From nobody Sun Dec 14 11:16:13 2025 Received: from PH8PR06CU001.outbound.protection.outlook.com (mail-westus3azon11012000.outbound.protection.outlook.com [40.107.209.0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C48D8287263; Sat, 13 Dec 2025 04:47:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.209.0 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765601251; cv=fail; b=JsjlGpyVQ4iXaWpZM0FeFSdr2O9q5B774IHXNQUSKwStcRNXKfEHPDUG4nf48W/JTAkJApyAzUnOKnZ5yyWlHCd17eXEKZvrB29AuEyd2PCxR5VT/QOxYnUUec4n7sGBcV9MBvJ2MvecgW9FzKBaqa5L7NnUjlR0wPvGLqWq/go= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765601251; c=relaxed/simple; bh=OykvN3WVot5YOHuMxy9/W6f3FTTD8MGg/f7XDgP/H3M=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Zli0gl00HIV1B/ApDJ23mTxiJEVzgPk0oiGb9FePn597ZNYtg3XglsZwFxgt/CpHvgoZWWfcCKj0jR4Vi3Oj56KWG4nId91zavXDQvlmPnO3IgpqndWuNoHd/XlLHtcZDmXLIb7nV3GYh1uijSvYllpQjQYe9ePPoZHPfxBdLVE= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=nhbKvPhY; arc=fail smtp.client-ip=40.107.209.0 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="nhbKvPhY" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=IMwECVDoKIbOm+ZnaqQYIT8Wlc2Wz+c+I0+C/aCiCyvtydaMzxDZBcMQdAx70IATTu/syMquJpmh2tO2RzAylW8ZpJjSwjikBqw1j+3IJglpmKoVwx56TbGKKXdGrKsCwUtsOsjd5AQViHZoZEy3n50QpZfpW8t9n6BxuY3NZ3jGgcYA1ner93MAiXesQxQMT1I70PqUurpmuscwWgKjXmifOD8cxbdD3f8/JDXmDE+mbUI942Rl1y/tsAcgkZyv2JINMHKYkREBMms4xXZP/hMSOFdH7Vfh0d76nZkuaHeXQNJXaDbwnBI1wxgM6AkmUpnCyouQQI9UL2iqXdQfQg== 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=P+9X97v8oLGLYonIialThNeDaSCMrIwHdgiUJqYKE3k=; b=EMn2rdquEdXwhPojWVn5hcL8ra4l+xRTE8BHjbq+lwIendrmsE6/EXckDuNsXFQRLwz3N2CfFnWU+7/nQCIi+zXpIp9nZ1IDfQtnwA4NlnpkfZqLLGNdIpCK8IO5jKPsPdZ95WVpAKMUhpDRXZkWzP4BMslY3TrJE6N/15b0t0OJSUCI5Ad2smLr7PA5976O7HxvUB9ioCBk9PXN+RzFZ1Sp0nvnEwjdtlOArLzUHIhTyny0QCukWuTEQ9sCVIZkDD1mbdaEgj6xMfvZhx8UzGYqNiNg44Oj8Xip0/XT7ArDCIJvX7QzBorVwWfWeTa0JQ81+tKJ9Kj75z6GtlRcEQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.118.232) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=P+9X97v8oLGLYonIialThNeDaSCMrIwHdgiUJqYKE3k=; b=nhbKvPhY3zZbmancTciemnBMGBAza5c7pKc0j6eifTa2WP8qU8naikMHyhtpd18m5Sfao2w7ewX+8acr/wJttUcGCa34bDu9skMM4VabRRi7f8fcxRlLNGbLlAx+LK03BM3Qq6e+cN4yYYO5AeM5xdUsfVp1Fb4DnjINLXCNiixlizKrrI7LDHeLZ0ZEmtlgTJcyUZoXrKsUL5h41cLLIISIf2oCo6WOvwF1BResx1evifK0O8sxI9fKwrpDE0glNGevHfaYd0mGZTnilKr4pyDn+Hg0niskKQ55ll1XsiyKwFOc7Q+khXwF87a8Av6KJSi78j8cj7PNvfJ9AzxGOA== Received: from SJ2PR07CA0001.namprd07.prod.outlook.com (2603:10b6:a03:505::11) by MN2PR12MB4270.namprd12.prod.outlook.com (2603:10b6:208:1d9::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9412.12; Sat, 13 Dec 2025 04:47:19 +0000 Received: from