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 C2A7DD4A5E8 for ; Fri, 16 Jan 2026 08:34:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 030BD6B0088; Fri, 16 Jan 2026 03:34:13 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id F20F66B0089; Fri, 16 Jan 2026 03:34:12 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DACFA6B008A; Fri, 16 Jan 2026 03:34:12 -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 C53626B0088 for ; Fri, 16 Jan 2026 03:34:12 -0500 (EST) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 4990F8C0DE for ; Fri, 16 Jan 2026 08:34:12 +0000 (UTC) X-FDA: 84337164744.21.50AEACA Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf29.hostedemail.com (Postfix) with ESMTP id EB218120009 for ; Fri, 16 Jan 2026 08:34:08 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=cIRyyDdu; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=bx3JtzeV; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf29.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1768552449; 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=1crnPNlqRx19lL7D6g8r3vQ7+sbSKTe9zo0ZRmaOGd4=; b=F96I6Fl7bcZiwQqoRMWzLhZYC8wWHLgFcuEyS+iwxJtrZnOvKxKrbZQgW62R0B3nGLU2TV pJawaCnGZ6HwGAtEFKxdI1qv1nUkza3YzvEYZfOpUd1rea/m3o9uQKt6kblre/trPuKQkq ogN2rFFUukh4T2KoPV1VgLJPSS69wTE= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1768552449; a=rsa-sha256; cv=pass; b=ujnHGSiSvgTvlpDFAoK0bOzPrfO8m4L7A4LyqkMOvHViJyCfpudfUC1tPXsG1qdY85RLLF vXXauiw6HdpFAPa9arUFq640hop16+F3cZz4PGrMgMlFbAI0o6KxZa0T3E3dVLO2SlRNVj ZypizRVjKF+vWAboJ77lna5JBb72jsQ= ARC-Authentication-Results: i=2; imf29.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=cIRyyDdu; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=bx3JtzeV; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf29.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 60G1fdn71971956; Fri, 16 Jan 2026 08:33:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=corp-2025-04-25; bh=1crnPNlqRx19lL7D6g 8r3vQ7+sbSKTe9zo0ZRmaOGd4=; b=cIRyyDduaUnp0BCVT+qqa3S1Oekkl5GL4Z O3MxZtaqUc9RifJEE29tVZvwOsAXq/6MIbAqtPzlQ4lW9F/Su599dLmEddzGu/tD 5ZtNj9G7nS+k8eKhrFSMLj3mGG8Fb9EB6DY1Wwi2YmN8zVnMWDM0q7BnxKhcKuhL gnvAmEE2oBksQ6VRcpM/v2TpVNsOFjL69yXmt1MP4WBOKL7/i1S+9RAfpj5P66t3 wCDPxNN4CP4B6CktbbnUyPwFctNHSXWVzr8LbT9h2ww3ZfB0Ul6wrCqtUS900t58 UXMzFwPRndmxlu+f4C58ciu9hQ6lFo0tYpUpbS/9rNGmWRepX4sQ== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 4bkntb9n54-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 16 Jan 2026 08:33:48 +0000 (GMT) Received: from pps.filterd (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 