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 94695D3F071 for ; Wed, 28 Jan 2026 14:37:20 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id F29AC6B00A0; Wed, 28 Jan 2026 09:37:19 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id F00706B00A1; Wed, 28 Jan 2026 09:37:19 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DD5056B00A5; Wed, 28 Jan 2026 09:37:19 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id C86296B00A0 for ; Wed, 28 Jan 2026 09:37:19 -0500 (EST) Received: from smtpin03.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 7A0EC8C296 for ; Wed, 28 Jan 2026 14:37:19 +0000 (UTC) X-FDA: 84381625398.03.62004DB Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf15.hostedemail.com (Postfix) with ESMTP id 0EC0CA000F for ; Wed, 28 Jan 2026 14:37:15 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=lCJ+WvTT; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=ST0O4pkb; spf=pass (imf15.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=reject) header.from=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=1769611036; 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=QMQePxUtfWMl1T9B8DRhdmvCp2wqH/uTqJ0fn9Dmn6A=; b=VMfMeRujAZlUv3ksX/YeaJ8QRvvODhG1MzLfEZG2O0gx3UyxcEVZ4v6PJnSmxfU2m3VZP8 m+LpDIwVTt5UwMkyMc0FwJH3qJTbn/4i+FSeFbAEna4pwgVEC6rkNxzmbHWEHaXmpnoyQj 8cnnFR4c0xQ2v+JW1vA2iEvL43HlB58= ARC-Authentication-Results: i=2; imf15.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=lCJ+WvTT; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=ST0O4pkb; spf=pass (imf15.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1769611036; a=rsa-sha256; cv=pass; b=XEK8mbhwVD4vtpxHlgvacUdY3UL8gjUL5zxEDTlqrkzZfInk4NPD81G3/702BWAytyDyuc xWml3dBoN/7t0+RI6L7MEK9Ld5ubinNnl/jSDyJUWP+5mw5vezbTRc7GpQT9Hv/yiwSnTy kNSU/cAEyZwLUT8LDD1Q02ig1TnFMsI= 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 60S4C9S91337667; Wed, 28 Jan 2026 14:36:58 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=QMQePxUtfWMl1T9B8D RhdmvCp2wqH/uTqJ0fn9Dmn6A=; b=lCJ+WvTTMu8xrCG9OkVIx5TrQEZyx/puNr yISEO1XiF08T9xu9cHWhpyp2KWj9wcw3KIT4WPYDZkQRc8RXibY7a5ja1dUrZuT3 vxPWc4SAmSF5MJhZD7pHvbsY1no6h4jQaXxB3Krih23YhpNx1V24rzz1AZ0zEti2 F8MTnEAAsyn/ztdHRYZ5RhsOWmjJX0cHvDa2PAy3k92iJDPFDs+HrrXIWqmzhnC8 