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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 30641C98306 for ; Fri, 16 Jan 2026 22:37:11 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4dtF8j3Jwrz2y6G; Sat, 17 Jan 2026 09:37:09 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=fail smtp.remote-ip=192.198.163.18 ARC-Seal: i=2; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1768603029; cv=fail; b=TpHSZpAGmOGpKPQmNalGMFynAa7td58SEQXIp9uD5K6cFfyhVLwBQvsZ3Qz0+wiuk/p4bNC881nSRKiztErIvFrqz3EbNUN0uFh1zET/uk7a/JaRX7WhHD3ri0JnBK05VU3nWlvnag8o6HAFBaBwX2o9pqHP6P+Z+wlONyiUdVm0nb1zAJLJrbLXSzN6qpOkwx0vnAfUDgqQrOcnqJRqaLxE0h9MDZtb2JA5LQY7WhetSjFejvjzKeln2XDef6S1HYO7wxJFNBJUxKSNu1tTiajllHw2569x/qZ/uig0xcC80T8cxKV8MvtrQOloF92CAabrNFaehy8MokpwUmtXOQ== ARC-Message-Signature: i=2; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1768603029; c=relaxed/relaxed; bh=6zJVK3v/8gxKGx66UuXijuX/09K0e/MvTGKvZPpjJNI=; h=Date:From:To:CC:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=QjHNnYZe7eVb26dB2CGyLIwNtg3VCeHan8/5dRA7i8hXnh3UPvP1NU1HxA7/GLxfXEVJvpN0i8uC39iTlst+Ayzd9l9YyBSX0a5TDDvVrgYsfEvMV15JPT08F/sUJ0c/hE1x3HDo8/4+tPFrGlGg/6VGKzShYIUpWxZEqeoKK3pdpwd+f990VBkMMPrjMLYVL54qVu/yX3STcSEU8Zun5cmx6y7fKTpnTxxpiO8UeiCe9flxPzdDFncl5vl8V+AGWi9GRsG1KJcHf71YuwwFwx+aELA1godHKVbEmQUi8WyeBKQXTS2JmJOty/azT3CHqMRodZc2Y6V91z4/OpCHQw== ARC-Authentication-Results: i=2; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=intel.com; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=I4X+FLgu; dkim-atps=neutral; spf=pass (client-ip=192.198.163.18; helo=mgamail.intel.com; envelope-from=matthew.brost@intel.com; receiver=lists.ozlabs.org) smtp.mailfrom=intel.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=I4X+FLgu; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=intel.com (client-ip=192.198.163.18; helo=mgamail.intel.com; envelope-from=matthew.brost@intel.com; receiver=lists.ozlabs.org) Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4dtF8f5ZRPz2xqG for ; Sat, 17 Jan 2026 09:37:04 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768603027; x=1800139027; h=date:from:to:cc:subject:message-id:references: content-transfer-encoding:in-reply-to:mime-version; bh=w7BFxtoapMOd3oEFX2td3xdBAEVMi/KSp6jkfjAjmhI=; b=I4X+FLgubD+13v5lvjEpi7PyRwO84zwxorG6hDK14tipm7ObuND7b3eH