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 B84E7CA0FED for ; Tue, 9 Sep 2025 08:47:23 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 04A968E0009; Tue, 9 Sep 2025 04:47:23 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F164F8E0001; Tue, 9 Sep 2025 04:47:22 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D68718E0009; Tue, 9 Sep 2025 04:47:22 -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 BB01E8E0001 for ; Tue, 9 Sep 2025 04:47:22 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 4AF2758E6B for ; Tue, 9 Sep 2025 08:47:22 +0000 (UTC) X-FDA: 83869082724.16.8248361 Received: from MRWPR03CU001.outbound.protection.outlook.com (mail-francesouthazon11011057.outbound.protection.outlook.com [40.107.130.57]) by imf25.hostedemail.com (Postfix) with ESMTP id 9765BA0008 for ; Tue, 9 Sep 2025 08:47:18 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=arm.com header.s=selector1 header.b=DQezyIrX; dkim=pass header.d=arm.com header.s=selector1 header.b=DQezyIrX; arc=pass ("microsoft.com:s=arcselector10001:i=2"); spf=pass (imf25.hostedemail.com: domain of Dev.Jain@arm.com designates 40.107.130.57 as permitted sender) smtp.mailfrom=Dev.Jain@arm.com; dmarc=pass (policy=none) header.from=arm.com ARC-Message-Signature: i=3; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1757407638; 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=uQtF0YAtItBDoFBZKsG2ch864Fq7o3S2Tpy7QEanfCg=; b=R5GK5xbVfXy3HZGq+d299vylM4DXNmqgtuTMAOFuwB0py8vLwdfOSd1TiUa9chj7en68xx ReNrd8gpqyLV7NQCr5A+aim7um7GGHY0aFEWiKz/iBOeGW8F0FvOz9zv2fRC7Z4j9U6IwM mWOHxMF6+CnqYO0YA5CmK0ENTPvPK8c= ARC-Seal: i=3; s=arc-20220608; d=hostedemail.com; t=1757407638; a=rsa-sha256; cv=pass; b=ev3pCNzwtBcS6ekuesI5MydlPHpWwjkksoA7TqCy1G3luERz8HFtrRBxf04iFVEmHRQsOO 3aHQrZmFfSMMXT/Cg0sLRvzlNix4rZnsu8CMtoBaCNYXhYoLt5doTL/wbVQzPlldYkaIMz +1PKwHJZHjXr5MlB7GbH5/hYBrQBvis= ARC-Authentication-Results: i=3; imf25.hostedemail.com; dkim=pass header.d=arm.com header.s=selector1 header.b=DQezyIrX; dkim=pass header.d=arm.com header.s=selector1 header.b=DQezyIrX; arc=pass ("microsoft.com:s=arcselector10001:i=2"); spf=pass (imf25.hostedemail.com: domain of Dev.Jain@arm.com designates 40.107.130.57 as permitted sender) smtp.mailfrom=Dev.Jain@arm.com; dmarc=pass (policy=none) header.from=arm.com ARC-Seal: i=2; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=pass; b=lnqeEg6rW1TBHfOFGJmmVbQwRgEt0a4De5d3NrWp4Pngws2tD7V6sFJ12b22UBvMm/G5+W7PWIaaJbo10IXx5l0Y29UhSRLa/TQM2ZrY4jXQjpfflMuLQJwsMqcQ9x9w49m28XA+x+4ncYYJ4J8R+DP/V+f6/uHlrwbelmEfD+2G84/Bog0u+O70xUH5Nf8MD9c9lI92zFNEeeuqr62rxMPzBqBHaE9JPV9XIrCPP6F3+aBlRm7egUUZ1Fic0vreNPjp9lgcOTKHe4ywVzmLyFLg2IVCuZzHyx68FO/4AGF0UwRk+IZoN7hW/5lrN0rcwXvbkHOIov09kY8XonwjAw== ARC-Message-Signature: