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 864E1C67861 for ; Mon, 8 Apr 2024 23:09:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D43A66B0083; Mon, 8 Apr 2024 19:09:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CCC996B0087; Mon, 8 Apr 2024 19:09:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B1EE46B0088; Mon, 8 Apr 2024 19:09:42 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 903446B0083 for ; Mon, 8 Apr 2024 19:09:42 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 19DF6C01DA for ; Mon, 8 Apr 2024 23:09:42 +0000 (UTC) X-FDA: 81987908604.19.C45579D Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf03.hostedemail.com (Postfix) with ESMTP id D1B9620002 for ; Mon, 8 Apr 2024 23:09:38 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b="X5Sm8te/"; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=MDpLE0AC; dmarc=pass (policy=quarantine) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector9901:i=1"); spf=pass (imf03.hostedemail.com: domain of jane.chu@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=jane.chu@oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1712617779; 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=ktnFaCPwDdOPNHis2alCplFO4j7w486dcNOjYvkFNDE=; b=vIKnqZ7PcmO5iYIe9ScE64oZRcorr704fgAFUjR6s9AgpZojaUKpp/CNpfXshGcSuj+Qmx GqIbImkMzPMQv4rSuA1qQYL6MZSBqeVpoHCLU1SfuVaN9kEdaClRqbxbi2EGO37rfcqpvl zmEkg6ydGXJ4a77YZrWNKkPwiB/F8NM= ARC-Authentication-Results: i=2; imf03.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b="X5Sm8te/"; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=MDpLE0AC; dmarc=pass (policy=quarantine) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector9901:i=1"); spf=pass (imf03.hostedemail.com: domain of jane.chu@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=jane.chu@oracle.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1712617779; a=rsa-sha256; cv=pass; b=WBDV/r0WzqODNk2B5qasHSekuJDVzZuW+mMI5OL0uiqgFXLB6+JAX6178EWAVuIWkheBiN n/WEupbwexQ4eNEJiXA3tnrc9C/u13jFZ1uS3cCx8ClM5mmUR7ltsj2fjh58p9eUK5oooN MpNEqkNn4eR9341RS+mDxm17C7xOoJY= Received: from pps.filterd (m0333521.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 438LnQTn018205; Mon, 8 Apr 2024 23:09:30 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=message-id : date : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding : mime-version; s=corp-2023-11-20; bh=ktnFaCPwDdOPNHis2alCplFO4j7w486dcNOjYvkFNDE=; b=X5Sm8te/3MXzgr2r7Dt7StpvZYpReBPNhLn9uqS2HR8X0NdZfc124SS1j62ecHuI1/B7 PjvahJL++HSmFAE0PIF7oH4jFiKUfrs9/oyNBrLwPtmVWSUgIGhPvVy+3pTHWBPrPGPl OiW9RRoUcZiBtZCttYmIKebHmJr4RU6Zw4IR6c5UkOGLIzpTcwVji/gbI4fDJbvlcj6j amySW+D8K/FRc90iKB46F3WQEL1dmRwgyT9Hzy/F7mCdGg98u0EZlWFds0odZrAZEBub 65ZlX4j2L6fy/LaoqanhatCUKkFRDBnFbDjj6nyAjliwHIjZOV/bfh53PRnnbhYZm5TD 3w== Received: from phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta03.appoci.oracle.com [138.1.37.129]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3xawackwmu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 08 Apr 2024 23:09:30 +0000 Received: from pps.filterd (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 438KxWeR032368; Mon, 8 Apr 2024 23:09:29 GMT Received: from nam11-dm6-obe.outbound.protection.outlook.com (mail-dm6nam11lp2168.outbound.protection.outlook.com [104.47.57.168]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3xavu6h1dj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 08 Apr 2024 23:09:29 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=BmQcJM0tuEUpMos1b3ByShd7fqFF58XRFJLHHL15nsAuuQYHfsc9xfLIPPticZh+5OzY4CQgqlBFghTtiIOgMd/X9Nv73a8r+WYNXJEuPu4KYSW0qaxODgG31p1JlFttFnoHV1DtQ1+hl0flF8OBAgh0o825P3DpfIWpWD/1K/mLClWGemSBwWrbLJGkKHScDPchMwLvqWfs2CZCu3fFxXdhyViMB8BZi4eOcHaJqE7eTfzYTxN70nYwoErJ628z9xL5X9RXYbSnspUVaeH86x5RzW3V6B1SDgp2y33/rkmYVNOKwaM9VMj0uAVHi/yxjA+tLANls3muW6yia4Xogg== 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=ktnFaCPwDdOPNHis2alCplFO4j7w486dcNOjYvkFNDE=; b=OCzCrvQL7ijmhnedWyvGSiamqUy5KWeHVEWNBu/r9UfcMXToyn7QorOOottk7r5L4hdvePcEJ8DE6AoV7yAoz+7wWJ7O+Kxc7gOuEZphKwocQRxWQ07Tvktp8UKnB1r8Bw8M+9yMdMJaV/ScBErc83WC7k3xMJLq3n/IG9fLM4/y508kDes9OUUs7ZDu2YSEMglMqgpMTvjBJgd1zdIKDU7W2Ef6liy93ZEMZfmEEK2KpeNXI9u/Y85ZImVlbL2w0g+JU+ysejXDieM8nFhQ9wQDOYGKRQ0iukxhGGYvmg5GD6gEa/g/01PkGESKPqrF589xTrxBY+AXJ5V7oGJyhA== 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=ktnFaCPwDdOPNHis2alCplFO4j7w486dcNOjYvkFNDE=; b=MDpLE0AC6KCs6V8sSPPvh5g/VA/h5mxJnywmWYmsIaZ1J1jo/1V0wpuZRrBIeX+xOQKJJ6bZ2Ooh7p5C7RuB9/zzWYi+0CJr27Cc1wGYzQQOg6X3fIGSSobKOX1Rpioyx9f8Bqii8LHVeccU85z65X+583d+4rnAdOWFi31qBlY= Received: from SJ0PR10MB4429.namprd10.prod.outlook.com (2603:10b6:a03:2d1::14) by CO6PR10MB5617.namprd10.prod.outlook.com (2603:10b6:303:148::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7409.46; Mon, 8 Apr 2024 23:09:27 +0000 Received: from SJ0PR10MB4429.namprd10.prod.outlook.com ([fe80::f5b:648d:5d73:dd03]) by SJ0PR10MB4429.namprd10.prod.outlook.com ([fe80::f5b:648d:5d73:dd03%7]) with mapi id 15.20.7409.042; Mon, 8 Apr 2024 23:09:27 +0000 Message-ID: <4ac239d4-5be6-4d1c-ba08-af5c70ed79b8@oracle.com> Date: Mon, 8 Apr 2024 16:09:26 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 06/11] mm: Convert hugetlb_page_mapping_lock_write to folio To: "Matthew Wilcox (Oracle)" , Miaohe Lin Cc: linux-mm@kvack.org References: <20240408194232.118537-1-willy@infradead.org> <20240408194232.118537-7-willy@infradead.org> Content-Language: en-US From: Jane Chu In-Reply-To: <20240408194232.118537-7-willy@infradead.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SJ0PR13CA0102.namprd13.prod.outlook.com (2603:10b6:a03:2c5::17) To SJ0PR10MB4429.namprd10.prod.outlook.com (2603:10b6:a03:2d1::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ0PR10MB4429:EE_|CO6PR10MB5617:EE_ 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:SJ0PR10MB4429.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(1800799015)(376005)(366007);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?TmZuaTlzaksrRFJMZHlOWVBXMmlIVGNIQnFyZnZkRXJLZ1crdXlMR2RGYllB?= =?utf-8?B?bTM4Z2pHZHVwMGFxdDRXL1lzblhhSEZqazVpc0xGTVZOY0p2WXRBcjM3WHRO?= =?utf-8?B?VVkyOHJzcm1JeFkrQW5JYmlnaWUxZWRqNGhnRENhN29yVlZWdVlaUHdyOGQ2?= =?utf-8?B?dk9wOHYySDdZQkxqZldGQm1yMktCWVMxcWJLWFRLd0gvamswZUJ5ZjV5MUp2?= =?utf-8?B?eWpjWXp0NCtadU5rWDNpVVA4T29LUHMrMjk4N1lSZUJSUWZIOG1nL1I5RnVu?= =?utf-8?B?ejI1M3FMUUFHYUlUYWJBWWN4NWZPRW9NcDNvR2RIS0hxQmNYNkFkMHRnbFU5?= =?utf-8?B?UG9CTWs3SnhydFFQSldHV0NjMDcwcWE2bC9ZWWxHRDdDc21aSVJ5cXVkZkRW?= =?utf-8?B?RjdnUmhVbDdTWFd3Mzg5ZFhheFYrMnFROUtZZHo0T0dsdTZuQkF3VCszZmJZ?= =?utf-8?B?SFhFekd3eTE3K0NrdkxSdllLaWlIamNDYmlDQnN3dWZndXhQSnAvMjRabXlU?