60G7UXw2001857; Fri, 16 Jan 2026 08:33:47 GMT Received: from cy3pr05cu001.outbound.protection.outlook.com (mail-westcentralusazon11013030.outbound.protection.outlook.com [40.93.201.30]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 4bkd7cmhbg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 16 Jan 2026 08:33:47 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=FfVY8U9HsNIcFdOb3m5AIsZv9KvxnOT964BHCkBKl0czLMhpYW2ElZK8rjsxZLO5Mi/qzCbmWrspWEqBs48tzsD/BYbGMRWAFAdU57URou6oa+fhWUVJT7mCVhFVw+u2B8ObH9dzyyCmKRqZ9BoYv+jreByan7mxDKJiwyfiJqWnUitVqjmB99UYIqrS5AcnhUtM/3PpNH7IuCW2ULOlp949hpuzDo7Gg+1TOlA+zkeQ/qFAFKQj9ydsCk+msakdCG1QBBoasRiSwv4qLCh1hdro9B8J+0pzfO8pM+jdS4A+DJTSmRgQJa95lgJfiGLXQiB1NVeF3anz6NOIhN0K2w== 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=1crnPNlqRx19lL7D6g8r3vQ7+sbSKTe9zo0ZRmaOGd4=; b=PMu6AbCxbRYn2ugen3sbPd5lq9mBykif9RoQU0J1Ty2GooQNUHqNxGehbgVVu5z3H/UNqo6gjILLm58j7CJ76G0FGuwpNa7zlHjv1hUzCjWVZd2e8T9HGGRNBeNYdVDjs8/qsFLbBBmUH9NMq/dgBYX6yJmkSfaa9S7SpPH6mvjcFEDPI+eoYwFYlgupuRbakTsx5iWnZpcKwmhRbCWny/5ozY8Lwdnz1Zxvo0To6nFdIPB9mlkfPI3tnIOTbgkSCe689hkR0x6nlhoMZOxfRvD7AXy3yc7PBsCG3UpFRqW2FFQLtWLT/VcssCsu3StN87vBakmOt/dMIPNhpz9Mtw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=1crnPNlqRx19lL7D6g8r3vQ7+sbSKTe9zo0ZRmaOGd4=; b=bx3JtzeVvEHm+hnmJ6b0TmvYdjIn9OnhtSuoQyy22rlBAYg6vUirZ8WXMs5y1wvVYwsEI2dFJk5Ej17E/LA/nPecW/QUlZrdQQA5r0fLdOQFZeWIkBuu1p5kvRAHJNeQsTvhac4MoCer9CEYJ1vJjHkP1u8nVvD6LaXqUoSyR34= Received: from BL4PR10MB8229.namprd10.prod.outlook.com (2603:10b6:208:4e6::14) by CH2PR10MB4310.namprd10.prod.outlook.com (2603:10b6:610:ab::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9520.5; Fri, 16 Jan 2026 08:33:42 +0000 Received: from BL4PR10MB8229.namprd10.prod.outlook.com ([fe80::552b:16d2:af:c582]) by BL4PR10MB8229.namprd10.prod.outlook.com ([fe80::552b:16d2:af:c582%6]) with mapi id 15.20.9520.005; Fri, 16 Jan 2026 08:33:41 +0000 Date: Fri, 16 Jan 2026 08:33:44 +0000 From: Lorenzo Stoakes To: Andrew Morton Cc: Qi Zheng , hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, david@kernel.org, ziy@nvidia.com, harry.yoo@oracle.com, yosry.ahmed@linux.dev, imran.f.khan@oracle.com, kamalesh.babulal@oracle.com, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, chenridong@huaweicloud.com, mkoutny@suse.com, hamzamahfooz@linux.microsoft.com, apais@linux.microsoft.com, lance.yang@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Qi Zheng Subject: Re: [PATCH v3 00/30] Eliminate Dying Memory Cgroup Message-ID: References: <20260114095839.eabf8106e97bf3bcf0917341@linux-foundation.org> <0a5af01f-2bb3-4dbe-8d16-f1b56f016dee@lucifer.local> <20260115164306.58a9a010de812e7ac649d952@linux-foundation.org> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260115164306.58a9a010de812e7ac649d952@linux-foundation.org> X-ClientProxiedBy: LO4P265CA0006.