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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6FB3BCA5FAB for ; Tue, 29 Sep 2026 02:05:18 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 77AB16B0096; Mon, 28 Sep 2026 22:05:17 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7046B6B0098; Mon, 28 Sep 2026 22:05:17 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5A4F46B0099; Mon, 28 Sep 2026 22:05:17 -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 2A58A6B0096 for ; Mon, 28 Sep 2026 22:05:17 -0400 (EDT) Received: from smtpin21.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id A22581203A3 for ; Tue, 29 Sep 2026 02:05:16 +0000 (UTC) X-FDA: 85265157432.21.18CF531 Received: from SJ2PR03CU001.outbound.protection.outlook.com (mail-westusazon11012022.outbound.protection.outlook.com [52.101.43.22]) by imf22.hostedemail.com (Postfix) with ESMTP id C1976C0002 for ; Tue, 29 Sep 2026 02:05:13 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=Nvidia.com header.s=selector2 header.b=P8lNMnnF; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf22.hostedemail.com: domain of ziy@nvidia.com designates 52.101.43.22 as permitted sender) smtp.mailfrom=ziy@nvidia.com; dmarc=pass (policy=reject) header.from=nvidia.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1790647513; 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=Yuy10aM4GSOTGy1Z6xdpkZLUPEhC3r6b93RwD5RQ5UI=; b=0fbOSFImt5kG2NnTz0p0XDigim1IGtzGA6ZmY4qMI1n51Cvx3SCE1WlLVNcDcPS9yFVDxW C6cMwJCgEpudX1Q04jLoX9a7VhbGTRSc50LFT7EQFGp+hRgMaf2nZ6jNm02hJ6cs3O7eG9 XqAJeeCo5qLFDWMKLWDGk0aQVcxa0z8= ARC-Authentication-Results: i=2; imf22.hostedemail.com; dkim=pass header.d=Nvidia.com header.s=selector2 header.b=P8lNMnnF; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf22.hostedemail.com: domain of ziy@nvidia.com designates 52.101.43.22 as permitted sender) smtp.mailfrom=ziy@nvidia.com; dmarc=pass (policy=reject) header.from=nvidia.com ARC-Seal: i=2; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=pass; t=1790647513; b=LYsMCTF2fxNVKO/UC+7qtNJFN3PZBXUktYSQz+X6VQ09uVpZTlLgPwyx/KudsJU3tEIZyc j4ZK2iGIMnVani0golYNF2S5B48JzeaOtZhetQbQYbwNA2F0/OAF0kPAfsYdBdOWOmHZWG gI0XzvSpCeVjjGmJ5RMyV4XIcI5V9SM= ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=rZbeMs1y6/CU1F5XhVwnHt4qeB82T1yVPsV503rgc8MyVTZEfxiYhjfi6e/1m9lIX8fMf7qZPmFdy3ssWO2DlBvPw0UIIoEFfuQ7dnis7WZ1FgOhkg7e68qAxXbdZTUePKul70KNdcw5WxEc1TExSBdHkQZ/PQvZqCWfuVAfWVIBYJhsYH+OlOfga+cI9wGHnn950Ii3rKjR31RXS26sh2kPTuYHXD5FWhmBrB6v4vGskiuCJhL7tYg224dN3V0GX6YeoSDKAZjyztxGF3Vy68jQl2Mzh0pIAQmp3HqYp8pISrqUWOblDnfP0xPMgOS1/mLteJzWU4Cfgyo3k00q3Q== 