Mk1wOTRCVVBHNFdoaDZldlJMdi9RVjMvUnQrY25pMWIxZDRoM21KSmwwdzUx?= =?utf-8?B?M0V3YzR2a29EWEZOanRrZ1F6VzFKRmQ3bTVwRmNkQklxK0ViWUV0Y2JRdmZn?= =?utf-8?B?NGZTVk9PU0h0allzSXk0dHFMaHJsa3ZLS0lFbGFObEJXVHdJVlZmajY3WU5N?= =?utf-8?B?SEpXT25Qa2hZaStQZFhraHFNMmkzbXpSZlhIbWlFQ2wwV21oTjhVSmJPRi9M?= =?utf-8?B?TUJPY3U3UVhYTjhkTjEvQ1E5M1RpdnlKc2lpdUV0S0FiY05hak9rZkw5MzBx?= =?utf-8?B?RCtUVmdIZDd4QWEvS2k1TzFrMEFlZzUya1gvOHRJNWxiRU9aNzZiVmNQRXJz?= =?utf-8?B?RFUzcnVlcS9IWk9PVVp4cDByTnFFVkY2bHB6NVFKWUQ4cWJvbXZyNE1udG9K?= =?utf-8?B?WkxSeFdLeldQcSt6SjZBdW9jRnV5Umh1T2J4YzloTFUzYlp6NGRrc2xkZSt1?= =?utf-8?B?REIxa3R3ZTZ0NCtrMTd1VXhSWjZpRldQMk9odWtQODhiSFcvMXlNTW1UZEo1?= =?utf-8?B?YkNRWmhmQkVIc3dvYjAvVkV3Vm5wMUlCbDVQMytKWk1UdW43UzBrdHhyYkhV?= =?utf-8?B?WGcyT1ZGRlJzYmQ2SzJHZldRUWZwUEtwMW1XZDRXb0FLQWhPZXpsTGZPSzh4?= =?utf-8?B?dlVGYXVCMUxiblpOQU9JYmVjNGNNRnFGakxyYklkbE9vRHErVXVCS1czcEk2?= =?utf-8?B?ZHpEc3ZOQ0pkbnNvYnVGamlFQ3Z5NTB3UWVsK0pKZHozMzFWRlVnME1jQlBP?= =?utf-8?B?ckZBZzVmNC9pTW5WSHlyejdmcHZDVk5mcE5tMnFkY0pzVWxaTzczZXZvTlpo?= =?utf-8?B?d1VBbVJSUVVJOGk3TW9VWTNQQWZERVJQT2FTNUlSenNBa1VrWmltaVo1a1BE?= =?utf-8?B?bjV0djIrTmh3RzdSSjJpTVFjOERqbjYzazVOSVcyL2xleWw5VXpYZTJZNVB6?= =?utf-8?B?OEh0a1BCdU94V3FXMFZDUldCR3pYNUpzU2l1UWcyTm9NMzZyaVJqMldkczY4?= =?utf-8?B?ckJxbWF6UjU3M095SVVUNG1iek5jek5JSjlUUWRRUTdIblc2TGtTTHBwY1NZ?= =?utf-8?B?ZmFKT3NvK1E0dEVyTmd2Wi95Ykt2aUJvV2tWN3hRaEdRaEVtZGhWU0hreUdr?= =?utf-8?B?Vnpjd0dibzl1SGtvSHBjcFVTcXB1a0hBZlNtNnE1UjFFQ3RnZXpxSUZ4Z2g5?= =?utf-8?B?KzllcHQ2emtjWmJEblc5L2szMk4zaHlUL01UVkJPUHY5U2NnRVIvM25jL3o2?= =?utf-8?B?bkdLL0h2Yi9RN0cxOHdJL2dVOEpLT1pHOUVxUGhZdTBGZ1R4bXBoU0VENGpl?= =?utf-8?B?TU1zMnFWYVlIdzFvQ0ZPbU5OaTl4TVord2luYWNKeHNwUVhlbnhoTWtTRGU1?= =?utf-8?Q?5abkk30b1s6kazqfex5hR4G26oIm3MolvKyma?= Content-Type: text/plain; charset="utf-8" Content-ID: <9CCCA0658C169B4392DF23D0771A1A1B@FRAP264.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: csgroup.eu X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: f9d44ee5-7036-4f91-dd82-08da1f726720 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Apr 2022 06:29:04.2192 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9914def7-b676-4fda-8815-5d49fb3b45c8 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 3MSEuHIEiMdjLAgMFtkz+jvgOz913OWQF/Vy6CuNQMCv1OAJalzvACraWVDHNjIX2Lw2gFsZUpnznRqtZHoxGHvNnc1eg+uVh5QZ5pGnJCM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAZP264MB2397 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: BA9C7140009 X-Stat-Signature: 3k7pr19ueeh4yzq3xzgzf56eafu3p58m Authentication-Results: imf26.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf26.hostedemail.com: domain of christophe.leroy@csgroup.eu designates 40.107.12.87 as permitted sender) smtp.mailfrom=christophe.leroy@csgroup.eu X-Rspam-User: X-HE-Tag: 1650090546-672992 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000044, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: DQoNCkxlIDE2LzA0LzIwMjIgw6AgMDA6MTIsIEFuZHJldyBNb3J0b24gYSDDqWNyaXTCoDoNCj4g T24gRnJpLCAxNSBBcHIgMjAyMiAxNjo0NToxMyArMDIwMCBDaHJpc3RvcGhlIExlcm95IDxjaHJp c3RvcGhlLmxlcm95QGNzZ3JvdXAuZXU+IHdyb3RlOg0KPiANCj4+IFRoaXMgaXMgYSBmaXggZm9y IGNvbW1pdCBmNjc5NTA1M2RhYzggKCJtbTogbW1hcDogQWxsb3cgZm9yICJoaWdoIg0KPj4gdXNl cnNwYWNlIGFkZHJlc3NlcyIpIGZvciBodWdldGxiLg0KPiANCj4gU28gdGhlICJodWdldGxiZnMi IGluIHRoZSBTdWJqZWN0OiBpcyBhIHRweW8/DQoNClRoaXMgcGF0Y2ggbW9kaWZpZXMgZnMvaHVn ZXRsYmZzL2lub2RlLmMgLCBoZW5jZSB0aGUgImh1Z2V0bGJmcyIgaW4gdGhlIA0KU3ViamVjdC4N Cg0KQW0gSSBkb2luZyBpdCB3cm9uZyA/DQoNCkNocmlzdG9waGU=