OmIAnD0I2ZpBC6fZvTSgCX5v69j7ZHa13fB5UocHVqrdHrZb/LsJ3D1ifWxqYme/ LR+kqOBFHCYf9ZtXL3byEe2JZ4T2K6fHYoWWSMWPyvpMdiIxleNw== Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.appoci.oracle.com [147.154.18.20]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 4bxx09j3q7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 28 Jan 2026 14:36:57 +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 60SDMB8s001836; Wed, 28 Jan 2026 14:36:57 GMT Received: from bn1pr04cu002.outbound.protection.outlook.com (mail-eastus2azon11010059.outbound.protection.outlook.com [52.101.56.59]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 4bvmhfh644-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 28 Jan 2026 14:36:57 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=XhbyrdUl5zovMWG5psiqkVcf7tPIXTcub7nlufcYO4WhhDQ9vUwywV5renT5J7t85MZFwGoNFiAwzpeF5FC2BFA8DvymTdVjicHIZSUjMMZdKRWcpRJTWoG7MNu0KCaDOj3hmtqjaLtBdTvECJx7wVpoCRc6/nEeLDscn59c/HHNYlnvW8+mDJZeBBbja37jDL6A+DJ6n/BG6AztfRCPyXsDLTevnSDRI5rApyTTvonWiTeXHwtuMLRRoANdUWFVjFkg6b7zTKaJmGxHNJxavKiBpv8jJ6ZdeCsf6WEZRnDvUHyDQzRnCDR09/5V5nPwynrHsHZ165k7nBopZcf7Lg== 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=QMQePxUtfWMl1T9B8DRhdmvCp2wqH/uTqJ0fn9Dmn6A=; b=IngbE0iGA10A4OaE8Nz00dHV0HpNnuI6zb95V5+FvSGPt3/6ydExTQc8FzXQNxYsLJaQ5mUmD8pnWj3dQi3ISS9ypzDoFfiZk/7ZadXapBFgypcd1qx3p7xg2KfdBbwoSLK2POWQIW5nBqVH8N2ey0cHyuU2G7HY+oNftJ+LpCgF8AmgzOJVoQZwjGtxEY0v0s3vr5nc76Tcv0LLOCwO1mXWVQpvkC9tfl4sQ8Fc5FetKJRi2p/AhR5fZsVBAHZRdWZ32MjM/XWbY8kebGvmxThg31tc7DnnnZgMxRLHF5ud4+cR2kqpkcASGeXw4UQCsYqKVMzJ4jv3XC39mMgrZQ== 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=QMQePxUtfWMl1T9B8DRhdmvCp2wqH/uTqJ0fn9Dmn6A=; b=ST0O4pkb7wXMewHGidNOSTQcQQ+u07amHEx9F9h96GyzzIYREFwYRIrgwGPB9CzLqAS3/sxcpZjly/j+ZDGPXIDtGDvDPL2CJK9YrR0n4+I0WkLG68415d8+dCkvFTbaSzuXjICmVjfDA6S/jYX/a0ZdJHWfKxjp7VmUhwkInoY= Received: from PH0PR10MB5777.namprd10.prod.outlook.com (2603:10b6:510:128::16) by IA1PR10MB6219.namprd10.prod.outlook.com (2603:10b6:208:3a4::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9564.7; Wed, 28 Jan 2026 14:36:55 +0000 Received: from PH0PR10MB5777.namprd10.prod.outlook.com ([fe80::4b84:e58d:c708:c8ce]) by PH0PR10MB5777.namprd10.prod.outlook.com ([fe80::4b84:e58d:c708:c8ce%4]) with mapi id 15.20.9542.015; Wed, 28 Jan 2026 14:36:55 +0000 Date: Wed, 28 Jan 2026 09:36:51 -0500 From: "Liam R. Howlett" To: Mark Brown Cc: Andrew Morton , maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Suren Baghdasaryan , Matthew Wilcox , Sidhartha Kumar , Vlastimil Babka , Alice Ryhl , Kuninori Morimoto , Geert Uytterhoeven , Arnd Bergmann , Christian Kujau , Aishwarya.TCV@arm.com Subject: Re: [PATCH v2 22/29] maple_tree: Use maple copy node for mas_wr_rebalance() operation Message-ID: Mail-Followup-To: "Liam R. Howlett" , Mark Brown , Andrew Morton , maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Suren Baghdasaryan , Matthew Wilcox , Sidhartha Kumar , Vlastimil Babka , Alice Ryhl , Kuninori Morimoto , Geert Uytterhoeven , Arnd Bergmann , Christian Kujau , Aishwarya.TCV@arm.com References: <20260121164526.2093265-1-Liam.Howlett@oracle.com> <20260121164526.2093265-23-Liam.Howlett@oracle.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20250905 X-ClientProxiedBy: YT4PR01CA0468.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:d6::10) To PH0PR10MB5777.namprd10.prod.outlook.com (2603:10b6:510:128::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR10MB5777:EE_|IA1PR10MB6219:EE_ X-MS-Office365-Filtering-Correlation-Id: 9eb187d5-a3f6-4b7f-f4bb-08de5e7aaf13 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|366016|1800799024|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?zDcehRnBsnWplAPce+HShQfBBlCN/ZMl2Rkzo6kzSdG9N2k4K9j2DhA3Zpu6?= =?us-ascii?Q?5DIJk83OHFQC11/o95vWRsi64dZYDNvY6jADEfdrMmI6UAMqoS4e/qZfhilV?= =?us-ascii?Q?Fvx+JMWiQO9Iqi9A1IYn8/fPXTOUxzhEKKJ+u4fS6LWKjNRjwm5cqbim3S8N?= =?us-ascii?Q?Mu/H/eGcHSMXIL/WwUQAM/uNqsLJJjdQQdJ6gIqSdIeiB9QG3+2pB6Srt7Eg?= =?us-ascii?Q?Le+atOBlQ10Cs5FV84j2hTkdEmaWgejZ9kqL0ySvzyTrDQmKDFW79L6Je3iC?= =?us-ascii?Q?MS6ZX/WRpaswgCA6XJ7NyTrSAC9j0tejUc9a6J1tEWiTqapdikvg9WnC4z/M?= =?us-ascii?Q?F78qaH0azcDHZRLHOKrSGLKdLGUtQjAlwtVffAU/qdTTDnjTE7Rh8ypMIwRw?= =?us-ascii?Q?En8Zvd2+5sr7O1c1fZFYs4oafSWfle0Ibj+jbYnuEVtnACnnc52pLyqeUYMy?= =?us-ascii?Q?RpMTWnZxgfelvCGls36Hjy87EL3DCwWVVXmuGrQbtVfdC1E6uRCJ01YherHD?= =?us-ascii?Q?ol2omEJy6wc+FiFoyAd+l6IOnxQk2E+LsC9IeVH3Vq7AXzwXic3sV9tQ664L?= =?us-ascii?Q?5oGqtIcJkGCKYoECLX42pVqGnQSu4pKmRpkncJ6QDVz/FOK+K/CnRwq/nup8?= =?us-ascii?Q?iPhsa7+BWtmBZYVQvgQCSn4RDkRGEBYpLJGCh8wQ7lPCadDK0ydwaeUy/Kfd?