i=2; 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=uQtF0YAtItBDoFBZKsG2ch864Fq7o3S2Tpy7QEanfCg=; b=kyjh0XJU0odgQ/zgjOMo7LT5zMkNAp/LZAdg2Bp6sL7jiuT2WzkN9WJk27s3PWdmQt9vO79j0CdZlrwlFuXzKP4pBHOWZ0rGy8UUqIdp2OrADK396qkokZ51NVrh0kMdk1jEcn7HCCGM6KYDaMA5MNWVFkteWv8VpAAwozaWR24cdTmzRigLBexWLlH1vEtoEXDjtzTLGFSU5tnyCYtOZA+7e88mr1e6OT7Fk4iV7f8WcxVPixfo4tQhBFA809d02mL2RwmeObmuSjYIn/TaJL98mbRyzPC+otEjx+DBIUMqjsrFrDebAhvLgc6O7A4ipqREoppmp38IgKG+h/FnRQ== ARC-Authentication-Results: i=2; mx.microsoft.com 1; spf=pass (sender ip is 4.158.2.129) smtp.rcpttodomain=kylinos.cn smtp.mailfrom=arm.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=arm.com; dkim=pass (signature was verified) header.d=arm.com; arc=pass (0 oda=1 ltdi=1 spf=[1,1,smtp.mailfrom=arm.com] dkim=[1,1,header.d=arm.com] dmarc=[1,1,header.from=arm.com]) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arm.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=uQtF0YAtItBDoFBZKsG2ch864Fq7o3S2Tpy7QEanfCg=; b=DQezyIrXc46eNr/ThjMV30wuLuUN+yWFDYur9MP9FOyPHOUz56o+P7+WITgaiShr6lYs95kloAwNXrAbCxOpsGwuSNLxMGSFzCUvb4oFXAE9h2zS2ZO700hAQseMNWmpMWsFSF8lu1x9dsPvWwLUyWkUXaWNNyo/PftxhxEYasM= Received: from AM8P190CA0006.EURP190.PROD.OUTLOOK.COM (2603:10a6:20b:219::11) by AS2PR08MB8904.eurprd08.prod.outlook.com (2603:10a6:20b:5f8::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9094.22; Tue, 9 Sep 2025 08:47:13 +0000 Received: from AMS1EPF00000042.eurprd04.prod.outlook.com (2603:10a6:20b:219:cafe::43) by AM8P190CA0006.outlook.office365.com (2603:10a6:20b:219::11) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9115.15 via Frontend Transport; Tue, 9 Sep 2025 08:47:13 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 4.158.2.129) smtp.mailfrom=arm.com; dkim=pass (signature was verified) header.d=arm.com;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 4.158.2.129 as permitted sender) receiver=protection.outlook.com; client-ip=4.158.2.129; helo=outbound-uk1.az.dlp.m.darktrace.com; pr=C Received: from outbound-uk1.az.dlp.m.darktrace.com (4.158.2.129) by AMS1EPF00000042.mail.protection.outlook.com (10.167.16.39) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9115.13 via Frontend Transport; Tue, 9 Sep 2025 08:47:12 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=EgODFvROA9YNkS3JBpxL3xM9xQSOpnrdIKhYSP9PuoQHUmHFIo/gRpHrn+A6CvGe72DyneMKaUu5102l28WMtLlRGK9eiYWDmY9zRPE51ATJaMQ2XKhDCqV6EE+1OaX8uUshdfi8imdtWenOzxnK06kd3Gv/XYwrxEyBQxOOvkqUIqIFEH3KhPvhnqYAkQVpo1p7+iMNoMwGJE+ejXXULnYiGuwtvV98/6rpzmnh9uw2kdkSmYQkl5Xe+3OsLaW1q1caGfFrY8b1tbItxSJ6kN3NXOdGTQNESi2TwAXBhAaaNlpfb5iJ5cUSvNPYPbL4cbnfSuxQ6I7cz8W2ziwtPg== 