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 5C666EFCE5F for ; Thu, 5 Mar 2026 04:24:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 392606B0088; Wed, 4 Mar 2026 23:24:46 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 336786B0089; Wed, 4 Mar 2026 23:24:46 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1F7DF6B008A; Wed, 4 Mar 2026 23:24:46 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 0F60A6B0088 for ; Wed, 4 Mar 2026 23:24:46 -0500 (EST) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 971BD1A07F1 for ; Thu, 5 Mar 2026 04:24:45 +0000 (UTC) X-FDA: 84510718530.07.5B45245 Received: from YT3PR01CU008.outbound.protection.outlook.com (mail-canadacentralazon11020112.outbound.protection.outlook.com [52.101.189.112]) by imf01.hostedemail.com (Postfix) with ESMTP id BFFE140005 for ; Thu, 5 Mar 2026 04:24:42 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=efficios.com header.s=selector1 header.b=Z4f92oRi; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf01.hostedemail.com: domain of mathieu.desnoyers@efficios.com designates 52.101.189.112 as permitted sender) smtp.mailfrom=mathieu.desnoyers@efficios.com; dmarc=pass (policy=none) header.from=efficios.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1772684682; 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=Q+seJ95qpZWk8QmPRVUtwi0kFjb940k/5ybpYryRA6M=; b=T/YkI1PGlziwcgpm7vN/7HLAT8LcJKs5ozfpGSATt3GL0urxgF3vCQpXYhJXKR/tCuWgn0 lwrz4JAJ7MVxO4QeHk857pclL/50psOwtxToYKtcoWEvrFVRdA05GstNMMpprZMnN24Wnv +AQIV7aH0lgVAYuJYpsZY12t5IC35GA= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1772684682; a=rsa-sha256; cv=pass; b=IkY25W1kpddvZkDccEH0nwNl1cv7fqRA/pvv1B7vTA3TQJME5LOEwm8edy96+EJ176My/8 QqF/BzdzWo+yVzClrORJoF64Ijq9bgUQd1YWTSuF8eeQ2jEVIRXthvT3ZcEEnxvFijLbD2 KuDy/EVQHiAQkRbTzucz4kzMMnBFAvI= ARC-Authentication-Results: i=2; imf01.hostedemail.com; dkim=pass header.d=efficios.com header.s=selector1 header.b=Z4f92oRi; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf01.hostedemail.com: domain of mathieu.desnoyers@efficios.com designates 52.101.189.112 as permitted sender) smtp.mailfrom=mathieu.desnoyers@efficios.com; dmarc=pass (policy=none) header.from=efficios.