= =?us-ascii?Q?OQQXKQicCaJ5RyAgyko6bgCUvBuTmBAipYvpTe1pGCVdNvOpmpFAIZUoafi2?= =?us-ascii?Q?0m0d5YwY8vteYJ+mCvEM+KIDOoO66kGOjeOJwUp8yNDYOzdl+xJW3oaj+43e?= =?us-ascii?Q?1FgWiLlvN3FjBxguK8fayJviipvfSt3R23ua64rZUDMawEDzm5iMO620bn82?= =?us-ascii?Q?dMsTl/UOy52o4cPc/EEN6RMof5fGXB7i2d22VuVmocarlnd+CdXzq6KZNSxZ?= =?us-ascii?Q?V/K/nM+Yv3eb1m+fzzYe8GipnEgaF6cLx3iNTiDOv8Oe6ChNRSxQxBMQuLCc?= =?us-ascii?Q?pD0PkZ0ZT3ngvaYagoFO3dmkiiYWpl7IPTMyFT4jGanr1O4g20tUTV6UaExL?= =?us-ascii?Q?CRgjTEl49cBY7d0bAyvuPBth4EOxKbo6+4GMDf+99ytBxeJYYvLRl0u2sMCS?= =?us-ascii?Q?drMxYaJ/MagDnx9yqJTwv5yz/w7sejvvTGiwziGwQxCOFbDVPLINMJs/4ska?= =?us-ascii?Q?aRNfXccfed5we6GrG9V9Dx1HYblJTbPE8BQqsuqDTi553abc1yGDM9PhLlB0?= =?us-ascii?Q?jepLKUaqiHYBXVVEyUWYWeaeU/2faSDHl6DtZrvF1+vwPGWdWD/odvgyEuus?= =?us-ascii?Q?camRehPDHK6tWWuMO205J1mryB5AjN4bkXfiVTdCGoNNtHKC1rv26v7GMfx0?= =?us-ascii?Q?sSZBY9gr8jvAJMc8u2FgM9EfYSlZMjzR5vF4eICOcvHHgZ2tkPfmlNQNm81F?= =?us-ascii?Q?2O8IM4L3hmQjcy18E90Qp4NoQ8jppDZRIs7II0RzF65J8grpAAX0cTon2+th?= =?us-ascii?Q?oKERE6UQu0M4UFzNva1ohObZM/hqnYV09Qsj9e+LqzuUW22BjEMHFmoWsFNM?= =?us-ascii?Q?1KDJoyusqtwcoEPz1Bw=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH0PR10MB5777.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(7416014)(366016)(1800799024)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?FjU1GM0YgM22LJwoI1QSCk6xiZ4LIQoM2EvnGwCfXMgfRulFKPuS7cBq1xtm?= =?us-ascii?Q?yQCNBZOKtLAB7SDkFLmWRKLXFlCzflhqbM87P9/TAGg5dA0UleUt0qZHq6l1?= =?us-ascii?Q?Gfe27dpDoMnZWcUPWXgxh2IVwVwYEwOTt8EaPnMrGlv4QTHkqxBhX3eCFqjV?= =?us-ascii?Q?aL9XJvlFr6WQa9vDYpG7UbdPk8zBFSovofwJkWfLKzKQWfP9WSPa87L62dgy?= =?us-ascii?Q?hAqNfy4p2MtV0hXPh48ay7rr2uSaekY9btMimah6weKRsdjZ5MHaFP0U/Zm1?= =?us-ascii?Q?qVEm5eMYTTPphpKbzoxmS9Z8X7Yr4ujH2i38mNVfGqG5XT1sz3n4WSQaaqeS?= =?us-ascii?Q?7SW2/qImwtFcycqo9j+Ib48loEAUUoslJGmFYn2yV7fpgWt+eGLpK3D9Tote?= =?us-ascii?Q?o3UGrCMxoRBPSMnFjTc/S+kBZEyEkjKn+CdLUGHkc4cjVJwB3ZDJf92shmKp?= =?us-ascii?Q?/L6YUhsQnolwekemnb9MnqabuLijzK9L8vqISgNumsf4xlO5R3EKd5IbnZZj?= =?us-ascii?Q?iEgS0eqO4Ib6C/iO2Zk6Ze5Nnt44fBxdaF/UaaVEs6r7EimWSzydanmhINup?= =?us-ascii?Q?o+KihoFTkVNNRNkd+POjVeOjHIcji8XLONDp506Khkv2t4IoZloTonis1fTj?= =?us-ascii?Q?1TsngTl2fyMB76h6dsIEO2gN0FSixMFcB2RZ/Df9kzknDRBUXVDs1ToI8IVR?= =?us-ascii?Q?WbHUUkLqnZ2BBAvOkyv1fvalF4Vfcr5HOSTIuFWdjhIlkZ1WFYoTE49jO2cF?