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 12E0EC02184 for ; Tue, 14 Jan 2025 02:06:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 43BE16B0088; Mon, 13 Jan 2025 21:06:10 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 41C2E6B008A; Mon, 13 Jan 2025 21:06:10 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 28D1F6B008C; Mon, 13 Jan 2025 21:06:10 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 0A68E6B0088 for ; Mon, 13 Jan 2025 21:06:10 -0500 (EST) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id B6F19120593 for ; Tue, 14 Jan 2025 02:06:09 +0000 (UTC) X-FDA: 83004417258.01.8D8C3FB Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by imf01.hostedemail.com (Postfix) with ESMTP id 300804000E for ; Tue, 14 Jan 2025 02:06:06 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=FMxkSMZ+; spf=pass (imf01.hostedemail.com: domain of dan.j.williams@intel.com designates 192.198.163.17 as permitted sender) smtp.mailfrom=dan.j.williams@intel.com; dmarc=pass (policy=none) header.from=intel.com; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1736820366; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=avQmPXU3jxYBmhipmsCZPcIgW05rJBp072Vnqpg4L6M=; b=TlJLyqGl7FCr27rsE0N7wLclAKqJdiKSwnEll1yeiAOyQB4H/oyMcKkym4zp9YHUYGSCl4 /BmiYT125rbi92A1Afj93dp1vgbgpkMJ8MzJs779+VDWob61ORHCvPQlpKeqtDuRTZTsfu TjTkXo6yOcca++UHN8TWB2DWSaVkbIk= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1736820366; a=rsa-sha256; cv=fail; b=XKZyrcjnwKa+XPS4WttCqsrTEORtZCdW8ElAgEpomGRXxc6QPS2B1iil57jVYoUujQaj7R jkowgFGZzafveSTOnbhhnY62nGRhZv5bQnonwj5fM4aoMoEYGP/GZyHqFS08rhictE2jtQ Ftl02FqhpvdCFv58mtCjEAmGAg9cXJc= ARC-Authentication-Results: i=2; imf01.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=FMxkSMZ+; spf=pass (imf01.hostedemail.com: domain of dan.j.williams@intel.com designates 192.198.163.17 as permitted sender) smtp.mailfrom=dan.j.williams@intel.com; dmarc=pass (policy=none) header.from=intel.com; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}") DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1736820366; x=1768356366; h=date:from:to:cc:subject:message-id:references: in-reply-to:mime-version; bh=3mz+GUpdna4v37XcPOMQn09FpqEBnSIMzEp3ye8uJv8=; b=FMxkSMZ+OizoVEq+XJh538C0N4bHhQ9x70ddCvFH+MpRz6npcDorBRFv sXFldpva/SbFvLSnwAkD+5pKiEInJZ4r4WKSqmimZZY6GssvEYx9//gSB LzUKIiyKJsTqUAzeHpV5bgra6Vm3+N5cRWoIyjhpKI420bdrO5BjE2IkU Ec7NZfeHGbYip7L4obeTtiMeRBMnDx0aC7rgk+Y+WdWhKB+q48NHcF7xc +zXApxZBDFbiUoQ7W11/4gOcRefdwXtjwKitRKZ9QGUQAsnEvLg2SDxWu t46vuKx0zPj/A6Pf1r790EhkbhEQ+nXvHaNfCu2GN+uNM5tY0X6EL396g g==; X-CSE-ConnectionGUID: yQZXnl4kQMGtIlNvtuvTLg== X-CSE-MsgGUID: E91qFk1LT8CXRs/E0wYYeA== X-IronPort-AV: E=McAfee;i="6700,10204,11314"; a="37013559" X-IronPort-AV: E=Sophos;i="6.12,312,1728975600"; d="scan'208";a="37013559" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jan 2025 18:06:04 -0800 X-CSE-ConnectionGUID: YVBejp6dQbGuGU41OHDh3g== X-CSE-MsgGUID: SgxJxzTjR8e95tbghloXAg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="108718707" Received: from orsmsx601.amr.corp.intel.com ([10.22.229.14]) by fmviesa003.