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 6829DCE7D10 for ; Tue, 1 Oct 2024 11:09:26 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C501B28007D; Tue, 1 Oct 2024 07:09:25 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BBB89280068; Tue, 1 Oct 2024 07:09:25 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9691128007D; Tue, 1 Oct 2024 07:09:25 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 70638280068 for ; Tue, 1 Oct 2024 07:09:25 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id C49F712101D for ; Tue, 1 Oct 2024 11:09:24 +0000 (UTC) X-FDA: 82624762248.06.AD0DED4 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf22.hostedemail.com (Postfix) with ESMTP id 6BD47C0015 for ; Tue, 1 Oct 2024 11:09:21 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=bN+Zt09C; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=DgDQE3Il; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf22.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1727780834; 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=TVRWQNTq0V8PO7lWwJsC5Bxc/FCikuid1VbWzAMuCL0=; b=JHS3QdbOA6XLJr5dHDy4BU/IIY6Qb1/exeSkc3bg1iHWqiKERYKKKO782JnDFOFbRErI9/ UEnESZg6FEwkLIiMvFYIyqyToZyl11Q2oAf9P1pZ6GxGd0iiAmgDXYBev1C9+DI5BpLphJ 2UA+va9LmJ4IrcSF6ud4aYyN8vV0XRc= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1727780834; a=rsa-sha256; cv=pass; b=xX/K4nj5mbVN7E4D+3GjiEMwKYjLqaZfY/N/rTYP79xLX3jqOJB8qjazu3e/pYkJIHI+fA qzRpwMDiUvmTGiVX+0wCdkr4RkSMy0qAMG/Ee9dXF1/GXBa40CrB71wv3LHE3AgLbPe/XU NIi+tzjaxkHl6uF0WtT2XkzEGoZY8zE= ARC-Authentication-Results: i=2; imf22.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=bN+Zt09C; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=DgDQE3Il; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf22.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com Received: from pps.filterd (m0246617.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4911twi9029515; Tue, 1 Oct 2024 11:09:19 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h= date:from:to:cc:subject:message-id:references:content-type :in-reply-to:mime-version; s=corp-2023-11-20; bh=TVRWQNTq0V8PO7l WwJsC5Bxc/FCikuid1VbWzAMuCL0=; b=bN+Zt09Chv7y+lmq0DiQtod38bxX+B6 JFy73P34j2rgT5T/exqvF+TtT++F4PWnhr4D7SduFAKa0/GwvxN9Va617gqppY8p 1wXKOrfAN9IYMiPoz84iQLx6r6zDmYu5D8rMp1yqFktes93SGfqgLM0oEvrd59mS s0Qq5+Em5rNNUmvf4Z4C2LhsG+FMCfLjopSZEL3FtXe/nRnga5/ermMKc/yyq79l 9ljgRgblwZJAgizi8lTgSnSmQwlS0hRPhnk3Y3BvQ4MfXj6rNjqSgORQUuTFiXDx +kq+agYTgDdEFXo3PLYkkxuKMWEGPZis3LOByxAW+zH1a5P57rndURQ== Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 41xabtnw32-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 01 Oct 2024 11:09:19 +0000 (GMT) Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 491ApWQq017512; Tue, 1 Oct 2024 11:09:18 GMT Received: from nam12-dm6-obe.outbound.protection.outlook.com (mail-dm6nam12lp2172.outbound.protection.outlook.com [104.47.59.172]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 