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Lzd611SQ+/6/QjxZxiJrMxkQLhmnLMegdcNVvK6y+xMMHdP2GnGENGgHgLMNZCuNz8oImvHAZvxtMtDzB/ne3+AUlIkWt9GieTmvhveQe+lArmese/o65va5sSCvdHgIl15ZpZ72cu6UXrYUixmGnYQW/PJpzyGjgaSOy5AFZrVPoGxX0IU1ItZkCK2rYZeVDdf3kQYJUXkFYKNn5KBPU3rnL1F9wUOTUd2RAvrie0KNiS1ESJnn9npL/sOHEfWMjs+ls8rTzW2QhTWGILQRJh4xsbSt9vt04sq0S0rad8SbUk8jmcXW+cnRZzfXMQXeZ/XZY4fYRFWvX/+tUumlmA== 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=Q+seJ95qpZWk8QmPRVUtwi0kFjb940k/5ybpYryRA6M=; b=ynh4t6eJUsAIOwfwGedWM6bySIoo7I4ejvxj4/wlpmIDbTVmPxwOVZrWdUO4VrJM44f7UXok+LyAY+AIjKHooN667yGzZjucf0Tv2niVQnrx6YURVzdqcS6DN+JpFyWxy7aMP9RaGovusrlYPfeQM8ycZqidCmcWT86mDtd5gdhK2itkYJ3TbpZ6CPVl+k/lvfz8xm2DngSLYBqTmVeDnAM6K5yCfJYZifkOvKXnPcSOGHgA+7frdt5Hn6cdLEuDcNoMVOyoCtmnt2MRs2OZ2fvKdoF3WR4ngLlcZ4QSbwsFjdiODSHWxF/Ro5/y2a1iO/TgFFxOzOjj3LYVPeYN/w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=efficios.com; dmarc=pass action=none header.from=efficios.com; dkim=pass header.d=efficios.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=efficios.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Q+seJ95qpZWk8QmPRVUtwi0kFjb940k/5ybpYryRA6M=; b=Z4f92oRibpXGIub2i8oDDrkHnnqCO/M+bvy8dQEi5c33zXZASeSkUHrZ4qd/RtUtOC8KvC1Kd65jR92Nc/aOnPQc1QKwQmeS7IlXJ6keTHP8VlVVDsd1W2IAQzMJDIQyhVPsWlVg9ayjPrkG4h7v5BbXAXSAuJ6e2/jptlbD96Wq/A5sKZU2Liq/mOrXrcn+zLgIn4QjgxHJOpDKV1PQcDHk4jHCAj7W5YRKKfnkmnLdbH0K4VDdh3L0S7ol8qBkkQ9lkTK8jAFpeRaPeN8gRYEWBUghuXCj511UMJmhTGz1QahWJjaeoFYf1MXBk3Prz36CMEsmk8p0TnJf27bZrA== Received: from YT2PR01MB9175.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:be::5) by YT1PPF7BABA26B5.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b08::554) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9654.22; Thu, 5 Mar 2026 04:24:39 +0000 Received: from YT2PR01MB9175.CANPRD01.PROD.OUTLOOK.COM ([fe80::6004:a862:d45d:90c1]) by YT2PR01MB9175.CANPRD01.PROD.OUTLOOK.COM ([fe80::6004:a862:d45d:90c1%3]) with mapi id 15.20.9678.016; Thu, 5 Mar 2026 04:24:39 +0000 Message-ID: Date: Wed, 4 Mar 2026 23:24:37 -0500 User-Agent: Mozilla Thunderbird Subject: Re: [LSF/MM/BPF TOPIC] Ways to mitigate limitations of percpu memory allocator To: Gabriel Krisman Bertazi , Harry Yoo Cc: linux-mm@kvack.org, lsf-pc@lists.linux-foundation.org, Mateusz Guzik , Tejun Heo , Christoph Lameter , Dennis Zhou , Vlastimil Babka , Hao Li , Jan Kara References: <87ikbb1o25.fsf@mailhost.krisman.be> From: Mathieu Desnoyers Content-Language: en-US In-Reply-To: <87ikbb1o25.fsf@mailhost.krisman.be> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: YQZPR01CA0124.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:c01:87::14) To YT2PR01MB9175.