bIwQtE53JTUKvT8QzV4HMxXgxfwagCv3ZDIv+tyaoe6l4uolAjVTjnNvD /yQO2KWRjCwQksY2QB/cfZhFb9aqLj887GInEVed0xPhDOS2vYmvQH41/ ZHyWlCehelPwKdKIg1HFbiy19hjoHUcERZp+0yWdh9kOQXmKR6vaxs56j vKZe7LRLrv2Ev+PCuE7GaewrmgHgF7MSFr45hvSFXzGBF/f7gxecut6f1 XPCUSeluCti3SIBC72nIhFvokTxbQ36eZ9mC4prRhLLC1bTmUxWAfHDzA A==; X-CSE-ConnectionGUID: dgzxac1SR6KSGi4IAwiyNA== X-CSE-MsgGUID: pRL7rwHATrW9QNGwQ1BShA== X-IronPort-AV: E=McAfee;i="6800,10657,11673"; a="69124545" X-IronPort-AV: E=Sophos;i="6.21,232,1763452800"; d="scan'208";a="69124545" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jan 2026 14:37:01 -0800 X-CSE-ConnectionGUID: 2+UMlko5Q5+FkCB4FNnwJw== X-CSE-MsgGUID: yv7ZcGkGTVyV1ipHsEjE4A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,232,1763452800"; d="scan'208";a="204966098" Received: from fmsmsx901.amr.corp.intel.com ([10.18.126.90]) by fmviesa007.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jan 2026 14:37:01 -0800 Received: from FMSMSX902.amr.corp.intel.com (10.18.126.91) by fmsmsx901.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Fri, 16 Jan 2026 14:37:00 -0800 Received: from fmsedg903.ED.cps.intel.com (10.1.192.145) by FMSMSX902.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29 via Frontend Transport; Fri, 16 Jan 2026 14:37:00 -0800 Received: from PH8PR06CU001.outbound.protection.outlook.com (40.107.209.66) by edgegateway.intel.com (192.55.55.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Fri, 16 Jan 2026 14:37:00 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=OEqFL75y2BG+7sfIkfNckfL4iXU+AQHKl573jtoj87jj4Elu+VLH+Wbk50dNWn0FYxRbLYeVkAmN/qBZpRD7Yf2QzWzfJd2L9dLOjooJ1HvfKCLTQK0EsbWkPyRwZ2cFGjehxzVxv6/DWNmxEHaO7OhAXVfN6hbO9YBukFHH5hR0c1nKHi2AybPUreSUFsel9JeQqy0Eo+b2L1uYqclYsPdc31383pksr+Zfbc9bqTz7bA48RCPh4JVbZWYRGIYd/3kd8Tujuoot2DKr0iovPWHJ96cv8RCIc4Gy7P0wIy6kgNmvNGAh/rW2Gn7U/chQkpFr1UIlZ7ho/Q3Wc7HkMA== 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=6zJVK3v/8gxKGx66UuXijuX/09K0e/MvTGKvZPpjJNI=; b=YBthngArrc7o324A+0cW67yK0ewukXZkwVqRBg6AOLe84pIpyTb7drqW8c2rC8OaRtfbsHB3CdWz/qHsWBAId3O/cacYW0JALlOuOaRXci63oCAQbPHXqgHDuWK+8YpHlFMwEWdpaux+IV9Ji5vrSXa/uhwMmb2ToxaLENyw+1V22JXfEylyKwjALmWvlcJCmutWIehKTKtx8/AqPFFCaB1UNPoiw8Bpq5S+VpI4C2RAZFiBV0EceOL2+nTaut1mOD7iBjE6iz5qGEciYkIOd1FUKdCTDbTDjh1BYL0uJw3QvZPmsZbl5QHr7mp7rZSRQAp2mA3vS8yV4T55/ii/HQ== 