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=Yuy10aM4GSOTGy1Z6xdpkZLUPEhC3r6b93RwD5RQ5UI=; b=EBDEczF7uqMn/85Q/iejg654f4+HMAepW/d+D32w+6H0E/Lb32EGQi4HyxgM8O6ZczHLlDlJZvAH1xK4OzZ4IeoVR7g7DcwdX/TN5vTKNxjAzbEiwY+5X5dCYlQsxKYl7u9Hj4aQYwPY5y6xQwmIHP4oWFVL2MPSXda/XNX6QQzIrEW4umfx1NeEL+udBaMRdQinWkS/RrWAfDD1G636JavgHI7JALmKlQQZq/eSCWCHlk4bjtrYJEetPKV1k/RoQeC5m7lwFnUlP++tF17ytVSxSKx3UV2j2ZtJpXLJelV/DUSPfqIKPAR/msUmejDoVQSZ4noluuP+6zNivZy1RQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none 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=Yuy10aM4GSOTGy1Z6xdpkZLUPEhC3r6b93RwD5RQ5UI=; b=P8lNMnnFcth6/rLKdSUj48btwAHGTkbLPPOXys/k1rT2f8r8GiZF0TXVhM4DxD5LdKmLJOJN7sxp/JMQxPPuc6/UeEJKRFmH4rXw+Zz4HgXEj4e6daBEcPRKlKi38SapYzxRPy0FuqIbWRO+A1MjXyz7K/WT6ypsV65OOIi/4zcHtMVmJdFZ5jvOECmacY0M8jNFCvQuOfUpNKk3arWTGy3u54V+nf0TKldgS+SX7sPG8Ac2S73GQOdjoFLQ4xzQ3svgW8tllGKBCkZ8LKNNxww4RXTXtWbtv0YjoidknmEKEsYwUihYwf4BocEbEIP3fsiKqXddnkJKyr7OxGLOEQ== Received: from IA0PR12MB8374.namprd12.prod.outlook.com (2603:10b6:208:40e::7) by CH3PR12MB9313.namprd12.prod.outlook.com (2603:10b6:610:1ca::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.451.24; Tue, 29 Sep 2026 02:03:37 +0000 Received: from IA0PR12MB8374.namprd12.prod.outlook.com ([fe80::d85f:4c87:ae84:3f16]) by IA0PR12MB8374.namprd12.prod.outlook.com ([fe80::d85f:4c87:ae84:3f16%6]) with mapi id 15.21.0451.022; Tue, 29 Sep 2026 02:03:37 +0000 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Mon, 28 Sep 2026 22:03:35 -0400 Message-Id: To: "Kiryl Shutsemau" , "Andrew Morton" , "David Hildenbrand" , "Lorenzo Stoakes" , "Baolin Wang" From: "Zi Yan" Subject: Re: [PATCH v4 13/13] mm/collapse: implement MADV_COLLAPSE in madvise.c Cc: "Kiryl Shutsemau (Meta)" , , , , "Liam R. Howlett" , "Nico Pache" , "Ryan Roberts" , "Dev Jain" , "Barry Song" , "Lance Yang" , "Usama Arif" , "Vlastimil Babka" , "Jann Horn" X-Mailer: aerc 0.22.0 References: <20260928100630.21870-1-kirill@shutemov.name> <20260928100630.21870-14-kirill@shutemov.name> In-Reply-To: <20260928100630.21870-14-kirill@shutemov.name> X-ClientProxiedBy: YQBPR0101CA0145.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:c01:e::18) To IA0PR12MB8374.namprd12.prod.outlook.com (2603:10b6:208:40e::7) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA0PR12MB8374:EE_|CH3PR12MB9313:EE_ X-MS-Office365-Filtering-Correlation-Id: 0bb0015b-d0c3-41ba-5140-08df1dcddfd8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014|23010399003|10067099003|5023799004|11063799006|56012099006|4143699003|18002099003|22082099003; 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:IA0PR12MB8374.