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=uQtF0YAtItBDoFBZKsG2ch864Fq7o3S2Tpy7QEanfCg=; b=SCRGpec63CsZPukLI8Txaq5/pHaGX1GdVhObY5f1IIh6BavHnJ2DQ1Vf1j9wfJqEtmP2o3UtA2KJEHqIPGQOpHRVQuvuxlsEh6DKVNLu4lVG12bgSAv37L8z5n+MOTLFsioUTDgJQQWWd/v5WJuICFvJ0WcZwfuYfVYqZAew7JxV/HtVQLxbMjXG6XUpumy3N4+VxajcwU3hvlzRO4pqXR+re3GEg2uaw5k0ZdMV9la1bWIDjnCsu1GkO2P8g1Zvk3ygkdRp9P+T8HQkU2tzrKCM9n/x9b1WnKDvu0JBeHHtuS2uK12KizVyY0vn4LBiUs+/X/gJnRdnUyFO4OA0MA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arm.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=uQtF0YAtItBDoFBZKsG2ch864Fq7o3S2Tpy7QEanfCg=; b=DQezyIrXc46eNr/ThjMV30wuLuUN+yWFDYur9MP9FOyPHOUz56o+P7+WITgaiShr6lYs95kloAwNXrAbCxOpsGwuSNLxMGSFzCUvb4oFXAE9h2zS2ZO700hAQseMNWmpMWsFSF8lu1x9dsPvWwLUyWkUXaWNNyo/PftxhxEYasM= Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; Received: from AM9PR08MB7120.eurprd08.prod.outlook.com (2603:10a6:20b:3dc::22) by DB9PR08MB7558.eurprd08.prod.outlook.com (2603:10a6:10:305::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9094.22; Tue, 9 Sep 2025 08:46:30 +0000 Received: from AM9PR08MB7120.eurprd08.prod.outlook.com ([fe80::2933:29aa:2693:d12e]) by AM9PR08MB7120.eurprd08.prod.outlook.com ([fe80::2933:29aa:2693:d12e%5]) with mapi id 15.20.9094.021; Tue, 9 Sep 2025 08:46:30 +0000 Message-ID: Date: Tue, 9 Sep 2025 14:16:24 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/slub: Use folio_nr_pages() in __free_slab() To: Hu Song , Vlastimil Babka , Andrew Morton Cc: Christoph Lameter , David Rientjes , Roman Gushchin , Harry Yoo , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20250909074812.599030-1-husong@kylinos.cn> Content-Language: en-US From: Dev Jain In-Reply-To: <20250909074812.599030-1-husong@kylinos.cn> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SI2P153CA0034.APCP153.PROD.OUTLOOK.COM (2603:1096:4:190::17) To AM9PR08MB7120.eurprd08.prod.outlook.com (2603:10a6:20b:3dc::22) MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: AM9PR08MB7120:EE_|DB9PR08MB7558:EE_|AMS1EPF00000042:EE_|AS2PR08MB8904:EE_ X-MS-Office365-Filtering-Correlation-Id: 1b976d57-1d48-46aa-1640-08ddef7d787e x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0;ARA:13230040|1800799024|366016|376014|7053199007; X-Microsoft-Antispam-Message-Info-Original: =?utf-8?B?SEE2SmU3ZUIwZ3BNb2JLcUEzZXhVQXdVZ2V6Tml4ODBkdUl0amQ5YjB2MDZi?= =?utf-8?B?TDN6TmkwVGlMWkloOFRNOFVMOEpiKzhyNW0rcHFzTGgwMUxQelVYdFk0V0xk?