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 13 Jan 2025 18:06:03 -0800 Received: from orsmsx601.amr.corp.intel.com (10.22.229.14) by ORSMSX601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44; Mon, 13 Jan 2025 18:06:02 -0800 Received: from orsedg603.ED.cps.intel.com (10.7.248.4) by orsmsx601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44 via Frontend Transport; Mon, 13 Jan 2025 18:06:02 -0800 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (104.47.58.43) by edgegateway.intel.com (134.134.137.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.44; Mon, 13 Jan 2025 18:06:02 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=YhxvjcoWKHQQQ2AHDrtm6LvoBGtDKvYBuPg03aysbhtrD5ymdIO2Uym3REXI3zZVLki3PbXwguXnzKHzCDpbdFdhkCFt2JfnzF5vRKxbcdmNBYFVMM6hmtw4OUZA1IupQ47y2L9obggDeYsj0BNtWctcd1l4yvlhHPPInPDmgEmaRcQJQA1MH0MdExpn+IJBtqhXxdei+UKf04LG+Qz/mnZsCGIwmEoQQRnDdSRRqi65FqWZtp3SqWL0jU3Obga2FNHsmLLpOTGXnYooffRpfR4x4SZ0UGp8OqnPJiO2KWZuRgEEKlcpfVViaij20u624tmiAdm9sCw/Z3HdDkQNPg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=avQmPXU3jxYBmhipmsCZPcIgW05rJBp072Vnqpg4L6M=; b=NigzofrfqPDvFVDTue7Om6i0oGhnRghhkDNAOQRhvsNy1vXWkZUdxerS9uNsCpIXBxRLt6nZok49C7OPJaGLvLHsNjGaTOqA46bvcYcotE8OUxbpL7DFk/ASOzV8t3i5nrBNoexDmTsW/SzYlWv0ygyMZCa9RB61kqUrc6UH3cNbH1cbbUiMAcGwSyDAQQ6zH+fp7/hBtE3+labSUJ9ecsLQ6v5oPRu2FwF81oe40ffwR5PVr9T5zDTeJUUY9avfukGwamQiztLNRU1fVvMCa+9s5irIoVWWk0l+SuuJVuhWLx8h6G32T4GErG12sJ8Xd2ylWHnBYWvFH+fzCs5hDg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Received: from PH8PR11MB8107.namprd11.prod.outlook.com (2603:10b6:510:256::6) by DS7PR11MB7781.namprd11.prod.outlook.com (2603:10b6:8:e1::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8335.18; Tue, 14 Jan 2025 02:06:00 +0000 Received: from PH8PR11MB8107.namprd11.prod.outlook.com ([fe80::6b05:74cf:a304:ecd8]) by PH8PR11MB8107.namprd11.prod.outlook.com ([fe80::6b05:74cf:a304:ecd8%5]) with mapi id 15.20.8335.011; Tue, 14 Jan 2025 02:06:00 +0000 Date: Mon, 13 Jan 2025 18:05:56 -0800 From: Dan Williams To: Alistair Popple , , , CC: , Alistair Popple , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v6 17/26] memremap: Add is_devdax_page() and is_fsdax_page() helpers Message-ID: <6785c683ef691_20fa294dd@dwillia2-xfh.jf.intel.com.notmuch> References: <99041691148ed3ef92546aee0dc0cd78ff143ab1.1736488799.git-series.apopple@nvidia.