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:2ad::20) To BL4PR10MB8229.namprd10.prod.outlook.com (2603:10b6:208:4e6::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL4PR10MB8229:EE_|CH2PR10MB4310:EE_ X-MS-Office365-Filtering-Correlation-Id: c7a3c3f9-55a8-4847-6c92-08de54d9f44d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|7416014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?ibP+31Pg6bfGy61FCGdL4tGgggIntI0m1gORvu6W5BhiROffPAoGFxsdQFuN?= =?us-ascii?Q?NhgXkYLpjNzAAExmA38O3QCqc1ROxHBcSh/CfL0h5aReka329FhOTnJkafxu?= =?us-ascii?Q?ulsadOLL5y9xtFxAHEgBpPGBwVPbMf3AoDtNmGXB56dP6Eg8Z6xVugKXh5Jh?= =?us-ascii?Q?LBYrrD7gHZ1X4/SXI/D5fnG33O0DrVkZH1a9sonkZfFVm+8Yb9MyEu3dH7ji?= =?us-ascii?Q?7RFKuiAOHEViNiHif+BY1f7ZPS50olOU2I5ZYB/dHOc1wC2/hCh4PMqC7ZlY?= =?us-ascii?Q?bFh4gWShQwqfJWKh/Elw6tIY2DPNyeeealhzraJtqH6OwppyhAsAEbcBmddS?= =?us-ascii?Q?4hGfWIAHFVFkJU/QfHlTJnUwR7Ra7197YKs7N+Brh89cQ6iDa8MTAGTChHoV?= =?us-ascii?Q?CymITXJC8l+S1D9LLxkGFTzyzeBRgmyiq9FUGuPJcmXUTZCRjO7S57o7xdwY?= =?us-ascii?Q?LX7LQkywIWiREJFTsWf3Hq7M+eoV7l/JuBiP21qrn7zrXTFDK8PP+kulrYwt?= =?us-ascii?Q?vFywu9Fgy0KpQDA/TmGq7mwwhDoeE9hk0Gq9w2zyw7Of7zNXEQbQHAZl7u/H?= =?us-ascii?Q?rXw180v5PEYYLVdZvncTOHfkkZ5ATMMaVblTAGUwVp5RYPgQLQrNTCy3hr2d?= =?us-ascii?Q?nS/xupGRahFmFQTgAet//i12U99N4xuh4t79cZNy3nzYKjoZJnD00qEftFCo?= =?us-ascii?Q?T6aX5d6uGMOmE7nBfLIjvRf+kNfX197HDDhGZX/QsNpBcEVw/Sw2JrWvxG11?= =?us-ascii?Q?gwUsS17Q8fUyxuUkpsYliVhgNz3pAdsbtdzeQKBRvMG3iA4Ct3Q6pdC9Xwa4?= =?us-ascii?Q?h5Lr6kRDmkMVgEGAVMH0dZC7r2/4G7yAbhCqmoEH3zjh3dXeoW5tySb48IKs?= =?us-ascii?Q?p1wWrUPSKD9z5ddqf5S1+i99HqULSy5pk1f5zPN/uotl0MtTrYhLoND2XwFM?= =?us-ascii?Q?bt3lrRTbT/6N8Zm4IHiQ8DXZCDtrYeNcWNY9o4dn03hMS/L+b0CyVI2vKWtj?= =?us-ascii?Q?ydjB6+0Nht5VMiNdF3VEI+70xo9wdYrgtkUfF8g9Bpu3PjcPlt8YUG868CJD?= =?us-ascii?Q?ep+VGj/F5EEdtWAJQvjQk+Gjb+DLeKb32O7e48fmZX2AVD2QL0nRgt8eVo8s?= =?us-ascii?Q?95PxdL01Y7Zd+V2cXHnJ2dmIwbkfc1U3C4B8YJRAL6WR6zwvMb5b9S3X+kO/?= =?us-ascii?Q?SCHVnhFY0GIe8+qOP60J0iSs3u0d8Fx8+vs6AnRpXHPi1KC+O8SuAZ4hShI4?= =?us-ascii?Q?XsUr+NoU77Fbo2wWuUC2xsndgZOlYh1CApCCrt2DUzkE/X81WpfcH/+vbKKd?= =?us-ascii?Q?bJowEoVqVXraPyjl8CHeHJtcZdhw2WpH4r9LUnHeNmP3XpVEPy9PA2B8Jcu1?= =?us-ascii?Q?+nb8Dk8pr6qVWQx76NN5xbUD6T9UdBptjGH/6dS9DTIYRr6CGkjjXMZiEdCU?= =?us-ascii?Q?eWS5tc5JMx0Lz4hqGv/Znnyd0G6gKyqVbcFfR4W/+q2R8ySU/i6aLZtFOVJe?