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 812FFD729E9 for ; Fri, 29 Nov 2024 16:19:45 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 13FEF6B0083; Fri, 29 Nov 2024 11:19:45 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F0976B0085; Fri, 29 Nov 2024 11:19:45 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EAC2E6B0088; Fri, 29 Nov 2024 11:19:44 -0500 (EST) 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 C6B486B0083 for ; Fri, 29 Nov 2024 11:19:44 -0500 (EST) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 86EAF1C7220 for ; Fri, 29 Nov 2024 16:19:44 +0000 (UTC) X-FDA: 82839643320.11.B5971B8 Received: from NAM11-DM6-obe.outbound.protection.outlook.com (mail-dm6nam11on2082.outbound.protection.outlook.com [40.107.223.82]) by imf08.hostedemail.com (Postfix) with ESMTP id 37447160018 for ; Fri, 29 Nov 2024 16:19:36 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=Nvidia.com header.s=selector2 header.b=OYgQjdWh; spf=pass (imf08.hostedemail.com: domain of ziy@nvidia.com designates 40.107.223.82 as permitted sender) smtp.mailfrom=ziy@nvidia.com; dmarc=pass (policy=reject) header.from=nvidia.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1732897174; a=rsa-sha256; cv=pass; b=Ht55o6CRwzuovn3A87SQKqq4U6es3866eHWihADzJEjkSd14rnXrK8FeMTizAQysQI3NpX tESFnMpFyBe/8Hgi/5fv8lcVm7nbIxtLnXRe34AfSwQs0g6ZQiie7mCxj0behSr5jTfaiE jDDK3ljQrFKpPC7YupXyBlErQoacCOo= ARC-Authentication-Results: i=2; imf08.hostedemail.com; dkim=pass header.d=Nvidia.com header.s=selector2 header.b=OYgQjdWh; spf=pass (imf08.hostedemail.com: domain of ziy@nvidia.com designates 40.107.223.82 as permitted sender) smtp.mailfrom=ziy@nvidia.com; dmarc=pass (policy=reject) header.from=nvidia.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1732897174; 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=n+KwhCTNIb2M1J4qNUCwd2ZQ3p2nM2oDRImjFQ1tRwU=; b=H9wvIT5F8NIE/pPvcsViXRz2fksJQPZngdBmK6K3Ii7cjCUy1jrc1O3VhYdRa/jhAVVO3k 6d5H0pR/L2HzPnWunMxLTj8I51zvjKTZG5dAwg5T0r+qSf9SktmbC2/A7rLYAP9crgbQpj +0HRB8G5TZhzamn4D+5RutqDOADLoqU= ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=nSlD5OK2CV3RsvlubaxXp+Tzq31xwkLh6uivWOzBwY9ej/KwnoRKZ69clnD7CyuO+nrKVtwgcXWU4pJc9P4zqXuldeMYvleCRy7/e/20fjl1y9teeEGtWvjENOcF95PXeawsxhaTzJMpRnprb5lxSHeV+YLUlvXgsib6ZCJLMpBn5cBkJrFa8jYGaqDQa6r9ky+EpfkpPiTThrCVkb1CpMW7Lmz2/K0tNzCtxPNZtkbDs6HhMP/YMaiuTSDMEB8q07IpnRTUrTztRYpDHaqo5A6WruAVETDPCoY2UXHfVp2jeYn5MLB6NPfMPKfEj/iVW6hnsQ2vH08nOh1/07Ke4g== 