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7416014)(23010399003)(10067099003)(5023799004)(11063799006)(56012099006)(4143699003)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?REkwdGdhQlVUYk5nOTVoSExZbFIvMTlxc0N5THZnMEp0aHljQVRkWXpHa0Iz?= =?utf-8?B?d2YyekhHWWhwRWNWNUUzdENzaFlrSDgrUjFWaW11dkExYVQrZEVVZGczMUxF?= =?utf-8?B?Sm1Nck5yUDJzWTNSdXpKcnhuMGhCakpBdWwwK1ZsOXVnQkJvU0R5OEI2d3hi?= =?utf-8?B?WVZLYUQvN2ZFYjJMeit1NVF6OW5VajkwdVBjMXBNQ0VMMzErSXpCNCt6eFVO?= =?utf-8?B?YnFkbzgwSXhjcjk3anBGc3owWld0R3Q4cmRnVzVEeHdqUHB1aG1xWHBEV3dy?= =?utf-8?B?UG9WR0VNZzc0aUNxc3ExY2pXbEd4TzFiZjFQdDF0UHo2UUwrMml1bFlGc3BY?= =?utf-8?B?cXhUczJNQ1M3YVNrNHZ1UzJCa1ZvNVFPbE5pSjBhUHRVT3l6OTBRYXF2RnVt?= =?utf-8?B?MkxtWUFxV2tJUXE3QXVVNlV4TjFJOTZOVFlSRW05SXJNZW9xdWxLb3hKSE1k?= =?utf-8?B?RzhXNCs1QUpKNGViSWQ0Z0NCdElaY1VCNjZidE4zRERaeU5POU1WK282cTJC?= =?utf-8?B?dWlPS2Q1ZkRGRzVCV1dadzNBS0FabU9vWEt5K1U2Ymo1OFFlNC9CN1FQTXdC?= =?utf-8?B?dW50djR4Vjl6cldZL2JQZ3BRMlNtSXVmWWM4L09zNnFJOXZOYVhzRmhpSS83?= =?utf-8?B?ZXNKUzVIUVZRdVhSUmFhZUNDbGhMWEwrQjJTRmlCTVp1YVRYdHlOYlhaQStx?= =?utf-8?B?eHN3d3JUS1JCbU93emR4WlFNUjB6NmFPbnNjUWpzMFNLQXlZK3dvTlFtSExa?= =?utf-8?B?b1F3ZXQ4a0Z6YkJLcUNqVkgyTGtjL3ZOTmVyczhrZXNGSllONCtSZ3czSmU5?= =?utf-8?B?MVBTbjcxSEQ5NmliZGpSeGY3TXQ4LzdYdi9YbDJROVozeDVMSkVYdEhPUkp2?= =?utf-8?B?TlNTNWw4SjkvcFVCQU9penFHcFVmYVlaYVpSWXhSZjZIQnFrQks4S2ZkeGtq?= =?utf-8?B?RGI4ZzlGUngrYktpZUwxRVpUZm9lY0RJNi9XbkdDejhnNy9HVEcya0tFaEZx?= =?utf-8?B?NFlLOGVLOFF5MXdUQ0hsRWpYSGdleVpIeFA3K1NpWmpZcWo5N2sxYzFFY3kv?= =?utf-8?B?dFVVV0pNQXpYVVp6UDhvSzNQZ3ByWGphN1EyYkFHRURUNERscWRLU0ZXL25F?= =?utf-8?B?Ty83Z0d0c1lGSzVOMTJ5Nmg0OExJdEtSWjJMTFlzZXdlSUNxWnFweVlxWk5p?= =?utf-8?B?byt2SXdiSkMwRDZYYVNFM21vVmg1Z2VqdWppWndkVlJ0ek5DNXhPbHAzQjhO?= =?utf-8?B?d0U4Q29tV0tPbEJCMlljNHIwWEJsclZNallhVzhNY0FKdjJRVHZYOWJVcE8z?= =?utf-8?B?V2xMVDVQMUwxdHFqSUt4djVNWWdLV3J1bWhZZjJBU3YrTmNIaWdrMkJYUmZU?= =?utf-8?B?ODB1RkhCK0p6L3pQZXkvVitvQkZEcVZ2eFNHWW5wbDZJdlJWMlFtbEE1TlNq?= =?utf-8?B?OVlOVkpac200UURKNUFzcGJ4T0J6TWZ6VlhVTThIbHd4am9WTXl0OXh5MjZP?= =?utf-8?B?dFNjVVNZa2JTR0xFb2hNVC9HMS9mZ3M3RTcyNURJdURIOVBkWHVOQVYvdFd3?= =?utf-8?B?Q0FpU0VMT01uTWNSN2pHZjBlQ0E1UHJoRDFRZ3hENUlTRUl3U0p1SHRhU1RO?= =?utf-8?B?QkVHRkI5WUpaU0h3ay9zYmVHb0hkTzJTaTU2QUVoYlRSa2NCN0x6cWxTdnVq?= =?utf-8?B?THltMzlqRy91aWNJaVYzVnZyQXRFb1c5MDlTdDVhMExGdVZVR3dsS05wbDdw?= =?utf-8?B?RWJJak8vZzdDZ2dqK1l1dWRZY24waUNNNXFSbkhHZmFrNHdyM1lJa3N5TEph?= =?utf-8?B?RHlrb2s5RWZycDROVFlldzV4VDdFbGpYaWhkYTkxU3NJQ04zOXJZUlV4Y1pl?= =?utf-8?B?YW1VZzIxeTNkVC9IMFVKZHVrdTk5THcwMVdrREJuV0lUNmdaRmNPdTRhb1Z0?= =?utf-8?B?V2FEdTZXdnNCT1NUNUg0TCtrMlFiTVRGbmFOdlRlczZxc3dySmg2TER2Y0wr?= =?utf-8?B?TEtlNDdTSEllQWRYeUpyVUx3czNWZGZzWTEyU1V3WkpFcmJDeVY2RlowOGV4?