= =?us-ascii?Q?Q6zMqLsg3XNcU14LUx2ACXB0YOLA2ih+9MKD4E4F6zs37qBpWq1K0PRDRLep?= =?us-ascii?Q?2Yb4XC5qd5q4QzFXXLQ=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BL4PR10MB8229.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(376014)(7416014)(1800799024);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?wCqc++r+pWrXX11GgUB9aizNfiKYXzoFepyXG6RhY0NHJ924w2dIeb1lw5BH?= =?us-ascii?Q?xlkstuWOvWXNgiMJnV35y0M0P/HLjw2zrFaH70mtySt/oa7kN7lE1WR33yDA?= =?us-ascii?Q?d0c8MMdiZuChyeeLG75Gg6QQa7zPBoJBvJSBxeZLUrgOtgG6PRsdd3p8DiUX?= =?us-ascii?Q?1Xsjt0EYQrXNev/QvV6hNVEdJQJsrJ61qiIyh0HWn5v4X6rBtiW15d9krKTP?= =?us-ascii?Q?WeFxFQGLut5miWB3x3pfDd+q3aSyCD2Mnm5uZddQt1ekfUg50rXSrC4sDiTc?= =?us-ascii?Q?rziAgn8bMzveYMgtEWefO0ElmtLHc2t0BEfpZ1UZEwBk4arqRKNcUoS0QUp7?= =?us-ascii?Q?x7PXLaHXqYjddxxSua5XcGNPqvwidQ9/seTuymSkOd9ktGZ0dH2ZOnsi92E9?= =?us-ascii?Q?7gzSQE9qOnU2qDlAoQob3wOVubpZaxTJUK2qSsmP9mQBGcp3iqbJhj1CFglB?= =?us-ascii?Q?sOGCmX33Mt0efW/5Rm4DWcEf0qGbSqKbBWanIAwBdWoEsmi41siyh+VQSamP?= =?us-ascii?Q?gWMz48nCImP81kw080P10NzcFC8qaWWKfLLEozd8bJuQFfz5w6GO59g/LTK7?= =?us-ascii?Q?c1jRGBItb2s6K6VQE2Rtuxc6aCUs8C2wJB24iO/6iODAC+Rzxs6wM3N6GyW2?= =?us-ascii?Q?aiJkZ6VCy4nshDG3q2fBGlUtMzP/dgkI1A0FxXKGPr6Rj3/aU+shAAxSluxx?= =?us-ascii?Q?yvkC9K8K9J9E4bEJpXKgZQ0Sl5LN7akwWZAxqWd+0eSYjaXoABuTascijqUV?= =?us-ascii?Q?4aDKY6VZJfLcsSABGWo5jJa+Zubn4Ym2fKj4sHHORzx0NsTMcKZxklnIqCTz?= =?us-ascii?Q?U7XWICX1vzLe5UA9uJ18Y9/DKZBOrsXMSW0Rh/QV7k5mmcDTPZGGOl1fqJjB?= =?us-ascii?Q?EmSvUdzW/+NEOawvIHT+ls9rEiGwYSIUDGpB80sKk6LJlu56jUWIyCWrua8M?= =?us-ascii?Q?UYuZPqhEffaocuqWZFFbZGNjrsugS5f6LCc+BH8ZSqrJXciMukFafwNVrV3O?= =?us-ascii?Q?C7IlJfKhrVGdlbo2YpveFTzEMXKUCQJxZ/H+KwswUoBOavWtGaK7Ev/jSukN?= =?us-ascii?Q?b5z74AZysn6+TqxjN9frJNeV9ML2C5Q/5RzTaql8m+IWDR/+u/ElJjXW25Vw?= =?us-ascii?Q?pGesIoxUdgAaeeBjfoAftC2PbOkQTeUnZWo5c/CIQG1JISx+Y+lW9DKFJP7M?= =?us-ascii?Q?PZyBYtlQo+M9ihesB5OuK3KWOtM5FrOMgA0ZPp6iAfVpFCJWd1cl8OiQGnue?= =?us-ascii?Q?wgsfXIELZMNFejLn7M1WO2D8SqlQtLaqZ3gaMNYgvLh92TPmKgtu8dXrLP85?= =?us-ascii?Q?RbRhudZxTRrDQk4dmlcfzYOmAzHnev7M20k0SEajog98I1V+V2GHkmz1RdVH?= =?us-ascii?Q?8LES1QVoSsODgAoaVTiJIrC/w274yfVnEDuHZShYtCzuXQSdY3VN+JxZ9OWr?= =?us-ascii?Q?UFJlfljmXukxYlI8VJ7Wf859HngN2sqP9CxxobVUFBwvo6GhTkjSXFVppajL?= =?us-ascii?Q?9dKj2vxDq0/zzVX6hHHmu59d4sScHB1O2ZR/3+BHNpxbxULrXJAkHM1tVlgK?= =?us-ascii?Q?B9645DpK2vTcLR6XrWqwHcirEYscM6r4+TfkAlgYiAwogU+ECUz+dXCrL7Jd?= =?us-ascii?Q?9ubY7xBn8O+UxgVIM1NO8+lAeXt8XEeuIGXcTqJ09frt5/AkMYz5ia7nA/6V?= =?us-ascii?Q?SZzash7X4us+T9xiJHTNfTbDyowVm8mxg0DO08Qiil2qcyhg0KNJMydTgj9j?