41x887btpc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 01 Oct 2024 11:09:18 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=MOvtwu3IGW00za3s1N+LY4jqX5EM5RyEdOXUk/GWGJ0sDcv+Loy7EGh/7RyNP6Nr9sSIzdNy/Bo5ZpEtLuy7N/tF47d2FlIX3YARUfE5J47ku9asztgMtqGg9mByrFY0b4u+6CAKRHPecp2w2A/v46KpPBoLkhYBJ25TYWvZnR6kEUvOYqefRWa4mdUxSxlaSkbny6t5WLSn96Ul+5NBbHrefDwJO+X68S+0V9GsOKfIv8HekLdDDOe2uYBkCjO2MbhWSACXhLW5ChScOzRySwRrXEOO9i0Iz6DBnNdqvlW7NOrgJWK2UATVLitCe8PzAuxII9xzOV5ku3ImsFRZbQ== 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=TVRWQNTq0V8PO7lWwJsC5Bxc/FCikuid1VbWzAMuCL0=; b=s0cL/D/HhCJO1uAES+mbeCk0aohcKonrO3m+BfGQee5qOu61ikLXBARZ2b0Jee2GK4yfvrXNaO0TnQaT3X2IqpKfvQjtanRxvuNgT9NTitOEaYFsEsLsdYSAmChmwe3E9StvmKAq5FCUzqRwOU8FFuLGwmQ2ZAWZsQZGDoAaM9ifN7x1NnivrnFymWX/zM7Zm24CVEnlf8o7LLG7ibZq8HSQKf/I0SmjUlu9lNuN4jJoOV4T95mv2CvbpsAyK5YUC0yQ+QZ2TizLAa/IHOWpXmyrRfhIwQtv2M3GQrDYOTMkV3xVAjhs58rr7qJnN1aW3xCyQJ76pBGo1mppSAY9jw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=TVRWQNTq0V8PO7lWwJsC5Bxc/FCikuid1VbWzAMuCL0=; b=DgDQE3IlJM8bCe7cotoMfAzBUhTuoraSj/rpcBneX1N3mU5TluhijHX/tbrvJdHut3hRS7Cz3maXayL85GA8kbDibvKlI5fKJah4Pdss3j8Chx1+h6uKvOaZm3LgG4KJuqXE+MWxiSFDnmfTXsUq5MlPcF17divO9/A4tik+XHg= Received: from SJ0PR10MB5613.namprd10.prod.outlook.com (2603:10b6:a03:3d0::5) by MW5PR10MB5826.namprd10.prod.outlook.com (2603:10b6:303:19b::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8026.13; Tue, 1 Oct 2024 11:09:15 +0000 Received: from SJ0PR10MB5613.namprd10.prod.outlook.com ([fe80::4239:cf6f:9caa:940e]) by SJ0PR10MB5613.namprd10.prod.outlook.com ([fe80::4239:cf6f:9caa:940e%5]) with mapi id 15.20.8026.014; Tue, 1 Oct 2024 11:09:15 +0000 Date: Tue, 1 Oct 2024 12:09:11 +0100 From: Lorenzo Stoakes To: chenqiwu Cc: Andrew Morton , Liam.Howlett@oracle.com, vbabka@suse.cz, linux-mm@kvack.org Subject: Re: [PATCH] mm: move get_vma_name() from procfs to mm tree Message-ID: References: <20240929093212.40449-1-qiwu.chen@transsion.com> <20240930110526.b0743a186b32c781cab0a9cd@linux-foundation.org> <20241001105525.GA5735@rlk> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241001105525.GA5735@rlk> X-ClientProxiedBy: LO4P265CA0003.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:2ad::6) To SJ0PR10MB5613.namprd10.prod.outlook.com (2603:10b6:a03:3d0::5) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ0PR10MB5613:EE_|MW5PR10MB5826:EE_ X-MS-Office365-Filtering-Correlation-Id: 5256fd3c-5aab-4c6b-3cc7-08dce2097cb6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?oq87jJe1nAJd6AhSEPbGndL4PlaR2v0+ky+Nl4OkPLA6Xs57LbR5jTqwziD7?= =?us-ascii?Q?iOzObKyCXTqCG6oK260B+lr0LsuSKLJf294pDJN6oZkkJHSNibQIvY2EZtYG?= =?us-ascii?Q?w4dPGdURJZunMLPaoBxgOJS4KWGZTJ9BDQ6AQSoyN+X8yg8yVVWA1otdb7mu?= =?us-ascii?Q?VRFIYvl0o6EGXNv8RE9iOhNm6rkVlCyOew80J+HX1lBNmctHJkDt3/NcKcOp?= =?us-ascii?Q?vx+8FJQV0qfPGEPw0KAbyJUUFrA0cbikQIIy6o0XES6TPoXxeVDyF8tA2fEa?= =?us-ascii?Q?UbTH05SZRaJoRZB40plq8PqtQiPFmqvtSULFocwGYYSNkPPsrTFNp0CzkDrP?