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:be::5) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: YT2PR01MB9175:EE_|YT1PPF7BABA26B5:EE_ X-MS-Office365-Filtering-Correlation-Id: bd6ae61f-7c7d-45f6-b3d7-08de7a6f1dbe X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|366016; 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:YT2PR01MB9175.CANPRD01.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230040)(376014)(7416014)(1800799024)(366016);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?MjdmSkZsUGcyRjR2a1RJSUV3Vk1DTHhGclU2N3d4Z3B5eGtlZVI0M0ZiMm05?= =?utf-8?B?TmJtN05aL1hHdFhGZUU2M0dFcFlJbmR4YUs5Q01OKzRHNXlSdVdTY3hkNXk2?= =?utf-8?B?VUFscGlCVkxUYVM2c1hoOUZSa2hVR0VDcTlWV3loY2ozVmhiZXlTMzJEUm43?= =?utf-8?B?YlptMG5OdldtRThXdWhUUTh1eDNUWGp1ZUpiNTlWYm93K29LeWxlRTVPWmZi?= =?utf-8?B?cEdQcnZWR3Z6NjV2ZEVHUVZVWVlDMXp6MjloRE9tT2NqaDk0MXZoaU5PNXMx?= =?utf-8?B?dkFkVVV4ZHllZVJNMDMxUWIwWWNYMFdjeGNyS0VQclArazZXVHhnTGlOMVpE?= =?utf-8?B?anVKa2RzNXA1U3NneFo3TTZIYU1Qa0ZoVHpOSXJScWxIV3A5eURoaDFjTkxX?= =?utf-8?B?ZTVBRm4ybTA2d0krSE14aWNOQ2VLNFpuZ3RGOFUreTl3TWtTc20zR3M1TVQ5?= =?utf-8?B?VzUybENSQ01WYnV6WUw3SHo3TmNyQUZIUmx3VnlqMXNxSlc1Qm5hOE01TDZR?= =?utf-8?B?SE1kUGdwU0MxYWRBY29OVzVBVjhHVVY4MUNKUTZwdFFaekh4ZFBvRElySG1F?= =?utf-8?B?NzY4c0EwWEtoc1dkYUUvbzBGcnRyangxTjRrV3ZwL04xOHhZNkFDZnpKSVBI?= =?utf-8?B?VGdmREg3bjBiOXc0VGI5UzdNUGE0bmpIZGZHT0pRTWxweWRvOFdyOEFGSEUr?= =?utf-8?B?T3J2R0QzcWhXTTJ3NnVMNmJ5ZXJuR01kQTNnbktWUU4rbEZHTGJjMDlZQ2s3?= =?utf-8?B?eFEyT2VRQTFEQy9EMElkSzRuV25tZ1hRcjl3aW0wVkYvWHQwaGVQdGZnZy9Z?= =?utf-8?B?cGorV1o1ZGorUitSNVFJU21HZk5aVVpRekxwaWRERXBjUHp5SlFBYktpZ0hC?= =?utf-8?B?VUZ3ZkZkWGNPVldCZENqNUl2RTBCTmRJUTQzNWJta2lGdXMrTUUrRzVVUmdr?= =?utf-8?B?MGdVRUYrK1JBUE9NMml5ZEJLZERiK1IzckxoVW1yeHBXRjJ1aHloVFVGckdQ?= =?utf-8?B?ZHhnYVo4dXN5eDJ4a0lnU3JoTE5qamVYSFlLRTIyZDRKV0xMUG0zWERKcHZi?= =?utf-8?B?NGNjeGpadHBLNUJ1YlBIeFJ1MjArTEtpS090M2RDUlQvR2RtQTVVUzdEeEpF?= =?utf-8?B?Vll6MjI3OFVWN1lOS3JYdFJqOThmYkxNY2lVOEZzMW9saDRHSW84TkNDT2lD?= =?utf-8?B?ZHM5eW0yazBwWGtmOFg3UUsyQ0cwbk5nZURCWUhObU9TWC9yV09xeXpEME40?= =?utf-8?B?TERMc2FFOGVTWjFTWjFKUG5VMmFVZXU0R25qbXQ4WTNEeGdPTWxOV2hrdTNG?= =?utf-8?B?a2ZYOWRBMFZFRmNvbVA5Y2JrRmMySE1EOE9MZ01MZ3JUY2kvdVZwQUs5Wk9p?= =?utf-8?B?RHVMSWViejZMRVUrZ2EvZW51clhyVG1Mc28rTU5LN1k3WHZEWjh2bHNmenFI?= =?utf-8?B?TEFVaWQxUXUzL2FPdTZtM2N3NlNhK2Jxa2NtTWxDdE1STm0zWkZCUGpxYTlz?= =?utf-8?B?bUdFeVdrUkNsZEk4cU5oT3ZvUGJSYUhTM0pxVzM3OE9aa0R0ZEFjaWpYdVVh?= =?utf-8?B?V0tWRjRYQk5XaWRhSW9zNHFWZFFNRUNVWHpYK0JOTVRVdjd6ZnMzNVlCMS9G?= =?utf-8?B?MkQrOGk0a2xxVHp1c2pWcjJYaTNtY1p5S29NQWFpdm1BeUlRbnJvMkZkQzdC?