= =?us-ascii?Q?ZgvxBzQGNvoEL3Z19O+d4W+iDbGaWN4=3D?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: c7a3c3f9-55a8-4847-6c92-08de54d9f44d X-MS-Exchange-CrossTenant-AuthSource: BL4PR10MB8229.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jan 2026 08:33:41.7402 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: BTjWKHDoRZRGNKHSk2gFZpV1N32YGwK/2hYPb5mZTknvDt8TdUP7yrrRMeCmjqgs7Q38g4JlQV+SMtMLvfGInyR0zyjseibHiX/LsUPpjAI= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR10MB4310 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-16_02,2026-01-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 malwarescore=0 phishscore=0 mlxlogscore=999 adultscore=0 suspectscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2512120000 definitions=main-2601160061 X-Proofpoint-GUID: Qu0Bc0uhHoNlpA9iqTVYHFoxPYpXfhhz X-Proofpoint-ORIG-GUID: Qu0Bc0uhHoNlpA9iqTVYHFoxPYpXfhhz X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE2MDA2MSBTYWx0ZWRfX2pV4g4DWznJR MZe8QXNNvAFUzPeY6lGYLCi5CvDAGCXAYhugEki/qusvFweyov/Wd7JRcN0+g6k/g4ZfT10XM9f hDkes67le+DjwWB5+wpSLzxtVehreQhRTY7gpPvNJIEolB5DRoUyPuXbOgozGQBj/P1PqZWVtkr Ok3z1mn8FaiomaJwm2aeuW0qwVFQZDPaXu2mv7okJQBmUawq9uhSL4Gx+EWMDioZRaDrV7O4b+F zHCSXMXXJhv4fBZhWvJ954E0wKpDXqqkKBZ7VOYCaEacOUsUwRUWeG79l9zdHcVlXdgS0p36Lq5 TOAG+zcVQMmiirSokKoQNhcPt4yhiEvQbbQ6DZSXJJjdmsFPQ5zCHTQkv9oUki5RZbSaV+9gj+I 5Fht6Nu5p+r8PLmRKiHEH5VpqDMPGzhZBhFGtX/2QW21BCVjbk9y0cMD+Pn6koIbOhYmfGVthhx GTlVpogzi4sCt1s7Q0A== X-Authority-Analysis: v=2.4 cv=fIc0HJae c=1 sm=1 tr=0 ts=6969f7ec cx=c_pps a=OOZaFjgC48PWsiFpTAqLcw==:117 a=OOZaFjgC48PWsiFpTAqLcw==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=vUbySO9Y5rIA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=yPCof4ZbAAAA:8 a=ufHFDILaAAAA:8 a=VwQbUJbxAAAA:8 a=40unvB24EiYzUw0pFucA:9 a=CjuIK1q_8ugA:10 a=ZmIg1sZ3JBWsdXgziEIF:22 X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: EB218120009 X-Rspam-User: X-Stat-Signature: kw3ztumwagsts5h778jgycdxazkoe933 X-HE-Tag: 1768552448-205943 X-HE-Meta: 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 Y3GhAtGM 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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 Thu, Jan 15, 2026 at 04:43:06PM -0800, Andrew Morton wrote: > On Thu, 15 Jan 2026 12:40:12 +0000 Lorenzo Stoakes wrote: > > > On Wed, Jan 14, 2026 at 09:58:39AM -0800, Andrew Morton wrote: > > > On Wed, 14 Jan 2026 19:26:43 +0800 Qi Zheng wrote: > > > > > > > This patchset is intended to transfer the LRU pages to the object cgroup > > > > without holding a reference to the original memory cgroup