= =?utf-8?B?Y3NLcHI2SytpZ3E3OGE5NUJqcUhTY2RvenY0UmZkY1JOUHdEa1pzQ3dVbDhz?= =?utf-8?B?d1hMMlZoSzhhMkM1NlJZb25pMm5WR1FzeTF0VDNjdy9RdEFWdEFZaUtnSEhm?= =?utf-8?B?V2xRYlBGNDFId0N6YTFqMmNCdjRXTnd0ZWJtNVVsb1I3YWxiVWtmaDRFd2x2?= =?utf-8?B?Zi9qWG1TaWxERG1sUTJMbTErMitrbnJiUnBpREQrQmxxRVNNSHNWWlJBUENC?= =?utf-8?Q?doL3MoYIaPTR3AhdcZ?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0bb0015b-d0c3-41ba-5140-08df1dcddfd8 X-MS-Exchange-CrossTenant-AuthSource: IA0PR12MB8374.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Sep 2026 02:03:37.2032 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: gu0TIctfRPrMg9NWuV9NQw05vxXFZPnvBTY5YDZNnQM7s6YDRrAqfpN5q80YD3CQ X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB9313 X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C1976C0002 X-Stat-Signature: opr66e37gfcr9y5tghqcx9gofawhqgni X-HE-Tag: 1790647513-667525 X-HE-Meta: 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 CjR136Q8 2rXDs3EReKx5zFfqvWLavGC94Q6aVKbQKB21HAkB6pt6H1g/pQfSUUc8OkO4I19CI2ExgJ+RSvzg1bRPVtXcg3dU5UlZsfomgnn8bfRTu5QBui5iYWSf2L/WPv+Mir+c6bixkZxEncw0YasZc7aVQWQhUtkZ/JCVY/GuGESoiSlZnv+sBTd9XmQXB48f71XVm5g86p5b5CfVmkRGK7ZFJV9ZsnFS0niXA7V8lYbnAhCTjRrDsa/I4ys0WbQAaQNkw5j/sc7fM9sd2NsO66GJ9kb2oeV2D6cuZXy1xDvofgU7GG+P0dAs3p//1gtNVwkZF5VrRkuhmFYCDpei075JuGjSbnqTiayO8GdbQnThGylYZsz+2wr75fzFaWZMagvFyGXorUcFF8OG4QLYOzzmwjRDcha22zX0UPu9bR75jnt7uoheD7Al23xGZ90zI/vxZ47KFVSmDA+BaCqNxHBLR9q7fOA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon Sep 28, 2026 at 6:06 AM EDT, Kiryl Shutsemau wrote: > From: "Kiryl Shutsemau (Meta)" > > MADV_COLLAPSE is a madvise operation, but its implementation sat in > khugepaged.c. The daemon's file therefore also held a syscall's worth of > code that has nothing to do with the daemon: the walk over the user's > range, the per-PMD loop, and the errno translation. > > Move it to madvise.c, among the operations it belongs with, along with th= e > errno map and the policy it states for itself. It takes a struct > madvise_behavior like every one of those operations, which is where the > range, the VMA and the lock-dropped flag it used to be handed separately > already live. > > It stays a caller of the interface khugepaged uses, so nothing about the > collapse changes. > > The !CONFIG_TRANSPARENT_HUGEPAGE stub moves in with it. > > Assisted-by: LLM > Signed-off-by: Kiryl Shutsemau (Meta) > --- > include/linux/huge_mm.h | 9 --- > mm/khugepaged.c | 159 +------------------------------------ > mm/madvise.c | 170 +++++++++++++++++++++++++++++++++++++++- > 3 files changed, 170 insertions(+), 168 deletions(-) > LGTM. Acked-by: Zi Yan --=20 Best Regards, Yan, Zi