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=n+KwhCTNIb2M1J4qNUCwd2ZQ3p2nM2oDRImjFQ1tRwU=; b=lrhhgN3m2FQRbf+KM0LygUYguCyUS0kKujPP1gPWF7O32dfMiTCeScVBLnQZO9Kc99FCPbGLws8lFbeDRtg28tJoRYSynjB6Dbw/6n5Zd6VsC6UMY777rfIWt3sRQAjalHPf4xNLq7oJ+TSdzEPB+1LU/BMY5KWi+ju7emChYCm9TixYSzYyw2B2CIiPjr7FpqBBQV8egga7NaG0UrVSoTQ0almk+MrTrDJeZaPJH2YJkGMDcea2GSspy8oMYtOUO0NNXPBI055R1Fjh0CLBdRkEe2arNYcR+7pV2Syt3pTa6P0BkEQ67GlUmIocScMKOwgMV6QyHOWIlNOPN1x4wA== 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=n+KwhCTNIb2M1J4qNUCwd2ZQ3p2nM2oDRImjFQ1tRwU=; b=OYgQjdWhrUDfflginnUEEs7MhtT6RROxYAOI4cJ7IX8XlpXUHpKUYnvWoNGqub2OMFaiw7cx/bN05TgXA2sfrYCG24oF+M6EPZAN9ubFR1m3+E80FWrsT2qYvD6Ot16BYA/ar13qHVjqhHOoY2S3VQIvWFNM5ac2/Niy5iIYa3WeRmzKULsD8xPhmr08bJb0Rd1+0AS6LT4S+z4so0TwWoPd/dIR2LOupI/IpoIZDZE/i/VhgvRo9e3gfnsHhCFksAGhTYe7MV+nKFvKAYT7BntpdfGp82g6u4/d5Y2WBKDbwdQfr1JqJD4l5sos0g8IldVm0WYJ/NjsexqAAjRKGg== Received: from DS7PR12MB9473.namprd12.prod.outlook.com (2603:10b6:8:252::5) by PH7PR12MB6977.namprd12.prod.outlook.com (2603:10b6:510:1b7::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8207.14; Fri, 29 Nov 2024 16:19:38 +0000 Received: from DS7PR12MB9473.namprd12.prod.outlook.com ([fe80::5189:ecec:d84a:133a]) by DS7PR12MB9473.namprd12.prod.outlook.com ([fe80::5189:ecec:d84a:133a%7]) with mapi id 15.20.8207.010; Fri, 29 Nov 2024 16:19:38 +0000 From: Zi Yan To: "Matthew Wilcox (Oracle)" Cc: Andrew Morton , linux-mm@kvack.org, David Hildenbrand Subject: Re: [PATCH v3 13/15] mm/page_alloc: Add __alloc_frozen_pages() Date: Fri, 29 Nov 2024 11:19:36 -0500 X-Mailer: MailMate (1.14r6065) Message-ID: <4BD5E74F-4AB4-43B0-89C4-18F8C7E6A72D@nvidia.com> In-Reply-To: <20241125210149.2976098-14-willy@infradead.org> References: <20241125210149.2976098-1-willy@infradead.org> <20241125210149.2976098-14-willy@infradead.org> Content-Type: text/plain X-ClientProxiedBy: BL0PR1501CA0021.namprd15.prod.outlook.com (2603:10b6:207:17::34) To DS7PR12MB9473.namprd12.prod.outlook.com (2603:10b6:8:252::5) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS7PR12MB9473:EE_|PH7PR12MB6977:EE_ X-MS-Office365-Filtering-Correlation-Id: 4549fca0-acaa-4a54-ccff-08dd10919efd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?CaNNpzBThOYBjgf26pslhG0GpmQZeXKnmOhJkgonkd0Kh3OSwnUtrRijN2qq?= =?us-ascii?Q?/M/Ze4e2aeX3x5NAsbfexdBBpVlkT43znZ6d/9VgPjvFnHFS6RwnUkbde7PE?= =?us-ascii?Q?FzpYTY/eoh40B5F2kbXR84wQYkSKSThWGxlZn92fAs6CYLly7YX0LeZmmPtB?= =?us-ascii?Q?/zVRRyFNJ+L+wgS24g0eTV6UaeoWxYXz+QH0NmmA85NHzND6XwjcUvCcI7gy?= =?us-ascii?Q?CnkjE2Zh4cg2w0Le97+bQ+zM3iY1o1VcoC0C/mrypB75EfjJxCvzLJuLDJxt?