in order to > > > > address the issue of the dying memory cgroup. > > > > > > Thanks. I'll add this to mm.git for testing. A patchset of this > > > magnitude at -rc5 is a little ambitious, but Linus is giving us an rc8 > > > so let's see. > > > > > > I'll suppress the usual added-to-mm email spray. > > > > Since this is so large and we are late on in the cycle can I in this case > > can I explicitly ask for at least 1 sub-M tag on each commit before > > queueing for Linus please? > > Well, kinda. > > fs/buffer.c > fs/fs-writeback.c > include/linux/memcontrol.h > include/linux/mm_inline.h > include/linux/mmzone.h > include/linux/swap.h > include/trace/events/writeback.h > mm/compaction.c > mm/huge_memory.c > mm/memcontrol.c > mm/memcontrol-v1.c > mm/memcontrol-v1.h > mm/migrate.c > mm/mlock.c > mm/page_io.c > mm/percpu.c > mm/shrinker.c > mm/swap.c > mm/vmscan.c > mm/workingset.c > mm/zswap.c > > That's a lot of reviewers to round up! And there are far worse cases - > MM patchsets are often splattered elsewhere. We can't have MM > patchsets getting stalled because some video driver developer is on > leave or got laid off. Not suggesting that you were really suggesting > that! Yeah, obviously judgment needs to be applied in these situations - an 'M' implies community trusts sensible decisions, so since this is really about the cgroup behaviour, I'd say simply requiring at least 1 M per-patch from any of: M: Johannes Weiner M: Michal Hocko M: Roman Gushchin M: Shakeel Butt Suffices. I am obviously not suggesting that we require sign off from _all_ sub-M's for _all_ affected files, and then some changes may be blurry. For the most part I think it's usually _fairly_ obvious which part of MAINTAINERS applies, and in cases where it doesn't obviously people can be pinged for opinions. > > As this is officially a memcg patch, I'd be looking to memcg > maintainers for guidance while viewing acks from others as > nice-to-have, rather than must-have. Yeah agreed. > > > We are seeing kernel bot reports here so let's obviously stabilise this for > > a while also. > > Yeah, I'm not feeling optimistic about getting all this into the next > merge window. But just one day in mm-new led to David's secret ci-bot > discovering a missed rcu_unlock due to a cross-tree integration thing. Yeah and that's not a big deal, things can wait a little while esp. the bigger changes! Stabilising it is more important :) > > I'll keep the series around for at least a few days, see how things > progress. > Sounds sensible! Cheers, Lorenzo