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 D59BBCA5FBA for ; Wed, 21 Jan 2026 03:54:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 386F76B0005; Tue, 20 Jan 2026 22:54:15 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 3353B6B0088; Tue, 20 Jan 2026 22:54:15 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1E2786B0089; Tue, 20 Jan 2026 22:54:15 -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 0AB826B0005 for ; Tue, 20 Jan 2026 22:54:15 -0500 (EST) Received: from smtpin13.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id B652ABB3F6 for ; Wed, 21 Jan 2026 03:54:14 +0000 (UTC) X-FDA: 84354603228.13.9463E3B Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf12.hostedemail.com (Postfix) with ESMTP id 4AB0040006 for ; Wed, 21 Jan 2026 03:54:11 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=VugvcAwF; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=A9+0qQze; dmarc=pass (policy=reject) header.from=oracle.com; spf=pass (imf12.hostedemail.com: domain of harry.yoo@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=harry.yoo@oracle.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=1768967651; 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=PtnUkvyNsID69xalKUW4TGPjJCowZQMm05LsU0PmwJY=; b=PDW3JghT+5aWJ/KFzG1YBc33Nedf0e+jx18TeoV5ngmvDz8LvVJCvTKf87JICmd8422wh1 HVQRy7EpU0+9OvLFAsb9DqzHy3+4EQMwLR5h2HM+x7ca9BUfLF2OnhLnT4m48MdsLR8wFd U+dCrmuvxVnkeRB1wh/olaelviqI37Q= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1768967651; a=rsa-sha256; cv=pass; b=MhnPmUArRL7eHiJ70PMD7L4b5xBya/hgXlZx2gZiHzFDBWrSdpLhDcRdxqgyWk15MCq0dZ tNeK9fg6c8IWPLoLTDRDHW869u/Tq1/wZ807zzgof5xEO+bTrdRxnrNoG+vradhjggXZyh FR/2urZuFhLTmWp1v9OfwSiH9wc/Jns= ARC-Authentication-Results: i=2; imf12.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=VugvcAwF; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=A9+0qQze; dmarc=pass (policy=reject) header.from=oracle.com; spf=pass (imf12.hostedemail.com: domain of harry.yoo@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=harry.yoo@oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") Received: from pps.filterd (m0333521.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 60KIJwlf3265007; Wed, 21 Jan 2026 03:53:44 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=PtnUkvyNsID69xalKU W4TGPjJCowZQMm05LsU0PmwJY=; b=VugvcAwFweVmC5QoGOVoM+2Ea1ovYR03OG Do1bIc3mnp49XbvA1OsHenxrio/oBmUwZMWXvUVhrKY9ebgI1AGzyzGm2pOy5nau SO+teRl1ieRkVwz5YAVaMaBvSVWySH0oIi3xeXJZnT8tYBs8Y9P6Fv9d6quFKKOF Au9OSmpywAIFZJcq2ouRzsBOCAGKyMGLLJYcb+ezCgYt6EhNtOr093i9aMq1iR/F