= =?utf-8?B?SWl0cDJVV3ZRYmZLYmdnZjNpamNtRWZCOXUwVExvNUVTL2grcXh1eGVlTjFp?= =?utf-8?B?b2lwOXd0Q2dDVUwvemtpQjd0RHNDQ0pTTEJueUlWb0QzakhHSC9Ydm56cklz?= =?utf-8?B?THgzQ3FyTDQrdE9kNGxQcDhRMjhMcnZURitLMXliV1ljaFNsT09abGFuZWFs?= =?utf-8?B?NFpldlJRNTJYUU1PN2JVWWRSVzFPYU9HSXkzRkg2U0ZJNDdNK0huajBLMUJW?= =?utf-8?B?VlU1emEzWGdtYU44ZC9vdnhVeHBHakRKd1RkMWxzOFFGK1BqY2FwVFd6TnJG?= =?utf-8?B?cVI0eEsrMWhvakxaM25qU1dCZzZjMEZJazVzV3NWNGRzclFQbkMrb3BCT09I?= =?utf-8?B?UjdGaGJLVFpkSG5DeUQrb1BoN3NvTldXYjAwSW5aNE9JNmNwR3BiT3h3cFBK?= =?utf-8?B?MS9DcHUzVllqWCtrbUMreXcrN25VWEFYTlFXR0ZqNlhwbktKTUZ5TXlNeC9m?= =?utf-8?B?K1I0RFVFZmx6V2N5VjdEUDd2TFBDNTg2YThDNmVVbkRDV1RONEdzMTVRMHFG?= =?utf-8?B?Njl5cGMxdE5QbXNaL2Q4VTdJYXRWT0FibWg5RGR6a0JsNVArTkVHQTA2ZmR4?= =?utf-8?B?akFpbUpEanc2blo0OUdZallBcG1TcUI1OExCUnpYUXY2U1lkSjVvOTZLRit4?= =?utf-8?B?VSswVmRsUXJucmFxMWNiVDBSSXRNQjlWcVZYeVhwckZ3UEh6Mzl2U2xmMmsx?= =?utf-8?B?NUxGZUxtLzNTOENmbmVCVGV2a1BaeXBhTmNBZXNDUzkxMmhFSnhvUlNCaVNx?= =?utf-8?B?OC8zVzNhZGRvYlVvbzVSVlZjM29SeGxYOEhWSVUyWVZ4eWhDanBNUDNqZjJT?= =?utf-8?B?aFRYdE12Tld5RW9tSGduVHJ5UUVQRmtuejljWGZGaFAyZElTZGo2aXF2Zkgy?= =?utf-8?B?ZEVSV2tmL0NDYmJKcWlhcXFXck01c1VXZXNyTWpIWFpwZnViMS9ZRFR6NEFp?= =?utf-8?B?dXJrdysxRndNNkVGMi9VRXFBNThjU3VhVVZhdHBJTG52cTNjYXhUdGw0WE80?= =?utf-8?B?dC9ZdWZHdzE4b21Yb3g4SUF4T1lFdzhFemowYXlzUzJHY01BKzlZaFpDTTlD?= =?utf-8?B?ZG5KS1ZkSzdyQjBCMkM0a3ViNXIrOWNmRTlSYVBHSVFqUWdtOUJoNk1zZFI0?= =?utf-8?B?U3cxNVgrclh0WkxreGR4ZHlTcGpDb1dhSy9mL2dCZFBRZVdCOFhEYkVoQVFX?= =?utf-8?B?ZG1tRlYwUCtxSm9hSnZGdS9Dd2JHZWEvd2dIcWZXRWtnSkdEbERIMk45OTlx?= =?utf-8?B?NFhrVmZxZEhWL2VzMXBIanQ5UG1ZT29EUWtDZUJzVklGUXVOMmNRT2lldXVW?= =?utf-8?B?aVJmWldYRjZaWjAwQkk2QkRMVVB3M2pyZi8wMHU2T0JySHJGMW9XTkFLUU1J?= =?utf-8?B?Ymc4TXE4ZTFxSTNyN21RWm4vclJrUjUrNHRLNzlLY3g5Qkk3WVUxK3kzTi9D?= =?utf-8?B?c3JRc3RGUzcwMnpwSG1ubkVBVVlaVEF2RkhIZW5wK25iTTJFMzlPYkgvNExO?= =?utf-8?B?Z0pyRlNPREIvWU5UREFvbWRwTXpVcUhNSXBIaXZCR1RBRDREMnVwQmVtQkxR?= =?utf-8?B?bmJ5RHZpaFV5aE5NOW9NcFRySm8xZmliQi9GZHZBTE9WNERUYXIzSWlNeUdR?= =?utf-8?B?TmVGNWFBa0FyY25tamMxN2ptTTlGV1lNSGJwMktxTEFpbXQ5WnJjU090ZkRM?= =?utf-8?B?ZWtXOWozTmU1czZBcStvR25ucXFpMFY5YmZDSTAxanpZL3FOSkZpSzcwR3p5?= =?utf-8?B?Zk9HLy8zRDFiSjdpWWZqN2laa1dqL1VsY2FKR1QrMisyM0FWVU41a0Y5WVZm?= =?utf-8?Q?iwIS+zTfsFQ=3D?= X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM9PR08MB7120.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR08MB7558 X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: AMS1EPF00000042.eurprd04.prod.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: c5c7866a-f26f-4e8a-4b49-08ddef7d5efe X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|36860700013|35042699022|14060799003|82310400026|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?OXU1aGR1bllxRUtMeGpTdkswMDNaV3hGL09mQjRoeHFNdUhxWXZVRHN4NDNN?