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 Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from PH7PR11MB6522.namprd11.prod.outlook.com (2603:10b6:510:212::12) by SN7PR11MB7602.namprd11.prod.outlook.com (2603:10b6:806:348::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9520.7; Fri, 16 Jan 2026 22:36:57 +0000 Received: from PH7PR11MB6522.namprd11.prod.outlook.com ([fe80::9e94:e21f:e11a:332]) by PH7PR11MB6522.namprd11.prod.outlook.com ([fe80::9e94:e21f:e11a:332%7]) with mapi id 15.20.9456.015; Fri, 16 Jan 2026 22:36:55 +0000 Date: Fri, 16 Jan 2026 14:36:51 -0800 From: Matthew Brost To: Andrew Morton CC: Francois Dugast , , , Zi Yan , Alistair Popple , adhavan Srinivasan , Nicholas Piggin , Michael Ellerman , "Christophe Leroy (CS GROUP)" , Felix Kuehling , Alex Deucher , Christian =?iso-8859-1?Q?K=F6nig?= , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Lyude Paul , Danilo Krummrich , "David Hildenbrand" , Oscar Salvador , "Jason Gunthorpe" , Leon Romanovsky , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , "Suren Baghdasaryan" , Michal Hocko , "Balbir Singh" , , , , , , , Subject: Re: [PATCH v6 1/5] mm/zone_device: Reinitialize large zone device private folios Message-ID: References: <20260116111325.1736137-1-francois.dugast@intel.com> <20260116111325.1736137-2-francois.dugast@intel.com> <20260116143432.50b98d6dc965b94f3b915333@linux-foundation.org> Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260116143432.50b98d6dc965b94f3b915333@linux-foundation.org> X-ClientProxiedBy: BY3PR10CA0002.namprd10.prod.outlook.com (2603:10b6:a03:255::7) To PH7PR11MB6522.namprd11.prod.outlook.com (2603:10b6:510:212::12) X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH7PR11MB6522:EE_|SN7PR11MB7602:EE_ X-MS-Office365-Filtering-Correlation-Id: 24555a29-8102-47ec-ec2b-08de554fc097 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?MlhOanduY2l3TEdncVJJR3dvY20zV0pQVjJLTWxRWmkvQzFBM3NkaWwrdmR1?= =?utf-8?B?ekhaU29vNDZIVmlhRWowU3RsV1dVMVdHR1dMZTExaEJYVm44a09OYnQ4QU5i?= =?utf-8?B?YjJGcEVIT3E0cFVzZWRkTThQRHlibTVRVFkzWHo0b1JKaTM5MUhEdVlOWTJq?= =?utf-8?B?RmxQcEFFaURLblVuZDB2Tk1uNjFtdGFtZm1JT2xnOTFKQ05WT3BDRU11SXd2?