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <99041691148ed3ef92546aee0dc0cd78ff143ab1.1736488799.git-series.apopple@nvidia.com> X-ClientProxiedBy: MW4PR02CA0021.namprd02.prod.outlook.com (2603:10b6:303:16d::31) To PH8PR11MB8107.namprd11.prod.outlook.com (2603:10b6:510:256::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH8PR11MB8107:EE_|DS7PR11MB7781:EE_ X-MS-Office365-Filtering-Correlation-Id: 4f7e530f-d557-48ef-e3a0-08dd343ffdf2 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?GeWsDIxTr9li6xhn2S5QL1t8HwwJ8i+I7FHTwNCOZV9XZFT6hw1D+2Gwg/iY?= =?us-ascii?Q?8ldVxedvkOCGqdnqfN5hAiHLpQAiBwwNgGnGo6+3gU88iuoLiwTDhmD3m13g?= =?us-ascii?Q?QH6fTGD/sr3kbMNPrHoQKeJgKpEOOfvYSXGw5qr1PrWgpzOgR1iWSRUmWqD9?= =?us-ascii?Q?HmS7WitsrUZ0TzhebQiGXVUNq34Gsp5NCJW2INaTf1a863N45I9KREIXJh3B?= =?us-ascii?Q?zbbDcWzKS7btrcVAggLAbDeF3h8qmhoirtyCGwEHURmwSvTkW0aIWqJgXPNQ?= =?us-ascii?Q?bC9e8BhcZG+laf5KgrSHap+9wmtSywF8t9mnwTEQZRQiZdws7BAfKngoDWyR?= =?us-ascii?Q?ABDiDCV1XclO603Psn0HKhJkZmXAM7D/gkNQNiRjHsAQHR+3Le1ZWif0AiST?= =?us-ascii?Q?EzXNOjs/a7oHeHIcPWCcy2HQpWAThHGmsf2l0vk9MijKuiOGw/myBo1TCCvB?= =?us-ascii?Q?khK4UexQ1eSE5IZ9ZEMmRYqlzNxruA7tckoVVagNEMCxLmp0g4JU4+NIk+H3?= =?us-ascii?Q?tTWXvMBehykjuirwA+tXWDfRiBepI6KxYBw01kKizC9BJ70hGisDSXG7FGo3?= =?us-ascii?Q?YYThmgOeayzxhrNQPsaq7UyIR/4jGn69x3QI8YVV5+/OngTxaQzFeN6nVuWg?= =?us-ascii?Q?tDcDLKVPTE713HU9/IzSO1m8Etz4hkNA312HqYejlkTchXY/KYJHZ6O1D+3M?= =?us-ascii?Q?PNss8KbnOaOY4nheMlnpu7ldUDN3/rBLfWoFSnObodgqsuzmzghHljNOz56y?= =?us-ascii?Q?s+zlIdzoyF5KMEzMidMvh1adP7avHL6HV6k3JhUzF8JIVXjPuJSosVB9pjKk?= =?us-ascii?Q?CvLjU1qZ3hHUtK/F5Xiv7vhETgHJYtDoguj+pv66PPJkitLwTSVT/CurcPsw?= =?us-ascii?Q?PdRkQShpb89Ctrp3fdEZiJsyXh+U8edm1aaNFcBJHzDufomGFk3Zs0KMwwTd?= =?us-ascii?Q?fA/F6n+/ekYUv98pwIFcFLxXHJuaMHKun7pswMwUq38iwZNxkc07/e+7HoAP?= =?us-ascii?Q?sjcRCU1u8ObeKUXdq+YTG/1n0GXuAuJ5Be/WmYZ+NuWRNNFkBxMtD3EA2cWI?= =?us-ascii?Q?mXaUY++RbXRsJ499mn8+Bic9zcKUrluZ/mwxOyWIbrz5p+GDKkX0BPrrNZ6q?= =?us-ascii?Q?26d3t9MloC4H37EmNV8EtciFkaHJVRCASWtDyzeAKojlBv8LhWZCMOa+wUVI?= =?us-ascii?Q?kJ1+rzFPZ8VZGyagTg3d4ZLfTC7/94/YqGLmicMEq+f4nm7HbtOJe7Qt1XdD?= =?us-ascii?Q?R3NnmD3qR4n1xU9ZYYgKs/qtH3pFq6W5iQAIJCxkOHRx3EpPeIvgKZa304+2?= =?us-ascii?Q?/Mie87/+D60rmvQVqMGsFf2VULHEHgxxc4egtPIY1Na/118K0zID0jq6acZ/?= =?us-ascii?Q?I1z1aZsiVbMOUrJzKGpzQM0/Z1Wo?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH8PR11MB8107.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(7416014)(376014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?GTPwsB+6P6UL6PfepUwwJS0kMAGRxQwKC4DXPKayYepRrHla5gDxiiz66cmC?= =?us-ascii?Q?IpKnGTrnpCObo52kEiz9RAEvOaGyvonlqUOzH4xb/7hK/R2H1HeTmw7HITbZ?= =?us-ascii?Q?bIUOhocPss/3XoX4dcomeC/0WNSf5UoEvCzJa06zRkkBp+jMawLSN2D+7YJt?= =?us-ascii?Q?7J1vYFA0xdJjh1ip/EpVec11TzJ9VGpEDzIpwmq68+hVn45lmjAsh2+hW7Pr?= =?us-ascii?Q?kOWVnR7MnpuNjApTJDsz3uLeXC4Xu1XwaWvE2T6UWPrNZuhmF4AzfXiPgll+?= =?us-ascii?Q?HoHbHY9X4kvAyJQPr+JsGvtN2peOmEFoZb5kXDtDiUhWT+tQ8b9WC02JS/Hf?= =?us-ascii?Q?4wvJy3/cMZxjBf8dba+ni2cA0ZWAc9V641iLijTMGlApxJMWbFaD+bmQWx7u?