= =?utf-8?B?aWphY2o2Uk1vK01Vd1FCZ0EwUDJkaEhTMG50dDFQSExmamg3elptYjA4M1pJ?= =?utf-8?B?cmM2aFdOSmkwZXo5STB0eHl2V01lUUxSK0RycE8vMVZOZmJBTVhoKzFtOFBu?= =?utf-8?B?NGxka2czQlJ1WGNjc1NXSEtMVmpiRjVFRzM5NFFXcHZRUU9NZkV1RE1paWVJ?= =?utf-8?B?WmJYR3hzS1djcTNlV3FzMTh4YXZiUHhUSUtFeUgzaW5YRitWMk1UeE1RWnRa?= =?utf-8?B?V2dtRTgrS09ZL0MyNWt2VTlHTG1QRkhCOXdZZHNoV0dJMzFHUGptTGcyT3dt?= =?utf-8?B?NjVTQWdnLzMydGNUSlFHWWQ3N2xoYk42dkpNamV2UEpacjJMR0tBaU9SZGxP?= =?utf-8?B?TklpdzE5TUhtSnhTWXpCeDZyUHZZRGFVUzY4S3cxR1psdytDUng4RHJuMnBV?= =?utf-8?B?bldsYW9sUld4Mzk3WHRycExzNkpoWFZSd2paRDl5YVBRc1JuMElMbXEya2s4?= =?utf-8?B?SllEcFhVSFAxOTlzSHBvcWZpU1h0VmR1TSs4WjF4U3pzSXNJWS9zSjZERWt1?= =?utf-8?B?MDQ4blBSR0JRc2VrZUFtYnNtTERtRGYyNUZSeHZ4b3ZwWlo4aE1EbGRiYitt?= =?utf-8?B?N0ttOXJob3NkUlZqY0dsYno2OWY3eVRKUG4xa2dScXJTL0lTRnFZOUkyZGpm?= =?utf-8?B?V2x0aUVWeUZGT2VFUzJ4ZHROTTBpYkNETHdkQ2dKTGUweUxmN0FsYmVyS0kv?= =?utf-8?B?d3l6WThoSS8vaTg4MEhka3lwYXJpWjExaVM2bmd3VkpnR25PS2owb2NrWGp4?= =?utf-8?B?ZUtjRkNrSlB5VjEzYUxyTWhTM2hGRXFXRGNSU3VnUFladDRTM2dVbFl1bUV6?= =?utf-8?B?bnZUNHd3NlNneVdvaCtreFVGWkhrZlU1RGNOdVVPOFBFR1gzQVZDN3FIQnU2?= =?utf-8?B?T3Z1N1dMRlpTVmlOSkRuK3FsdGtpNTQxSWw4L0g0dG9qVnhYSmZDVy80S1ln?= =?utf-8?B?THJ6bkN6TUMzYVpGWVg0ZStkTnN5VU9WTHpTYWU1WlE1c3hRSnN1TDdvdVhw?= =?utf-8?B?M3NRQjlnVmxSbWRXUVpxZ0NhWmNLVTlTUXJHcUhSRUpRdEFaUDc3cEF6b1do?= =?utf-8?B?eUdheEpUUTJ3dXEvZy9LS1N0MFI5UjJIMnp4T2lGUkdjT05GT1hENHk5L2FO?= =?utf-8?B?RGRhMkcwSHZPYjNVRVVoOWJzTkRybkRlTGp6M0Fld0E4aCtiUkd5RWQwTzNv?= =?utf-8?B?VE5mN0ozeW5DUWV1V2FQaWxNQlRkcXhFb3dZTnUzbWZjRlJFMWxoazNaeS9z?= =?utf-8?B?Z05HcnBEc1Y1dk5ZS3RGT3orQmVabW0wQjdvQmR1dVRYRDllMnZFUEdxeEY0?= =?utf-8?B?QUR6NU4xMnBDT2NnbGgrRG9hZ29rQjZnNDg0RncvZGlGbThqSXJzd2h4T1Fp?= =?utf-8?B?UEZpbzVOdHk4N0xoWlVGclJLVlI4UU9qRSsvMzZZaTJrWFJFY3hBNndiSElJ?= =?utf-8?B?M29jYjNYTU9iY2t0WjNjQTVyZVRuVnRVR29tRlV3WUxmZEtyQVJhbU15UW42?= =?utf-8?B?VzVyNHJvOGp6OG9yQW5hR1U0bCtyRFZBVEgvNVFTVnkyMWFScCtRUVJaY0hv?= =?utf-8?Q?tWq/aCwFvLf3jd66OJKmOHGgL?= 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: a3b73d4f-e485-430c-2830-08dc5820f041 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR10MB4429.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Apr 2024 23:09:27.4049 (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: ZB5fzKliK41BvDQOpnyP/tDg978vJTS5UtyozJfIUYLSqkXGcHb6WCSOQaLapT2/JaT4YGxbmCGoBbOPKqgouw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO6PR10MB5617 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-08_17,2024-04-05_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 suspectscore=0 bulkscore=0 mlxlogscore=999 mlxscore=0 adultscore=0 phishscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2404010000 definitions=main-2404080174 X-Proofpoint-GUID: zL2Zasc6Ow6AGjyQIaea90NBfTwifpOf X-Proofpoint-ORIG-GUID: zL2Zasc6Ow6AGjyQIaea90NBfTwifpOf X-Rspam-User: X-Stat-Signature: heqto4at8y9y1i4rb9kgpy9w8cbk6zrz X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: D1B9620002 X-HE-Tag: 1712617778-756482 X-HE-Meta: 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 U2wj51jJ aYNh0e2weErBXetPDAoaFzOz/zFmT2gna65vC3z4f+oW6oH7/V9yo4dDRtoo/08FQCJHTtpjKWpO+47iydCk3g2MsrLWjzEwCxIe5oSJ+CeDlFwjXzBcDhfW9aR0DHUQ16bEV3gQSK4PfB5y2gEO95L8Dbz15kY2f01756E4jfvKe+PO1fxpL2nFkHagTjshLy5MNj/6So8juSZDnYeY09bUHBOiFbBmuDAPJGuFqe15EFX8= 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 