= =?utf-8?B?ZnFXMnpjRWtLOU01NjNLRzVOaXp6RnpIWDM3MmVqdUUyTW1UWis5TUI1SFJm?= =?utf-8?B?cC9MNERRNUduTHJHYWwwNmJEMEhUQktReUlGV1JIcHpGK2FpZE1QalR4cFEr?= =?utf-8?B?NFBqem1STE5kSU1iQStyaktQTHhMa2o4L1A2RExmWExPZ25qaTR1Zk1HSktU?= =?utf-8?B?bjM5bWJ5RUlQTHNXaERmMHVBamc0QTRQU3JFOHR6YkNpbHNDd3huNDNDUzRi?= =?utf-8?B?dlZUbjZYUXpCbGpTMi85Vk1Zbkc0by8xWi9JZVVjaVdmZ0RlNGtZNFhJUTVw?= =?utf-8?B?Unc4NHN3akFGanVzNm9aUW5HeS9kV2xXUGVCM00zc1RmQUNVK0x6cU8wa3lk?= =?utf-8?B?OUs5RWRvL1B3NEFjS3lVYW5zQkNocTZIQlI2QlBpZlBnMkxZdnJkVWVkSnRu?= =?utf-8?B?UWFOVmR0aHFWdXpPT0NxaDZocjI5TTQrK2NKeXlxekJ3cGtaWU1MdW1QWkMv?= =?utf-8?B?dno0U09oUjdScjFaQzRROFJieHk0WFFBcjFjWkRTdzBiVHRYaVdUS3FKRTFy?= =?utf-8?B?di8zMEV6dGFYMkg5elZ1MW92VWVuWjlSVmlVVFVpWU51WkpOUVNCKy9wZXY1?= =?utf-8?B?VW90bjlrbDU2NmtqWXRoemdIbW96UnJYU1J5SzdDTkdiQ2xBUWMxZEtNU3pm?= =?utf-8?B?Kzhrd2I3bi9ETzZGYnVkSUlBbW4rbmg1RVpRWUFhR09kU3EzWGZyNWxzUHlM?= =?utf-8?B?MnZ5djBQc0REMElzdDNaOVJGNFkreFc2ZHpsdzN3ZzlZVTlmMWZIc0NHZFF2?= =?utf-8?B?TDBZSE9oNWVLdElSQU11SGF0QmxsT3R3YmRuUWJraGZ1UkIxUWNoNjZzbk9V?= =?utf-8?B?S0lWSXFiVHlrVEN5TjQ0dXhONjcrc0wvZkFzMGNhczlLMGd6UGtTNUpubUJG?= =?utf-8?B?Vmw4VXdISmlCQ1pFNWx2bUs1T05KK1hhNXo2K0p0Z2hlaThCbmJseDM3TVM5?= =?utf-8?B?RnZITFJtNmhRVWV3V0lISnhGc2szM3BqMC9neno2S1FJUEZSNm5qUGZLaE1p?= =?utf-8?B?L0pEd0lJRlZDQ3RtSG40czA5YjRkUS94T1VUYkFVamo4ajBDQStiQVZuUUVs?= =?utf-8?B?WEhveDIxa2RqYVpMT0dlbncvU1dtdk40UUpEOXV1U290QjNSRVZiSlNiT0JX?= =?utf-8?B?Tm02YTBBc0FBZHJzZ0pXSUNIUUF4Q2ZRK2NxZGNIOXFYdEczWm52VERxMU5T?= =?utf-8?B?MDExVC9LTHhpcWg5ZWJabSthdGZxSXRZYkFnZlBVeXIrWnR5cm8zRDJEc1VI?= =?utf-8?B?dmw3dkhwcUFhejNqeGczcm1XT05ScjhLcjRlTWh5a0FJYkMrUUpWaWE0SFhn?= =?utf-8?B?ZVQzYi8xTk43M3RHOGRBbnQ0ZExZTEs1MEJaT29nd0R0MTBrMmFDYk5JSElo?= =?utf-8?B?OVdlVDltTmMweTNuVGNrbTRzR3M2UkE3MnBySFBOYk80d2d4RXQxV3dYWEgr?= =?utf-8?B?bWVKZjZQREQrNWQ5U1VaazF4WWYvT3FoU0ZLWHkxcjgwVUFQeDhiNzFNMXJo?= =?utf-8?B?V3E0TnNvYnBBKzdwVVUvY1hPVVhzaUJDcmJxTHN1dmpqR3dzdkhDN2FSb2JY?= =?utf-8?B?RkRJRmxGeFAzVkU5eHVwdklTQVJ4ajlyMzc3VURocy9TMGg0Y3pzU2YvaXVV?= =?utf-8?B?eVJZV0hoZmZQVHRtNVY1RWpmVmtDZDdFRUVTTFdhWlRNczFQMkRSQ0o4VEZZ?= =?utf-8?B?Nlc0eVV1bHBVbEZhdHRVRCtBWk4vQnc2bERBcWJlNFBhYVphczBMNkFvaGFV?= =?utf-8?B?a1VNSUo1dmJwMFA0WTAwdndRaW9vTHM0RlRpeVY4bTMvRDJZYXNXYVFhdVgy?= =?utf-8?B?NkxENVZIRWVic3lpTlJrcWFNd3dqQ1poUTNhQU5EM1FyNVpNbFR2eFg5amo4?