= =?utf-8?B?THU0K3JpMkVOZjFZZjZNYlp2Vmg4RndmZnhkOUlQZXFyOHh2ZWkraSt0V0hW?= =?utf-8?B?dmNxVlU0anc0bGx2Zi95WnJPNHhCRkYyQjZpU0p3UDNKZ21QMXJia3l0UVpp?= =?utf-8?B?QlN3NVdWUkgvMVdXUmlpb3grTXVnc3FQWmtHbWpRbGp4bmZCajc5eVhRSkJv?= =?utf-8?B?b2lUVmlQWWFkMVNWZjk1SmNIaDhIaXl0ajNwZVkwTGxGYjM3QmxITS9aUjN0?= =?utf-8?B?TXhMRkQzaHFtaW50STRQVENhWTJQTWtTRklxQldXRnVicDRzS3FKUWM3M0cr?= =?utf-8?B?NkRaZUQ3cTUvOVovWURYdklPTE5oTHZxUXF2d3AwZWVTRGpjVXBsbndRTng1?= =?utf-8?B?TWpiV0pSV1VZQlgzK3JhQUp3RFlaVlV4UVgzTG41NGF3SEhrTC9JZjhCUGRw?= =?utf-8?B?ejhuU09KVWYrSWhCeGlEQlMyemZEcVY5c0N4ZVJ0UlVyQVI2dGxOMlRpSnZK?= =?utf-8?B?NWk4WnRhbkw0bXllaUMyYkd0ME0vdXFhd1hBYXZ6Q1JZNGZ5NFl5b0k1bTRU?= =?utf-8?B?UjVGV0pNWXJDeWhPZ1RCaHVVTVVaOEpLS0p5RHIvZ0RJQXJmU2NZODNzOXBz?= =?utf-8?B?bDRHK0lUYkduL0s2M2xuRkVpYTZ0MThiR2NjcWJQTG00Rk0wbFVLUVFBUjU4?= =?utf-8?B?U1R6YjZDMVRnL2VqWU0yMXhVRGt1dGhXYW9yTkRkTFBvNW4wTGZSNU9lMS9Y?= =?utf-8?B?NjBGQ0FxSXFUOWJwOW1GT3JiSzJRMmY4ZlU5ZTlDWGV3ZzY0clY1VXIyQmhp?= =?utf-8?B?dWRha091TSsvZ1NyTG1uS2NzdmN5eWgrSzl2VkpwR3lrblJSei8zVDZLa1lr?= =?utf-8?B?N0RhbU5GcGk0NE1mTThFOVpmeVZsNHdYK05FQitHaS90SU1RWGlWN3JvRlRy?= =?utf-8?B?a3owT2RGWmw4S3BKTGE1bW14eUEwMDhUL1M3cHZzNTh2Sm5jOEZIcUxuZ1pN?= =?utf-8?B?YnlVZVJuS002cXYwSlR3UWdYODU4TlRNbFZPcFhrNUsyWWhyeW9EN2lZT3Zi?= =?utf-8?B?OHFRTEMvNUJoWCtCRkxaU2NvUklKVjc5MG85V05sdExLcUFEcC9yeW1VcldP?= =?utf-8?B?NWVXTTBHeU5tdjZXU3JleFU1UXV6elZFR2ZiTExPNW9NZTJldDlmMk9QTEtx?= =?utf-8?B?U29HUUptaFA4Z1pEZURMMXZJNzBVY3FFN1UrOTBDZ2syS2lydVIzUUY2MjZX?= =?utf-8?B?YVQzVGFMdm9LeWlNalF3OElBemllOHoxbElkUFJrT1B2eElHZlE4V1JpVm54?= =?utf-8?B?dDB4Y2VmUVYvbm8va2ZCT2pPWWg4TWNtVlN4cG5ZQzgvSTNuUHFZUEJVWnRV?= =?utf-8?B?Q253c3NwcTdmM1RCdzRJR3ZldENlMDJQYklvRGJiOE03Vi9VSHBJY2g0NkJm?= =?utf-8?B?Q2YyQmdNQnRhYUtTalVzQ0dWWEFKYXVlejQrWkpaV0pud2RvelVHcFRHSVBJ?= =?utf-8?B?SjdxOHVOcElURldWbUNRM2tMSk14NXVDU1laUEJmU1pkSEhMVnc0SjMvNVpj?= =?utf-8?B?d0RLR2o3VEhLMCtUZVJkUFo2eHk3R1ZUdFpyTHMxQm9BQkFoeklyMElsQmNY?= =?utf-8?B?bThMdDdUS0xFcTJ4QUpRMVdtS2lhbWZDejBhVU0ySVNtN3hLTzBPOHg1UDNI?= =?utf-8?B?Q3d0dUZTeis5SzB1MGZIbWlIZ3lLMjV1NDBJcnYxM0JMalZsL1VPZUlYTVo2?= =?utf-8?B?QWpnbGpjTXBsY1dUSkJaWWEvU0k5NlRibUpCczVjbnhkYUQ4YUNvVC9vcVZF?= =?utf-8?B?Y0dEZVVqaDRlZ0VjSEpxNm9qSC9SSzVpNGhEeGM2TkNBdGgzcFptaEZ1YUpY?= =?utf-8?B?QUJoVE4wUUxsNUpMd3JQeU9XZ3M2Q3g5MFFDTmE2U2Z6cHpCY2o5YWczRS8z?= =?utf-8?B?UEpBcDhzbEZ6REtNVU1jb0wrUGlhRjA2R0JUTkJRNFd6bFhBQm5hOFVRZkdr?= =?utf-8?B?aTVEWVozeXlGYXdTYzJYcHJTZFYxZkdrK0ZWUHd3QUw4czVPVHZTOVo4RzB1?= =?utf-8?Q?DfhUi/?