= =?us-ascii?Q?IboDk8mh2Iz0CTFhh/ncui/gak6laq+IXmW79CHD4jhQXJEFCfu0zzHwflrd?= =?us-ascii?Q?61zBXGbboDlUPv8cNiWNTVsusiTMN1UWD5y/OHGj+BEIMP0znOUdZTVQao/j?= =?us-ascii?Q?9YUbKnOOxBQE6T4ED+7b7kX8aMfEeh1Xfkc9OdO4HcGAyWoupWQWmF7ZHnFP?= =?us-ascii?Q?6Kr9dzpYZJID0w2w/bbcR7+/nCJ9tvSSPBpoYJbHWoviL+i4z6qcH9EoNnNM?= =?us-ascii?Q?9KgfbbFQm6JtmkHs2v41cwdFMogxVSUmPrFD/WXQRBWPWMCtjMdNFbloIXNw?= =?us-ascii?Q?SYHN1tL6ursEy9hNuIdGdPsIJDc8Buq71FmWPo+DPkr7zFo/F6KhscTX8jEa?= =?us-ascii?Q?Mr6mSGLB4TbjVIqganNowqgVQBi+/jneMHpO5k3Jnp08F4k8MMOqQAQDOEYX?= =?us-ascii?Q?P7W2vZYYIhERNVot1fMcf+ifqCo3IUjBSK4N5eeg9osZOu/lLVzTPpmkVDWh?= =?us-ascii?Q?dOVtdmQFXNFcf+MqFKumxdR5sZwfGAVTqjWwVjr9ak7K9Ct41A4y1kPzEPmN?= =?us-ascii?Q?jQjzpYDiOoQIBwzyc5TRs47I47AFSqNbA4vizRe+o7yFUEPq+2gaDnPihNUc?= =?us-ascii?Q?1mS3yvpOgZ0aAQR9oHtz2C+Y+rjFSKd/zGQ1SPR+HQ6c6HvLR0I+xRlcAjMy?= =?us-ascii?Q?reE1e+anoiMTvwXmDAAwtWk7DxS78Eghh2wouwEOPSeZCZQkS/1DVZMCpfka?= =?us-ascii?Q?jnosJL6Lc7/3G5Bxt+xLslD6I+EMf04SJLGsq8WXFQynC510slDZP64jbj1B?= =?us-ascii?Q?mnV1Dc3hDTNmfyZXBHr734GmHktISaPa2UoRKq2epoAzO5yg+iY+6rgGcXMv?= =?us-ascii?Q?XoQ0NSFWwH0dyY9oCbI+vea+bDDC/CZ+kERnlYhtHkd0IFDYUaIxnNZP8HHi?= =?us-ascii?Q?MYOIk1ZMHXlBG3H3IRN6zhyBBTdA8SRWU4BojgZnPM6d7RMRf1lmj8VDYaao?= =?us-ascii?Q?Ieyi+lUYk+qLFRi2eemssllHX8zjy7vfj4oR3ks1TBaZrog59pN8MvnfdBjs?= =?us-ascii?Q?X/79YxG42UDpzYua7UFirMTAr4mAeY+l88OUwtw/NS2QdA=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DS7PR12MB9473.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(376014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?5KZScjzJLZse30sOG63wv+vwwxWs5ofcopXKObnXLswPI3a3qpjIthbBTd3b?= =?us-ascii?Q?0SLtq4Y1FojDLLKovqGWr0cwDabQi/QdCFpb2ho8BrvnmygsegLrms/UAkTg?= =?us-ascii?Q?3duoGPHxIKRGzOCJfG0BBOnMJqhsKGS2utuWxBo5SGD6Y6u0fDPl8PaWwODr?= =?us-ascii?Q?pVJHOpYZrxDIasTODs4Cf6PahNqkCT+419agw2hpvVK8b8jTHr7CSjf+fHj6?= =?us-ascii?Q?t5VtpQQloZMM5DR/lyqlPR/TUbUxnj1Nobcc1bFitdfUptiuQmncwMtoDf70?= =?us-ascii?Q?PqbJmx0NpCzIjrYGh+KaNBRMakRwmWg8chAUEfpSQNp7cIK6fIvbL0wxoMPa?= =?us-ascii?Q?jDhQ2ub7jflmqwBSKU6/Bwru/9YqqR/Y061nWP/LIM2WZYFoIaLOTuGx6G7E?= =?us-ascii?Q?J9CCrNWV7zYPHq7fwdhg1IpeFkMtKP5f5s1UDfsILFiW23qFW3jcRuhwcZMb?= =?us-ascii?Q?tFuxocuLUD/iOr7FIGfMpMovVyfTIR22SXkV8Frup1vYk7Tz7pqZPlI1Onz7?= =?us-ascii?Q?SNjkr8wc1F71fIQ03VVfSbuZiV5I6Ouy3niMHoNh3O+R3P/UDg5LBDE3nlXX?= =?us-ascii?Q?XcMlLJ3HMajopj7w22hh/zz9FyFo0YOYzbb6DKDJHjrANOAqSiNuLnyAZv+G?= =?us-ascii?Q?KEL0NE7q1f5/PrqqF9mOHgSAY5dcQPWVF5QMcamKe1YJD+1VUXSuSwXCklBq?= =?us-ascii?Q?6UWPmdhIArGuyb8t4IqtEWkMNVC1zt5BgU7DVnCCu6vrxRiiovbytxkBlzFJ?= =?us-ascii?Q?