xwseNILGsXDsbI99lCoXPtGfXk1+oYiiEcEWoRsHycLZ5S0Le9MN43nFRvS7N1em B81EKrX5/pvnF90h2yVByxHVhQW8IUyN7TR2J98AzY2irqV/jUzw== Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.appoci.oracle.com [147.154.18.20]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 4br1b8d2gh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 21 Jan 2026 03:53:44 +0000 (GMT) Received: from pps.filterd (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 60L2tXg3032836; Wed, 21 Jan 2026 03:53:42 GMT Received: from ph0pr06cu001.outbound.protection.outlook.com (mail-westus3azon11011059.outbound.protection.outlook.com [40.107.208.59]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 4br0vee95k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 21 Jan 2026 03:53:42 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=GGjRO0VLSXQBM0PM3fSJZVZ/m4kXCrL71refrf5gcL/YL8yygo/DKMu8ZWSUDyymgoOMtE9qhmZsdWuTwVjANieECyv5hCvHO/kt3JIlZsQL3fm+sobS0P4r70taaPGQtOFFxf8aoNUzwpo0cPfvvGRJLNzZNDH5/RQPdQUBcLa00euEn6ZV3aJJcbiMy6PXeZ7IM05w9LiR/T0KLvWIHOut7PwCs3C8vKeXoMeqPDsPssXut06ZjnYvFdqrCNuszA34GLIOVTNisaMrZSHuP6F9eB3NvLoBgPdibwZPvjWZleGW92dVcDbsggb95iPR4PGJJKoT0v5/T8zzsMWYxQ== 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=PtnUkvyNsID69xalKUW4TGPjJCowZQMm05LsU0PmwJY=; b=jfNxhBkJrU9dV6/NAHQbCc1eW75CPb5PZzE5VW9uFCucuX/cF0Mjqb38c8W98AEvi6ysg1/OkvQi/mDse0SDM/ebO8DrYRlcA+3fS2mWzQuyXxepHTmV51PIG41d21znoYC8EZYbMmxhhm8sqOSNBPeOl5QEnTkb+wIoy1jPcT34jZmLeJ7jCRCNe5rSd0Q5GHHbUdk5CoawXXRMxeSvzSAhbUd0TmCRToAStvPp68qqB/xmAqCvfx9KV16vsp8omTQXXyhbrah1Dz70r5x2/y+E14hiDeRhUqBb4mDv7rlpFtmH8Hvk6EFSJ2rn0UwczepKXZPybW0s4zanSUtFcQ== 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=PtnUkvyNsID69xalKUW4TGPjJCowZQMm05LsU0PmwJY=; b=A9+0qQzegwU1C3j1ZJlblzoiWKFc4inkF3gih0r2EaoPbJJKKHfxE7QRRqBbyOjZXQlGBnOBdklKbzCguGd57H59NYew3Ll+KhODzYkv6/Qz+i1Cli7SP0zxZ+/L/uPqgM320cOOHT4DAQAXkNcFy3XVYtzFRbk7r6Z0zht5Sn8= Received: from CH3PR10MB7329.namprd10.prod.outlook.com (2603:10b6:610:12c::16) by SA1PR10MB7586.namprd10.prod.outlook.com (2603:10b6:806:379::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9520.12; Wed, 21 Jan 2026 03:53:38 +0000 Received: from CH3PR10MB7329.namprd10.prod.outlook.com ([fe80::c2a4:fdda:f0c2:6f71]) by CH3PR10MB7329.namprd10.prod.outlook.com ([fe80::c2a4:fdda:f0c2:6f71%7]) with mapi id 15.20.9542.008; Wed, 21 Jan 2026 03:53:38 +0000 Date: Wed, 21 Jan 2026 12:53:28 +0900 From: Harry Yoo To: Qi Zheng Cc: hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, david@kernel.org, lorenzo.stoakes@oracle.com, ziy@nvidia.