CO1PEPF000066E9.namprd05.prod.outlook.com (2603:10b6:a03:505:cafe::3b) by SJ2PR07CA0001.outlook.office365.com (2603:10b6:a03:505::11) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9412.11 via Frontend Transport; Sat, 13 Dec 2025 04:47:16 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.118.232) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.118.232 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.232; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.118.232) by CO1PEPF000066E9.mail.protection.outlook.com (10.167.249.11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9412.4 via Frontend Transport; Sat, 13 Dec 2025 04:47:19 +0000 Received: from drhqmail201.nvidia.com (10.126.190.180) by mail.nvidia.com (10.127.129.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Fri, 12 Dec 2025 20:47:10 -0800 Received: from drhqmail202.nvidia.com (10.126.190.181) by drhqmail201.nvidia.com (10.126.190.180) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Fri, 12 Dec 2025 20:47:09 -0800 Received: from localhost.nvidia.com (10.127.8.12) by mail.nvidia.com (10.126.190.181) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Fri, 12 Dec 2025 20:47:09 -0800 From: To: , , , , , , , , , CC: , , , , , , , Subject: [PATCH v2 2/3] mm: add stubs for PFNMAP memory failure registration functions Date: Sat, 13 Dec 2025 04:47:07 +0000 Message-ID: <20251213044708.3610-3-ankita@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251213044708.3610-1-ankita@nvidia.com> References: <20251213044708.3610-1-ankita@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000066E9:EE_|MN2PR12MB4270:EE_ X-MS-Office365-Filtering-Correlation-Id: f9f51cf5-446f-48c9-4437-08de3a02b2ab X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|1800799024|36860700013|921020; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?48KvNHV7ZU/jNiiuZMtW8FpeAXWbAg+8x4TqSVncfpjMVn/bay7eqXL+oDBL?= =?us-ascii?Q?LvGdr76BCU3GrIzXOwBVEOq92WHLVo78xK/IaCnPkLEzXTLyXGsxlHXueuK+?= =?us-ascii?Q?08TYA5AuYEUync70SR6oQQHp0E2MGtCCoakxq4atov7I9RfNQgLYqeJAlcEZ?= =?us-ascii?Q?UqgP4yQtY+UwKPqhioYOSEyze6Rx/jiI6S567ziB1YRcThKwnw7R48abXHha?= =?us-ascii?Q?iclcwYk8syoboEW3fgQ2j2G/6LCI7nh0P1a/9d+/FJlIZNWU9rkamzjHBcpV?= =?us-ascii?Q?lwJ/hz7ou7Hu3zYpFlko4DCy8Z2fzjEJC1FGCooveEcpPMTCHW+PvhRYhKGR?= =?us-ascii?Q?GgjMJopf9Nkewm1Ve2b2oskqqY6x2hH5DeziDMrtjeQlZ1tr/W4NuChlj+3H?= =?us-ascii?Q?Bb5FLpqZR93ykMSwbMNt3J6SVf8anmVKbS7F45J4ZXaVK5ugyQOzJGBozmW4?= =?us-ascii?Q?Cp5KJRHosGSWAe4KQnykOfyba2eXi8AIxGrR3NOAlXp5Bs8dGhMcuF/2rTHx?= =?us-ascii?Q?HEMe7SsMRaZpCQrau+hwm7SJNL1/O+HOnzqlqtIoToaMBYIWy75/lxNptTh0?= =?us-ascii?Q?GAVq9vMJr+VfTgEGfISztZl917fNmrGlXS+Tmorw3/ofxPn6gbdvtWsfpLyZ?= =?us-ascii?Q?+QsvO3NEJGNoVwk36Jjtz+NR2rZe3CQ/0OWT4Z2jgZnVfeEEq1htNSKA0HJg?