= =?utf-8?Q?8tto=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH7PR11MB6522.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7416014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?bUJPdnMyY1hoVGpLVW1UNmlRZTZMNHlId0phM0RTUVR1RWdDUzRWdlR2RW1n?= =?utf-8?B?Q0sydHhLMTFVVU1tNmo1ekJwckFMU09RMGVSelZWMGFJM3ZFSU9NTTBURnpE?= =?utf-8?B?WVhRdEFLNUtiZ2JCL2RKcU5HUmF6dnhPVmsxNThWVmw0dTMzNmdwZ2lTQWdD?= =?utf-8?B?SFMyTGlIazBSZnMxLys1RzFKTlgvcWx4MVhBaVV3R3B0RWVDbHp6VVRHTVcz?= =?utf-8?B?ampOUHdqS3RQRXpjOFBlZzdxU1pveWhLaklLTWVUTFJDQUkzS2JoZ1YyMXBz?= =?utf-8?B?RjU3aUxPa1lDQnpXSDFrZGlWU1B6dDM4QkNzS1YvdGFzRGxvcGg5QlIrWTlP?= =?utf-8?B?TUIwWG1wbUZqRUFzLzROclBtY3h5djJLeTdhTnM4YVNVTThndDV5a0dnbEhS?= =?utf-8?B?UzhsL24vdHpQdHJialM5VXhnTmJlUFhpRGphdXhYSFdOTUMxeFVMeFdJTFRk?= =?utf-8?B?SjFPRG42dGNvaDVJL1ZHdm52aWhmQ1pwaUFJMG5JZHJtTWxHVDAwaCtGWjBN?= =?utf-8?B?bHQvTnczREF2M05HSHpyQzZpYjd2VGN5ZG83NmZMekpLZm9pZUprM2dlWWxD?= =?utf-8?B?dTAzOTc5VkIrSE1HVVIvTDR5RHRPUkZ5YTE1dUF6OTQ4M1MyQTdZRTJLQ09h?= =?utf-8?B?U1huWjdNajFhSUZhdEJsN0JkU0FKM09tNjhwNjdSclJ5SnQxYmw1QlE4NmVz?= =?utf-8?B?L1Yzc08vQkpkSklWN1VPc2lScTlYOTJPaTlOSUVtajlrZkYrcHNSTVlicSt0?= =?utf-8?B?clBIQTcwRWUzRWZiYUFsS0lZOXI2MEl4SVQwdFlmLzd1QU83NVBWalhjMFVJ?= =?utf-8?B?Y3Y4QXdGZGFscTJ0dWlDaCt2YlJvRkEzNUxvUWJNVXdlOEN6TG5naWRROHNt?= =?utf-8?B?TlIzR0x3WUpTaUtycjRtSS9sM2g5dCs0WVNIclFxUFB5cUd0WENock96QnFm?= =?utf-8?B?TlB5UFpCM1c4Ui9hNjQrOEduZ013V0ZHTzhKOGpVQ1cwK3pmMVZoUnJ5Vitv?= =?utf-8?B?N2VLbjhvbHFieW0rL1JOKy9jRHk4b2NrZklIN1dqOTdweFJMaXZxREhnU05j?= =?utf-8?B?MmNkeFFJakU0WjdYUlVyN3Zkbi83ckxDK2t6ODVQUE5IbTJZQ3N6V1ZIV0xF?= =?utf-8?B?Ujg2dnk3ZmZyN3l5Tk4wNXo3a1lxS3NZZUxyTHAxMmgzMkJiTFVmclRydnY1?= =?utf-8?B?cW9DL1N6ODhPdnI2dDlhL1BUNU1JS280UGNEZU84QW1EV0RqVUF2OEdEWHBM?= =?utf-8?B?VlJld1BpclJUcWVjQitEN1dPU2ZkeTFCaW8vSWowQ0NKTysyZklsYnFwMnhD?= =?utf-8?B?T0E4VXh6OTREQkJ1amdSV3pkcWxlZ1RjUVFyLzVjNy9CZ2FBazcrOTROSEht?= =?utf-8?B?cDNIeTFTZEZWNmY2NnlKTTUzM2QyNUFVVWl5UFhsZDA4RGZ6b1ljTmZTRGVy?= =?utf-8?B?YXdwRytCN0pDcUxJdmZtcVRSc3JmcFJJMmk5d3YrZ3hJdnAvQmhjdThpQmxC?= =?utf-8?B?NkUxenVWVXVJcGdyWVBLOTN0NFBnZmE4RGdacW4xTTRxS1ZiMmZNTThjd0pS?= =?utf-8?B?Vks4Y3Y0SGd3MlkzamUzQWVlcFg0NGg1eFEya2dXQ3hYL0Jzalp1N2c5enhR?= =?utf-8?B?QTNUblBQSUUzRlp0dDBRZDFMcklONStCZEsveW5rUTRWMTNwN2ZwTHc0T2Rh?