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, akpm@linux-foundation.org, 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 26/30 fix] mm: mglru: do not call update_lru_size() during reparenting Message-ID: References: <92e0728fed3d68855173352416cf8077670610f0.1768389889.git.zhengqi.arch@bytedance.com> <20260115104444.85986-1-qi.zheng@linux.dev> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260115104444.85986-1-qi.zheng@linux.dev> X-ClientProxiedBy: SE2P216CA0018.KORP216.PROD.OUTLOOK.COM (2603:1096:101:114::17) To CH3PR10MB7329.namprd10.prod.outlook.com (2603:10b6:610:12c::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PR10MB7329:EE_|SA1PR10MB7586:EE_ X-MS-Office365-Filtering-Correlation-Id: 75b9109f-9af5-498d-0cd2-08de58a0a8ee 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: =?us-ascii?Q?TZORX2H/zTxopkM3JnabmQ1LYFOiFSfJd4P44kIeYdgOJcg6zJ18VGfLbSdX?= =?us-ascii?Q?Vd6/98B0e2GBspR0+begZt4RTEkIP6FcqHe1ykNnoEbhk3qIWmpxZVKlIl1k?= =?us-ascii?Q?z7g75pyHe3Rvk4ix8lZBJOawfTZoFis2ci4xqSxNNKsiMMAV2zBSg3r/fbpb?= =?us-ascii?Q?HgLHBgodZ7XZe7avz+Z6cGZLGPD2oY84WSCuIwHY/qISr7BNgb0QMVSpnkQJ?= =?us-ascii?Q?bRZukWNEjwabPMHE8ll2WnWl7KHZUoJAHVHnIUcPMnfDM8fNZ10Zpn3KWdwm?= =?us-ascii?Q?h6AV7E8SRP+11Mo6tTJym7y/ZsLInaPN2w8hPrJd0+wYyEAoqxTNLll3vG5H?= =?us-ascii?Q?q8r0q/cZLmMGZ7LPuSkeX3wIDB9WDSAgIUvRTg8z4Vg436f6d/IK1gifoDFj?= =?us-ascii?Q?eexNJfqfojE9FdGIijH8aw91yisrvBrxhjTa9c7xdJWemG16JyuG/bFEmpjy?= =?us-ascii?Q?xvWJ5Jsc3iWx5w++GKANEvEcmmdaInIzsoLXjEt2TseB9oos4MHr7YSJOidH?= =?us-ascii?Q?5Pbq7diwgQDgK31Y/gpEfPZRgnLovkKTDro8atl3rP7GXo7rx2WadhJnGbQs?= =?us-ascii?Q?/GArjqjqedVDSp6Ep976sh5Kwl8lphg+K7il5kXjO3+H722p57s8bHj5Nj8J?= =?us-ascii?Q?WCKu071RS1Vpiyrn9kLyej1/97TfNLv95Znhrv7otCfmAoyGfbM6p5FC3crK?= =?us-ascii?Q?PY0CCkrmW58MDA78pSWLzWgU7mm5Wv0xxhs8SNnBRd4kkdSCQGN+6elCazQp?= =?us-ascii?Q?TGh8WPl6qOsK3kKnVtEYo4909160Btz1jnpGzE1mQgW20VOFnVg97Xa5ceyo?= =?us-ascii?Q?ny9n7naOMyvIecr/Snpcv0zkFatBnjxMIOON7jqHe4+o0luyfVold/nXcp/X?= =?us-ascii?Q?V7gykE67zIa9ZRzsOHqPmYWc86NUfQpmiTs/rBduT0HMIqambM67UkMKqk7q?= =?us-ascii?Q?b03H6D/M1AMFY1M3tXtwYfKjH+8SzqE1bQdyM1MDNMDDPVVMTEMcepTGC2N5?= =?us-ascii?Q?8JBie2/CrBbAimgdFp9TtZ3xRbXxddvwH4/O3SeIVQTFlx1uM45k9fdQzRpS?= =?us-ascii?Q?VSQxCs8nSDzecQFtjmzk6mDnIpn9v/zkZciXqCzJK0qfWaODyufuDL84XdlH?= =?us-ascii?Q?wv6WCDnUm3cJksUoWjMXdk6g/AAENpyU/H/d3V6fa8Zx0zUCkUE2y2mJqbqY?= =?us-ascii?Q?b1QITOMLuergzGZxw7QrtKY8gkyJ/36xFVaCNtz2apI+AmJqcvV87nGIBn6L?= =?us-ascii?Q?IlB+s/SJXqgA+v+nVuKv52s9RlpLGmXx/GddTYSTSRBwCjTvQYTwOQlensRA?= =?us-ascii?Q?mSpxlysQjEg8ZtT4l9fMgHZGfZ1LyLVK7qAfjUt0AKBlG8cjY2sNdwCFXHsk?= =?us-ascii?Q?MqyHFFP7LQR8+zGSrrWq37iVCOSZst1L8U5/Hzym9/TAxh6S/OXOeKqrgYjK?