= =?us-ascii?Q?jIiLgU5s00UT3hiUAQhvdEtAqFX7ElgE277ZT29GqrzFjOLUwBontOuJ5ZJ3?= =?us-ascii?Q?O5btG5sZjCjsJGAEfbtgCQXg0CsgdrnTvLOeIX0dm8IKvKj6BduWhTK1fdtA?= =?us-ascii?Q?fgOFycn2J3Ftp8ixtbQQ4Cvp6hq+S6KUoqFluKw1bFWhe2dFLmo1ocU06BF3?= =?us-ascii?Q?Slxu+aSnO10bIQvhebyyxJNKdro4OElmGNbtwEeFI0Gr04kFvhYP8isa9oWX?= =?us-ascii?Q?HzxIzkXIEgTpXI4AjM9PaXc2isG4nTMo9NtDboWPiypww9IxCNTzfBgGA5Qb?= =?us-ascii?Q?yPRQuI8MV4tPkYnJkCwFvhrQKNv1qA54aESgX/HO+yygsnwwPKMIbcn3+Cr3?= =?us-ascii?Q?MkxrZtkJeAnIXWQDM7BaxLRQX66vqOEzrg29eSFe9zfzN1AmsYgDK1rB6PJd?= =?us-ascii?Q?/vgjOvBWtOa0X40Q5LIcGGXfc5uJ9vfTqkAIplHEbHhkIWknBmMk9jKny3Vf?= =?us-ascii?Q?2uJvZo05uYJhjd0tP03ZXFcmCiGp1w4TqxrcXhSmKqQSuA0z9r/irU8Z/RFF?= =?us-ascii?Q?cJ+vyLEb+3mH+NcxMgykYmIxQ31vMEp0OWRfW5ANHvev3+bWNjiukX6SR8sK?= =?us-ascii?Q?JVawmFfyDJ/HxKTpSGbIEmWbbM5e0MEoNuN8JbmsuKVn5BqdxHLv2hUwVdRM?= =?us-ascii?Q?1Qbp6UMiB2lBJeAtOTnlswQ4zS3IW/MNcoUXb3OaLCj9YeK3skkPNCzRaSGA?= =?us-ascii?Q?IUoCvYLZGKxdN+Z70bz0O5pmw6BEO8uHTB4xzX62teJr4l2EyMHJoZzhuoXQ?= =?us-ascii?Q?TSQ04T6gzMNsjd5jtKdGbZqztiTj4ZECJuugyGNANS/+HYkuQNqckxT8ODtJ?= =?us-ascii?Q?nuM6sJw5RACJkgiQ1JW7/vdTV0cGUniK6+oSi/Pv?= X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(82310400026)(1800799024)(36860700013)(921020);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Dec 2025 04:47:19.4222 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f9f51cf5-446f-48c9-4437-08de3a02b2ab X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000066E9.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4270 Content-Type: text/plain; charset="utf-8" From: Ankit Agrawal Add stubs to address CONFIG_MEMORY_FAILURE disabled. Suggested-by: Alex Williamson Signed-off-by: Ankit Agrawal --- include/linux/memory-failure.h | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/include/linux/memory-failure.h b/include/linux/memory-failure.h index 7b5e11cf905f..d333dcdbeae7 100644 --- a/include/linux/memory-failure.h +++ b/include/linux/memory-failure.h @@ -4,8 +4,6 @@ =20 #include =20 -struct pfn_address_space; - struct pfn_address_space { struct interval_tree_node node; struct address_space *mapping; @@ -13,7 +11,18 @@ struct pfn_address_space { unsigned long pfn, pgoff_t *pgoff); }; =20 +#ifdef CONFIG_MEMORY_FAILURE int register_pfn_address_space(struct pfn_address_space *pfn_space); void unregister_pfn_address_space(struct pfn_address_space *pfn_space); +#else +static inline int register_pfn_address_space(struct pfn_address_space *pfn= _space) +{ + return -EOPNOTSUPP; +} + +static inline void unregister_pfn_address_space(struct pfn_address_space *= pfn_space) +{ +} +#endif /* CONFIG_MEMORY_FAILURE */ =20 #endif /* _LINUX_MEMORY_FAILURE_H */ --=20 2.34.1