= =?utf-8?B?TkRtdXN0VnJkM1puaDJqSnVTMkt5WldBS3cyN2lVTWRFeVYzYmZxWlUxVkNu?= =?utf-8?B?SHZHbjU4UjNJMXFmN0xSWVpuSkczVFVOenVSNVlneGRMOHdhTGZKQ1RFbUJt?= =?utf-8?B?Y0JiUHphR21ObGtSaWNma1BEby9wbWk3SFliUjlXQ05NUHZXaFpyYXBObDU4?= =?utf-8?B?eDZQMlp2TjJrOTJvRC9rMEZiYjhVdG42VzlFekhld1U3cFhkbFVrT1U5bE5D?= =?utf-8?B?K1ZNTlpjcTZ0cHVYQ0JPQUtjOGZWWDBMTzFWRlpVVStQSXE0dENoZ0wyODJi?= =?utf-8?B?YnQwK2dKdzNRMDBjd3dvY25JcTFPclF2RVFMckNkV0oyQ1JDbkU5ek9ySjlR?= =?utf-8?B?ZEVuSlBKV2UxK0dNbmJXMVhQSndxQmdYM052OTlKRTBEZGpSa2FzNlZDYWhW?= =?utf-8?B?S3Q2UXF3M0dabXFrNEhMbkwwN2lFWHhmWFUyWU12bDBLQ2lDQjhSYkZuVjdU?= =?utf-8?B?cU9qdHhzM1ZNSFNhOU56R1dtcE93YlM5ckNKMERWWkN5R1RORldIcTJEZ3Ex?= =?utf-8?B?MG1OckNkWm1OU0tPL2RpM1FUYnhnTzVZZC9qaSs0eHlMRHpiUm5ZRnU2NmI0?= =?utf-8?B?d2lPbmNXQ0hxN1FkRkhncjlWVkR0ZFZwKzBkMFp5dWJFSDJGOGRIeHhCekVG?= =?utf-8?Q?tEOAepfEkCpURh+k=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 24555a29-8102-47ec-ec2b-08de554fc097 X-MS-Exchange-CrossTenant-AuthSource: PH7PR11MB6522.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jan 2026 22:36:55.6612 (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: U24mFgpAPPL+V/TAj4+uL7LymYnE9ys91ZTSU1+iNXRRjXGlrIomf65I/LuO1o/JECvduNtDO88FoPZnH6n3aQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR11MB7602 X-OriginatorOrg: intel.com On Fri, Jan 16, 2026 at 02:34:32PM -0800, Andrew Morton wrote: > On Fri, 16 Jan 2026 12:10:16 +0100 Francois Dugast wrote: > > > Reinitialize metadata for large zone device private folios in > > zone_device_page_init prior to creating a higher-order zone device > > private folio. This step is necessary when the folio’s order changes > > dynamically between zone_device_page_init calls to avoid building a > > corrupt folio. As part of the metadata reinitialization, the dev_pagemap > > must be passed in from the caller because the pgmap stored in the folio > > page may have been overwritten with a compound head. > > > > Without this fix, individual pages could have invalid pgmap fields and > > flags (with PG_locked being notably problematic) due to prior different > > order allocations, which can, and will, result in kernel crashes. > > Is it OK to leave 6.18.x without this fixed? I think 6.18.x is fine, the offending patch + large device pages is going into 6.19, right? Matt