= =?us-ascii?Q?jGcn06MydZM62iDw0VrPanfgVedI01tbqLKc6jdwXLEozjbst6FWnpmBEFSu?= =?us-ascii?Q?HAq75lzoCG00Kfjul3Z6z/2U8NVNlbPMTFwaCwmJ6YBjmxQjDszAfCIaqy/P?= =?us-ascii?Q?jKmJyQ01hppYxNHOfkw=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CH3PR10MB7329.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(7416014)(1800799024)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?3wG8u/YKCz1bZieaPVBhXXQEwbTel/DYlnqjj3l+f9L6Jk6+p+iiQ9fG4ivA?= =?us-ascii?Q?eEfASV9Dhr0DaQ/7kN9gHQBndFdFJ/MG9z8L6iCNXzcF+kPiZo3KKTt/ABz6?= =?us-ascii?Q?UQpVQIl2N2iff660kEkCaF85f737kbmmiXqjYPbt2sbPmb+l+o6h1MyWfQrJ?= =?us-ascii?Q?Jaot93WM7fi/HJsSi+ApQyo/N+Vuo+Yi8lqad2gLTCoMOyDGY6LvnU5Yw55s?= =?us-ascii?Q?TQXixd7rWPr0hZU4LcAW2cFEaUL4GdRR4SBA+M9N0QFxNMtc8qbKrq6pLVvn?= =?us-ascii?Q?pwE7F3BOzIG7Ts90nY1j2Ys/jnOupVNqFYXkRNKKI+mVKQIvPGClD2EAgnOO?= =?us-ascii?Q?wut3fNFlt4UVr1neUdz1jDGGMI0QcxBeTSpTgBwEfCoYCbYDDIqko4sx1d4t?= =?us-ascii?Q?idRnnLTwKKhKWCc4LuaMx44nWzrp0kgrKHQFGiDSDyQv1j9KP3s15p41VKbM?= =?us-ascii?Q?5XM88YfJJeMKshuEToAWS0HfBwhy2umuVqpD/q7f/Dyqup+MLV6TmYdKgm2h?= =?us-ascii?Q?OwOzjc85+g6jImgPoWURUvVoR2/csALDwpwHUNA1t7MDMyWZ/HhHlsMfAj8H?= =?us-ascii?Q?vj2ui8+qU3LtqXiTUIHxTUebVV54CoGkunWlQBLb0d31r0aUqkGwCOBX9ooZ?= =?us-ascii?Q?M/0uXohmzFdjnYnefRTauq9qls6tvXQk2+4eJWwiEnzaBkDGP0UlRk8LUDZo?= =?us-ascii?Q?5UTotHENIeNFhZRUDajlQcS0DxzaW0d6hpRPiBzfrsKC8aggAqAuVMKV9BLD?= =?us-ascii?Q?Npi8EHFzt4SYclHjsWE3rJbFeZcKYf6ZO2H6xpuHjAIQVXg5P16geu6dnedh?= =?us-ascii?Q?iQCKrYPmPQeKjMuEI6jx6aOsZ6LjuaRxhWZAa2B1QYU0U4wwBkHlkvLN8jQo?= =?us-ascii?Q?AB/8SUHt4Ce6Jr5pNUEitgGV4SXmyBRmH7mMnW/hAACDLXL5vkR+A6KJV5z9?= =?us-ascii?Q?SGcCSjiIovWhZqqhQu8pjwURnY58egLTkieLM/zfDfJ1dLa7h56nAlsMQGtY?= =?us-ascii?Q?ubBkhrtNPnxZW0QI0cLf1ZNYIiCWvRT+HeWc00qndtGVD3T4pE+qZ91DuPXI?= =?us-ascii?Q?olPrI+T4dh8iGl63AA/sUppcZTXiRfkClWSodyRDla99gknsUTWZt12ApJox?= =?us-ascii?Q?CpxRhzF44e1SIVN7oZzXD8hEuX+1c3aHJ5rmquPVL0Hnsv4haC6XcQztPGBE?= =?us-ascii?Q?zqnsMfQChPu2152cm/4WikPMoWz508TDVYk2zqYbpoQrVyuIks56hWqdlsq5?= =?us-ascii?Q?Yl+0QlF12g8t57nZa+5mEGO+7ZHmfbMU4+PmMSxRWe/mFcyoLZudu+r2q2JZ?= =?us-ascii?Q?/7sLf0w5+8i9dC/fUDV+nOGux+gkAAr4D64oA9l4J6zlMVhXiOqV0ELibhEZ?= =?us-ascii?Q?J/cBs2Jvn90nzMPp6TIRieX2CU4iUqKg6CmJPD0IINv3KByU+yaFRNQIYhv7?= =?us-ascii?Q?1eZ4MyWfYqeQN26wJNh/7Wk1o/0O1i91mqmrHbjAkZjcYOsOMLSA2XI2XefN?= =?us-ascii?Q?c4zg2hu81hQOEwg2aflu/fRKMEtz5/TwU/4ev0RPHBNFuu3orrJ1wGdyax65?= =?us-ascii?Q?Nc+uf/VOTFTe9P2pkicaxR9s4MAC6FaoxoWPXBCsWnPmWQWlV8Vi96X6uRPj?= =?us-ascii?Q?xeZuP0lm/LE/Hr+JiZMLjHHEpRloWFT00uBgc5uzX+6dZkhOb0ke/OzZj70H?= =?us-ascii?Q?tMRXUA7KA1ykAVg4pak37p72qLR+gKw30SIGulcfNmuUDYK4GH7RY4inVeOA?