= X-Forefront-Antispam-Report: CIP:4.158.2.129;CTRY:GB;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:outbound-uk1.az.dlp.m.darktrace.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(1800799024)(36860700013)(35042699022)(14060799003)(82310400026)(7053199007);DIR:OUT;SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Sep 2025 08:47:12.6769 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1b976d57-1d48-46aa-1640-08ddef7d787e X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000042.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS2PR08MB8904 X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 9765BA0008 X-Stat-Signature: 9m93jt5str8fbtymp5q57qwkr4sweezh X-Rspam-User: X-HE-Tag: 1757407638-48862 X-HE-Meta: U2FsdGVkX197AjNaqfF6k3IfwdwPQYHtadOyZ6yXIQyAMW12WGoRRq8/d9vp5634kSvAMRr4wKyIk5scqWpRIjRIjhz86bw4HlSYtgSvgb/DS0CeW7Fo9NGzXYxl5/tsie23+jAnGpSj/KbGn3uQbxc+qQVgKkqNaSwliwrcDycsbbUCoHtXANk3FnCkWttXUst3lnxzaNR+BEBENUmBiZj3e5VnMCZMpaptjh4piLwnuD6RAzN4hYB30nl+h1+tLncx773vr/xAiD7GYK9jN1YrbZ0rLqdw5x1B1wl8X5EnHF9LpF4FdvT3n9ET4jeLJJ5E8kpwtXv2NZOAOLY4kxKzgrdPV5T/W/s6zl+yLOiuEaOEymexpTCFd4BBvNYz86llPlseQgYCtyKbIUKV8DzGDwndICTDWbq+xwhzEPM4AaGSnlBvmKAFHjrUiQbqKsBdA/DN8zjFuJaCu7cuRtYXN5OCUQ+wI28myrRuHNdwKbnaUt2evaL+ow/YYpnTzl7QQDI19OmW23ZirVYDwGTeNnaGRZR/688B1L52nOrB2W3U2UN76ZFcbUNcBK8usa9NiXYrajUcitNxxroOoGV7YSGIN6jYX9U/RVANyxxhh4R6OHwfwg+7oMD4FaRMxySViR9suDkWDLU5TFS8kU/O2f16ZZGHn7ZkVyzkHuv9F4kVzUYMxZVZhkWWUoVELkyThn4ZD1sH7nTxnA3s8cf/5qgvBihq+FBht1Qmeo1JAAQKe70Kda1WKygG2JEjX6AX/EVRUaaHo3iRdR6rmr681ytdM3zUI23QG5WCwPpVeWc73E0XUzuy5uDJvYMttaRKqGVSxFwQ9zP1YSTxc3HzEM5UUk3/w3jJnS0ywQkSq0PR4waWjstNsh45qbCiM7FMbSx8Rxa/aZCg/iwyHNL1iiT0d+4gMblSI/9Y5BqBcGaRKYj/F1uPCEQlcXjrFzzYQrxRmBr09mcQcjC SeCrSlYd 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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 09/09/25 1:18 pm, Hu Song wrote: > Use folio_nr_pages() helper instead of manual calculation (1 << order) > for better code readability and maintainability. > > Signed-off-by: Hu Song > --- > mm/slub.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/slub.c b/mm/slub.c > index d257141896c9..eba25461641a 100644 > --- a/mm/slub.c > +++ b/mm/slub.c > @@ -2719,7 +2719,7 @@ static void __free_slab(struct kmem_cache *s, struct slab *slab) > { > struct folio *folio = slab_folio(slab); > int order = folio_order(folio); > - int pages = 1 << order; > + int pages = folio_nr_pages(folio); > > __slab_clear_pfmemalloc(slab); > folio->mapping = NULL; I don't know, the current version is more readable to me. We literally compute the order before, so we do a simple 1 << order. I'll leave it to the rest.