= =?us-ascii?Q?8FihvZJPbmUrLulF1oPVqE1V737v736OYgnifYvSee6yfoh4j9DpqdLr1QxI?= =?us-ascii?Q?1BFzVpuNzjs4iao4Pc7mhzZI9TPPfp1Q1yBt5jAwn//JMDZTTdI5EO3JHFOJ?= =?us-ascii?Q?gMyESW8I4vMTzJd50d67+sFMMyDC+ZDBPst1Uw6TZ2NEMae4vcY7zXyVSwWi?= =?us-ascii?Q?7dzxnKPcf50qlQKVJmU1ESBmNgarZoo3ghWt9Rtcxdx1+LpwNcQBO8GMtFHk?= =?us-ascii?Q?5dnhb/ZT6fy4CrNfORuLvGi2R11h+hnY1E4UxTJVkD6h4miFN487cZUQqBNw?= =?us-ascii?Q?kqqHAQSUK5txNWPf5I+LhIRFfd+JUDAeMCiwZTEmcxEWYqkVt0pOxKh2t8Ci?= =?us-ascii?Q?cUwuHme3zCaTV6NKMgnN9fHvSVjfTmQlMc+JuhMJtxD80dE48lnpm76XfrLe?= =?us-ascii?Q?WQy3RcHOwkTDVp8N7ubyhA9p49zzZaW+mdXzeAn924YQc6Lx+yc7GJKSar72?= =?us-ascii?Q?1uOLD3pz0CgyOUd8SGx36Ma7vAPWtQUtEWh2V/aiCqUzrqafP2tTWFnO5ed9?= =?us-ascii?Q?/5u6OvqAm4AllL2Mkmg2Rcum4rrqX8Mixms46HMuZdLQIs8X09QL1e9oRTSs?= =?us-ascii?Q?KTuD0SJJK2n4auIAxFBfbl4i8u+f64w848gWt813TUy9YPs+JlKZjLz7wakf?= =?us-ascii?Q?Iqrqf3DRvIpLHxy+1j/dIQw1RYzothusSrw2Ex4VTVCtWx7JSXCXv+OYWl/d?= =?us-ascii?Q?YqAL+0wIWoRGnKY6azXOG1oisLkfhmG/wAm+ZRtAWBxkUDBTjotD3QSyrQnG?= =?us-ascii?Q?8V3qGntRV09rejrLLoM2B2N9HznMUx7mCU4iX26tszxg1DCcGO+RR/SO75eE?= =?us-ascii?Q?Hyhy/Ss/RXAhb3toskMx6fZHdOK7hJ1wS6cxkUr9bcNSl0c/jROlh6RXHcf/?= =?us-ascii?Q?VW73kKiWn388NRbXRF/qI2efKFVQ9tSXfaZ127kTUg=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ0PR10MB5613.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(376014)(1800799024);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?0klhZi3tvfdrHZ7tVQWUOTCgpvUmfPHQrJomB4obENuD8FeSNihV4w5PnaD1?= =?us-ascii?Q?C+V9Nj1RCDteD+Sk2DWeJJzr3FSz4WKgUO6FjLqd3Zk8kZ6uLRhS5SjcyPey?= =?us-ascii?Q?cCs7J5o+H2a9GZh1bQ1D0IthL+GdhTo/G5scm9t3LWadimf35gFXMvz6Sgh6?= =?us-ascii?Q?84BIrMdrGzoveKoPr7FYL26+jmSWt+nA3d8AkViiFhG3qUYuBwfRbkXVDt9U?= =?us-ascii?Q?1bKausynbZt1cH2LVFqk/JQjGc2WnpYGQS2HPAzB2qrBbTNvGMPlbgEEC6ne?= =?us-ascii?Q?V3c+G/LCkPb3NVcZyO9YvJ+Ga+jhZfJwqvUWIIipcTt5TWWtegkXR9raqNgm?= =?us-ascii?Q?8AcNNiOFHxpry8QeV9FMjxx6mo8aTzynrF91JX6RB6QAFJQC84GCQfhhp56t?= =?us-ascii?Q?zVgZ2+mZ1rBh7zFTBbCbA840I8mkjhU7mYUZIPKjrmaVWNFn+UTuy7X8eH2L?= =?us-ascii?Q?jMuJZ4YCfyshmHasrGAU4oMzg7dMgAoX9efK90zKSlr0K9S5vyGVTIYdROBD?= =?us-ascii?Q?fDbESrGmdIdcxNJLNkVmhGtlVXErVJJcvNkmt7+dzJlQ6kXtwBXwV0/JNcoz?= =?us-ascii?Q?OCIyv8dq6y9fcUUxU2lzuNL1yVoG8EEOGl3oBczwhIsTA1mceWxbBeze5h0G?= =?us-ascii?Q?Szxw6NXogjjrUl3+r2gMtNN/p0feGeAIX5h2Jz37rsBDqLgYPwdVu5jkpY4J?= =?us-ascii?Q?/u3pIWbfKrD012CtEtNfmr+5QxuMMZVeyZezmWsnew8wemKTE15Ah2f7V+nX?= =?us-ascii?Q?c6VS4+/kalDdEvngOid3LMSPmiyCPvposvkp2pSHuovEWM8bGqbQzitXbQG1?= =?us-ascii?Q?vOsuTGWMfaa5DsuZ1/VZybV+QPi5hEpBG+rFPdstqN5t5krp+AzPufyaohE7?= =?us-ascii?Q?NVMzp9Qg/NbKNaQbo/fnxv1M7OeV7Tyg+WKmMK6rUtiwyIpJv8P4N9yAsFyX?= =?us-ascii?Q?8OoKkYWE3f66nd0/eOiYxoR9vJ8jkX8/5knFqLnUuHBDAahTodbJMWjQNlut?= =?us-ascii?Q?+NuaCwRpaFcvAVvqjZs+LGT53u/zSsyJcwNgrhbrzB4fRe1YimLstvYWrvwr?= =?us-ascii?Q?hUi7ct/lBodL1XUMVjPYTRcCOTdHBTko3zT/35WuXf+9YQgT/WAB+ldLHEQR?= =?us-ascii?Q?OGDp8N/S3YdC6b48mFR+gb1vxVhNATYxL0PJiaIRiwIDVKdZIl0ifAg5h6+N?