= =?us-ascii?Q?KhIHA9iGQY42GMJNME0GS4b10GLViZuTonxY7ga4SqDWy30H9laxRU8Of/dh?= =?us-ascii?Q?Q+tp5TyPqJxRzAmxWWTUTcQGh+1G4vqfbPfwpUF8AH7gSAyeuyx54s3eSq16?= =?us-ascii?Q?lNQFESxeLwYZPZMxuZJ2TY3mmKr4lhIjAmqaux1DDk37m0/L3rgvQd5EpEVF?= =?us-ascii?Q?FktciOC0WPWlgmaef6anSKwE6X+SLqhOwz2+MR9IpihrdZXCRGhlQ8Ziww9g?= =?us-ascii?Q?JwdIT1GxKHtlW734vLmgM2ierK4lNuYagdM92Jbjnph0RtJloJK1yEy/7+fY?= =?us-ascii?Q?6jlsiPzxOj+G7rB8p3aVpAca56drjT5Zcz0kt39zn6jJiC4eRn8r1T3Jx78V?= =?us-ascii?Q?P82mLqpyoqFcrgOWmLZuD/qewcMRUvr2/tVdIki8T/NkMnj+cUAAG1Msn5oJ?= =?us-ascii?Q?xf/KaTsiFQvu/ys39LWOhd8Xdq/qb8pXGCRax0RzTLfmx/1aZEe7gXQ0ji+I?= =?us-ascii?Q?oZIc4FoXRZFbQJGGTt45C/Y8vOv9w1625lUBHWf0nfytoCcjZoD1a8vxXDo4?= =?us-ascii?Q?nIpe0RD6fTIlh4WknHkOHxfl+iv/GQOmmBkxa4whKlU8IBgARxYhG8OX5Bip?= =?us-ascii?Q?ikwu1ZxJuiwRa+J/ysI3ETbGxBlX0wioF/673CwPrCEK+Liaj38smQQAe18+?= =?us-ascii?Q?MmA4GQKaPh/SUYyNFgB7CT4JeGNLw0wCKB2dmJ1p0N1MXZGK3drFr2rxrYOZ?= =?us-ascii?Q?izbHLaLQ62f3281J6GBhy0cPLrEkJCYRFnGUMn+BFCnSgSzbF/bFtM73h/Bt?= =?us-ascii?Q?VVjKCsYNzPIIemA6TKHAREcca/WAH/2oAk8yayprgT/iMnx2tji2O5T5yYNx?= =?us-ascii?Q?9a5IXGnhvXCs3PgEsGBlSQSUq3DOqgQG7cW/ItpXx1ULhsrj+S/SJn0j3+5Q?= =?us-ascii?Q?1R74ncoxrhiRaffqTcpDYI7COf9iO/AI6fUUT/ONhw6kGwVrlmII5CMLokaq?= =?us-ascii?Q?e+iNbejlYPM5QF2OCKU3SGH5TxWcHNg6mxDEmPys0/ZudeAOTDji/5AAmVbe?= =?us-ascii?Q?NMxxe6jy+LEMrYLU2n0ztYXUYuaeTluVt/8Woy43tIBo4JRetMuAJxuilLBw?= =?us-ascii?Q?YPFw//LRECqY90QPmOBvDO8bX8WFmgXJUm+6zqsKg2AsqYBhxPtZi5BLOaNB?= =?us-ascii?Q?Ls4O3Vc9/WcyejACit9wPgkUltNO+iqezwjAwAo5u+zL2acD/7yRh2wzfds2?= =?us-ascii?Q?uA=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 4f7e530f-d557-48ef-e3a0-08dd343ffdf2 X-MS-Exchange-CrossTenant-AuthSource: PH8PR11MB8107.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jan 2025 02:06:00.5985 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: nMIJErFOvQx2/jXSNhpSK/AGHgBP0In6iy/WqL0S8LlJDiipau+hGLvXwKD5EIMh9CsvOCQfKopbTcqbnope+g2I0cdBQjHKbGtS8Y9Fb5o= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR11MB7781 X-OriginatorOrg: intel.com X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 300804000E X-Stat-Signature: hiw7tr633wsfdqe8b8ekabwda3jhh9ha X-Rspam-User: X-HE-Tag: 1736820365-255881 X-HE-Meta: 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 BGTrdxcu 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 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: List-Subscribe: List-Unsubscribe: Alistair Popple wrote: > Add helpers to determine if a page or folio is a devdax or fsdax page > or folio. > > Signed-off-by: Alistair Popple > Acked-by: David Hildenbrand > > --- > > Changes for v5: > - Renamed is_device_dax_page() to is_devdax_page() for consistency. > --- > include/linux/memremap.h | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) Patch does what it says on the tin, but I am not a fan patches this tiny. Fold it in with the first user.