4/8/2024 12:42 PM, Matthew Wilcox (Oracle) wrote: > The page is only used to get the mapping, so the folio will do just > as well. Both callers already have a folio available, so this saves > a call to compound_head(). > > Acked-by: Miaohe Lin > Signed-off-by: Matthew Wilcox (Oracle) > --- > include/linux/hugetlb.h | 6 +++--- > mm/hugetlb.c | 6 +++--- > mm/memory-failure.c | 2 +- > mm/migrate.c | 2 +- > 4 files changed, 8 insertions(+), 8 deletions(-) > > diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h > index 3f3e62880279..bebf4c3a53ef 100644 > --- a/include/linux/hugetlb.h > +++ b/include/linux/hugetlb.h > @@ -178,7 +178,7 @@ bool hugetlbfs_pagecache_present(struct hstate *h, > struct vm_area_struct *vma, > unsigned long address); > > -struct address_space *hugetlb_page_mapping_lock_write(struct page *hpage); > +struct address_space *hugetlb_folio_mapping_lock_write(struct folio *folio); > > extern int sysctl_hugetlb_shm_group; > extern struct list_head huge_boot_pages[MAX_NUMNODES]; > @@ -297,8 +297,8 @@ static inline unsigned long hugetlb_total_pages(void) > return 0; > } > > -static inline struct address_space *hugetlb_page_mapping_lock_write( > - struct page *hpage) > +static inline struct address_space *hugetlb_folio_mapping_lock_write( > + struct folio *folio) > { > return NULL; > } > diff --git a/mm/hugetlb.c b/mm/hugetlb.c > index 456c81fbf8f5..707c85303e88 100644 > --- a/mm/hugetlb.c > +++ b/mm/hugetlb.c > @@ -2155,13 +2155,13 @@ static bool prep_compound_gigantic_folio_for_demote(struct folio *folio, > /* > * Find and lock address space (mapping) in write mode. > * > - * Upon entry, the page is locked which means that page_mapping() is > + * Upon entry, the folio is locked which means that folio_mapping() is > * stable. Due to locking order, we can only trylock_write. If we can > * not get the lock, simply return NULL to caller. > */ > -struct address_space *hugetlb_page_mapping_lock_write(struct page *hpage) > +struct address_space *hugetlb_folio_mapping_lock_write(struct folio *folio) > { > - struct address_space *mapping = page_mapping(hpage); > + struct address_space *mapping = folio_mapping(folio); > > if (!mapping) > return mapping; > diff --git a/mm/memory-failure.c b/mm/memory-failure.c > index 2e64e132bba1..0a45fb7fb055 100644 > --- a/mm/memory-failure.c > +++ b/mm/memory-failure.c > @@ -1608,7 +1608,7 @@ static bool hwpoison_user_mappings(struct page *p, unsigned long pfn, > * TTU_RMAP_LOCKED to indicate we have taken the lock > * at this higher level. > */ > - mapping = hugetlb_page_mapping_lock_write(hpage); > + mapping = hugetlb_folio_mapping_lock_write(folio); > if (mapping) { > try_to_unmap(folio, ttu|TTU_RMAP_LOCKED); > i_mmap_unlock_write(mapping); > diff --git a/mm/migrate.c b/mm/migrate.c > index 285072bca29c..f8da9b89e043 100644 > --- a/mm/migrate.c > +++ b/mm/migrate.c > @@ -1425,7 +1425,7 @@ static int unmap_and_move_huge_page(new_folio_t get_new_folio, > * semaphore in write mode here and set TTU_RMAP_LOCKED > * to let lower levels know we have taken the lock. > */ > - mapping = hugetlb_page_mapping_lock_write(&src->page); > + mapping = hugetlb_folio_mapping_lock_write(src); > if (unlikely(!mapping)) > goto unlock_put_anon; > Looks good. Reviewed-by: Jane Chu  -jane