= =?utf-8?B?bEFuaHEwNEpsMXJVaHlQd1N5UnFkTEl2S2J0V0llTUU0aWxERXllWEtjaWpm?= =?utf-8?B?NlZkNXVBQTFxRTJSL0NVVXQwU3REWjdDc1IxQnkvTEN5TlJEREdmTE9xcDJ0?= =?utf-8?B?Nm84VHJnMTZGYTBSU1VFMVdPU3NxYmpjaVVVQXF1bFVuQnhFMmdNUlh3bFFF?= =?utf-8?B?alg3dTM4ejlCbmVhWUJFUGlrY0xSZi9iamFZVjdaQzN2VXJMVERIeUVlSmtp?= =?utf-8?B?TFBkbmlKV1EzWUdHSHdhckthc3BRYVpMZXNHSUF2czNhR1BDMjMyUXF1VC9O?= =?utf-8?B?eVJhY0hhS1ZYcS9pUi9UVnFFZ3J0RkNGQlJndURjM3EvNjEwY0U4TkxWbWxQ?= =?utf-8?B?MGpGTmhRL1I0MzVzR2RyYm5VbnlvU21sQ0dPZmd0T0NKd2NCSmFuNVBoL05j?= =?utf-8?B?KzJsYzE5WlBVblgxbEVnV3hQZmVHeEZnaXYxMTJUUHhKY0JFa0lBVmpLMG5y?= =?utf-8?B?RitXR3YxdUxsNEFCVlhXYm9FQUN5Q1ZscGRmS3pPamJoTG5YWFBUWisrbkVE?= =?utf-8?B?MkduOGVLZ2RWZ3pxN2ZRRTFHU3k2NVZHRFNPOXZxVlRzbXc5SHZGQWVXRGRW?= =?utf-8?B?RS9YVVZuUkpHeERSMTQ0Y2s3NkpXVks4eCtYWGtYUlJvUVM5dUVVd0N4akhu?= =?utf-8?Q?xJ9cKYfl/6WgI7Go=3D?= X-OriginatorOrg: efficios.com X-MS-Exchange-CrossTenant-Network-Message-Id: bd6ae61f-7c7d-45f6-b3d7-08de7a6f1dbe X-MS-Exchange-CrossTenant-AuthSource: YT2PR01MB9175.CANPRD01.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Mar 2026 04:24:39.4250 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4f278736-4ab6-415c-957e-1f55336bd31e X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: K9GjKfggv+OGZdV1EJFq67d3O3INt0Mo8c8C7BEmXB8H7Oc+NiasH/E1/qJjRWMdXV8TcZH29uOXFl+CKyK4pAA5meI7lr1MLDI0KXsl2hQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: YT1PPF7BABA26B5 X-Rspam-User: X-Stat-Signature: h46na351hkc8ruioe8gn5prcyhzbkhkq X-Rspamd-Queue-Id: BFFE140005 X-Rspamd-Server: rspam03 X-HE-Tag: 1772684682-490434 X-HE-Meta: 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 XUQRatfr 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2026-03-04 12:50, Gabriel Krisman Bertazi wrote: > Harry Yoo writes: > >> Hi folks, I'd like to discuss ways to mitigate limitations of >> percpu memory allocator. >> >> While the percpu memory allocator has served its role well, >> it has a few problems: 1) its global lock contention, and >> 2) lack of features to avoid high initialization cost of percpu >> memory. > > I won't be going to LSF this year. But Jan was the proponent of my > dual-mode pcpu initialization work and he'll be around. I'm not sure > this requires a full session either, as it might not grasp broader > interest. Are Mathieu and Mateusz attending? > No sorry, I was not planning to attend in person this year. Is it possible to attend remotely ? Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com