+zEewV67GwOKOaEy6xOzeBDdlC5txB3JfYFupeu4CzzDL/TRK78Llsio0xSC?= =?us-ascii?Q?ykuxSVjhG62HQELDR6Eg+pwQ03VlVXhIh72C9OLzfqa0kMSxf21+V47ZTNTO?= =?us-ascii?Q?yLsARPBXjJ4uNWelf9Wr32A0hn3DB+vREwnvweNHtWoh0dgq1btOJRoQC9Yp?= =?us-ascii?Q?G2P4AeoZUp+CPRizJAPZ5NOf0N6YE4/vf9ZPK0sC+g9qO4EioSztJd9WH1n5?= =?us-ascii?Q?JGlmgwSBevEH2SU1/UTFVAwAI4+3jOHK/PsNtj3CrXDnnHrOCz9zeXYeCJgX?= =?us-ascii?Q?YZWnhZYE8/B5DvNTkEAMJeTNm+jnjYicjPIr97lhei26OvBygP7L3+Uf1o8r?= =?us-ascii?Q?8iQLCGFacOQ0h3d/8aj8mBXbkfQQ30UhAZQxgWe6Kg3TL76hmUA5sX7mYScG?= =?us-ascii?Q?KftZNnqWJSyAwHeJB80v9p+vLSf9Sb/qmfrVDEbfX9WzW8AwgxHx5GTholHG?= =?us-ascii?Q?AcnPm8k34D6qLj3urz06k3I2AD0fOYq0KjbRiqCeMtZQD8K/V35rcJzo0vF7?= =?us-ascii?Q?3pPxKgdEith9/MPyGPR/QmGetnYxyDxBWPNSitXLZ6lJam+7TkUo4shJ7G6l?= =?us-ascii?Q?L4MbxSai6BXh1VgUthJEg+DHSzX3HSKrB8WpziKTLigFmNyueuPB1zx/N3qe?= =?us-ascii?Q?ewmJcJqKwkxHtBgbmjA9xGCJNFYHyAUP4Dzs8ifeg8yPS/qQM9gReCWyWup7?= =?us-ascii?Q?PgzbMjxc6PTGoIj+J082lfqUK3iTC14H1eOzLrmZpjPq2pNdFqSuNFqCfPky?= =?us-ascii?Q?fDeh6CJEcu5wCea5gJYeYpOeSh0cAfM+Mci/Nhis?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4549fca0-acaa-4a54-ccff-08dd10919efd X-MS-Exchange-CrossTenant-AuthSource: DS7PR12MB9473.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Nov 2024 16:19:38.1118 (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: R2HqRaeERhD5vMNxXcaKMkMj/Skxyw4FwQ4qgBZKygVTNjIqN2W/yvylvQZGnDJD X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6977 X-Rspamd-Queue-Id: 37447160018 X-Stat-Signature: btmnywfn6grpeqzqsyxa4hjidueijn5f X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1732897176-229160 X-HE-Meta: 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 7GfNKR6D pt1GvS1O75YnRgQMQ4fFnTS324qe+ZL0qPYdaDNNUyjtyqHLamDdwbzfUEZPJ6pDB9k/SzDEHaClHfpHnX+xqUtkVqZNOawvg2NoVZRstAWIi6m0XLoTLK8rp22gf9bZ7ZqoSPkUoVYYhW6B+V/7YJ7A4dYKrOvfcEV0OMpiTmGRq9ody3DdT1uY3wC5yBBVEsl/Exa8PT52TIBUmm0dyNq/89ZeYhz2PtQCxDUN7Gqcx+un94nmWpdboGaJcAn4fnwsx28XYU5IN2u66/svQUPq3kAvLTqKvDJNd2USCgUqTEEmuhL6exT9y2icUAHxUh4dMy0J2eZrp8dLlJW3Cs5RIFajtNSrtEOvNH/xEh7831dGie6zP9ZOyRTSDr1GUEdSVgGbg0fNbEGdp3H/h7zQk+g== 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 25 Nov 2024, at 16:01, Matthew Wilcox (Oracle) wrote: > Defer the initialisation of the page refcount to the new __alloc_pages() > wrapper and turn the old __alloc_pages() into __alloc_frozen_pages(). > > Signed-off-by: Matthew Wilcox (Oracle) > --- > mm/internal.h | 4 ++++ > mm/page_alloc.c | 18 ++++++++++++++---- > 2 files changed, 18 insertions(+), 4 deletions(-) > Reviewed-by: Zi Yan -- Best Regards, Yan, Zi