= =?us-ascii?Q?lO9/2z8pFg=3D=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: 75b9109f-9af5-498d-0cd2-08de58a0a8ee X-MS-Exchange-CrossTenant-AuthSource: CH3PR10MB7329.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jan 2026 03:53:38.7049 (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: v3Wdr66rke8+gYV/l/0oMaHOCPeXnw3sRu0UPcn80vZdgYp9wqbzJivxp4DcvuIQBpbKhLu6vErS/aqdATxvAw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR10MB7586 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-21_01,2026-01-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 bulkscore=0 adultscore=0 spamscore=0 phishscore=0 mlxscore=0 mlxlogscore=757 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2601150000 definitions=main-2601210029 X-Authority-Analysis: v=2.4 cv=WbcBqkhX c=1 sm=1 tr=0 ts=69704dc8 b=1 cx=c_pps a=e1sVV491RgrpLwSTMOnk8w==:117 a=e1sVV491RgrpLwSTMOnk8w==: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=968KyxNXAAAA:8 a=HLvGPcdFKOahDy1OYxcA:9 a=CjuIK1q_8ugA:10 cc=ntf awl=host:13644 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIxMDAyOCBTYWx0ZWRfX8YKcCW+bJFCg vZv2YOchpH4sWKhL6EePDwNQivBWCqxIZVkM8n4ruNdCOmPdVP4gvZ9fZyIZ5ILvhtswQ45cCcO FE/WWnlgLd3zMQFhDQHKZQbV/0XuPV/1VQVd5QaZ9CU2jI0oHngSohH1Zvcsu0SzU/4ZpF+/R9T sglpHNmJn4e4TPsTix08FLC/LIreWT7r7QbbRPNygGzFtBa2G5iYVH/wCjo9TUCgIzkJ4nFEuQU Uc95GGNeuSrrO+7BGPbcBscSF3AzClYxVaQq9m1AUoMsAJ9liFS3hnLwUSgdNmTJkcHovMWLlVZ IpNSj8oLMskRFJjOs15JwlndLjneJF+DAyp+yxwsP9dqXH+o1qOiNIDrgo51pO2zC8lewib6+1w jg9JmWOzLRa6LL0tWOqQSq0MO5oojkrasYwBBe23XucypSM7GHX2w6yJf9jsTR6h4aYXNjUd44x bVJdTg3tPr/P5uLe6pbzFtg98RfUF1pIfLVU3FfM= X-Proofpoint-ORIG-GUID: 80F8IrZRCPcMYQx4kv0OinAPrChgkRfO X-Proofpoint-GUID: 80F8IrZRCPcMYQx4kv0OinAPrChgkRfO X-Stat-Signature: sc3nmr8a6ctq6md7znysh9w1nyra7pm8 X-Rspamd-Queue-Id: 4AB0040006 X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1768967651-338551 X-HE-Meta: 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 A7HzOagH 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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 06:44:44PM +0800, Qi Zheng wrote: > From: Qi Zheng > > Only non-hierarchical lruvec_stats->state_local needs to be reparented, > so handle it in reparent_state_local(), and remove the unreasonable > update_lru_size() call in __lru_gen_reparent_memcg(). Hmm well, how are the hierarchical statistics consistent when pages are reparented from an "active" gen to an "inactive" gen, or the other way around? They'll become inconsistent when those pages are reclaimed or moved between generations? -- Cheers, Harry / Hyeonggon