= =?us-ascii?Q?GLOTmo00Vs4W9m91gLkdXA+7md6a2nq6S5b8hMnGwQhSjVHhD7D0fqed+JtU?= =?us-ascii?Q?D7CNNjwm6DYed2N/bN7kIpGH+0ZGuVEmPiMuEvgMLEQZzWJpvbjCvMFe71YO?= =?us-ascii?Q?wRrH+YjhVbZZEN5gqkvQrv/5aO/ah9pxsskdQo4nlt/2DSdK6LcnxjaP7LF4?= =?us-ascii?Q?tAIUB1fZGGd+auzrLVDGBPihtsHi8ok8SyqvV0MX9dPc/g0tyFS61pro6VqT?= =?us-ascii?Q?I3ZZmhbTmVgRHEZr/iUkcYbzLj4dqG6wCDx1SHkYv3PBkco2fjsamXCvs+JO?= =?us-ascii?Q?FhJLEzW7LX5TOgkAUNUUtazj1FbtZI3KamRDnRR6G/3xa8SPtgcQQsbT1QJp?= =?us-ascii?Q?xhu2Ibgyxwzw24kVf+BrbkESpoNiph6NgTa9OBDxND70Y2jbawaLn/ELz/8Q?= =?us-ascii?Q?bw=3D=3D?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5256fd3c-5aab-4c6b-3cc7-08dce2097cb6 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR10MB5613.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Oct 2024 11:09:15.5742 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: J6P4jKNRhPL17tfsZfhOQ4xSlmOWQ5ulamwIU0Ykm1eDp5J4YyieDj1I9W/TDkqg5YwBWXwMdOKNSGSb2KroyQtj5hZM+Ltd6uzCJ2WbeME= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW5PR10MB5826 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-01_07,2024-09-30_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 spamscore=0 suspectscore=0 bulkscore=0 malwarescore=0 mlxscore=0 mlxlogscore=904 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2408220000 definitions=main-2410010073 X-Proofpoint-ORIG-GUID: F1yESVLIFCdYGGMYLftVgPCfBPBsSc9u X-Proofpoint-GUID: F1yESVLIFCdYGGMYLftVgPCfBPBsSc9u X-Stat-Signature: w7pnws5jnu3ptgyp4351t67z955ufdxj X-Rspamd-Queue-Id: 6BD47C0015 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1727780961-283292 X-HE-Meta: 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 g6lCa058 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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: On Tue, Oct 01, 2024 at 06:55:25PM GMT, chenqiwu wrote: > On Mon, Sep 30, 2024 at 11:05:26AM -0700, Andrew Morton wrote: > > > > We will want to see (and review) the code which calls this function and > > that code should be part of the mainline kernel tree. > > > The similar code can see perf_event_mmap_event() in kernel/events/core.c, > and current talking topic: > https://patchwork.kernel.org/project/linux-mm/patch/20240924074341.37272-1-qiwu.chen@transsion.com/ This doesn't explain why you're exporting things... I am very much not in favour of that, sorry. All the same objections apply as I said there. We already have dump_mm() for dumping this kind of thing, and yes that requires CONFIG_DEBUG_VM and yes I think that's valid. On panic it'd probably not be a great idea to try to take locks and walk this data which might be corrupted or otherwise unavailable, seems very risky to me. I don't really understand why you think this will help an unhandled page fault in init? But yeah I'm not in favour of this patch, still. Also please, please do not put VMA/mm-related code that iterate through VAMs etc. in random other files, they _all_ belong in mm files. I'll reply there I guess. > > Thanks > Qiwu >