= =?us-ascii?Q?T5YkrXCFDgl0YlEeT2brWced5ycCpT2M5yqI5Mgp6V5rbD2VUQgMvvZhNxSp?= =?us-ascii?Q?3aF8gtzOQsaHHChEOMdZo36A9rkVk/YsoLT8Ts5eWKuHPu9TdmEiGehaUIsd?= =?us-ascii?Q?y+dwXnhCNBItIDw/ekbvdDbklU42ZxlFubhP0iw/qG+sxRKqK0ktmIxfRXTr?= =?us-ascii?Q?9bRBlju/BOVVNx52PYyrPQdAMiFCceoanZ09YRauL44T//mkD3dtKGz+wXdt?= =?us-ascii?Q?8Sj352DZBGdtch7y8yd9Xsf69bqFlF/BmlCbi/OAflz4C91dZLas/2u9521x?= =?us-ascii?Q?4rvK+g5sCYw6mKZs/yfAQV7ptALBqPuA1AEjqWpnKzR903SMz6d/LXawz+pp?= =?us-ascii?Q?9aI8n2E+mCcNaDf5HHFsV0Q3GPUJzRnWvK+2zarpvlhd6fFj4zGFQWppzio2?= =?us-ascii?Q?DsanKDrd4t0+Qli8y8N8tVKkxaIMWCToxcgr5WjqyJKIkGFODjjBkivKOvWA?= =?us-ascii?Q?96bktoHnlfKXiNzgyWAtuO/n4hKHOp+Iy+/Uab+h3+Ol6aG8Q2dvAm3o7vrx?= =?us-ascii?Q?PLZL0AgC6G1QAJ0PniNTJ4l4gc75O2YFO61YXFM195uX+vGC/CU079tP2WsA?= =?us-ascii?Q?amlyc2I/KbJ6cwTahPdU3H61V6WPts18prqRAcG+4td3n+0eOXQR6IBy/Mke?= =?us-ascii?Q?+cUF0kW4H8wRCo0Sn46Hk4n3Yk9v3QFfkHg+i01Ks5poECSSn8TAH4jIJCjF?= =?us-ascii?Q?rVDlSpdGnTa2ayJrUvjY2z/kA95Mm+/oPT4WGt7zMBNJZyP0MigLu4GceDcd?= =?us-ascii?Q?w+uEaUOISlLZwWu7OzeO7A1vgfY9WUIBG1gqyG5PNeJLV9+r/Iy4tr2MH23F?= =?us-ascii?Q?eG1fKsRGMOXCrKRW+qVPuQzRTS/GfjpeyRHbkFx4r7WhhrCgDJG1gIprwrQk?= =?us-ascii?Q?ZaadvbV3dpbF6sFcDDznBW6mDiO+VN5I9xQQ/I+WhEJUlAuFq47+cihWNU49?= =?us-ascii?Q?gYZWcp8gdQ=3D=3D?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: wS326/NQtXWczpKLr4cTYKPxOr/RY5ibEdQuX3KEpdmD2eXn2QnMdXvMBNs82RI32Fq3PJA/6dc68DwKb0RiMNe7TVUbHt+kXxth3HK17OJvzOhIESNciuJcZ8BMSChWLJfL4YuxWCiLyUzEErDTffFqZ4TETzrGV2W9cy9B15YBrYXy0ysG21q7BYIbMkYFS0HBwYU/SGQd8d9FrjXeYLz6LkyTGkhHSHlHVcR3yak8grBZI5NbW/gbA57xv8p2tnZJP4r3p+dbE05zTI/FaZdYUxxiHGnnBTiZFNYNdiV2yMqLpoYVuIejlojn4M2bbFOIJ92XDTh3XXqX5yiJRxqxNz+c8fr3kLUrEe2OSvVnphdR7f0Xx1+IhFKLBZcE5bsgwXiMpABTwrqf813gz2DM8uT4gT7xgQtMtZQxmDORz6s24UJVNawkSwd58M1Rq6vxjbwMTYbENlLnqMD/1TUlgE+90ZhF0gBNrhVEbqS7R2HBUaDfGs1PSExswbIy4EhY2eYlAtcG3W7SgHLqWbU579XLVGNzc47NxUmn52FU8nYbvRrCOKIS7SipXoa9s4OKQ464jFCgdcg2VQ7ouJZn9olSmedGo8w2hFozMIU= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9eb187d5-a3f6-4b7f-f4bb-08de5e7aaf13 X-MS-Exchange-CrossTenant-AuthSource: PH0PR10MB5777.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jan 2026 14:36:55.1152 (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: 8seZ7ab8I4Pk34ANlj2IH8AEcGArkp9oXDdwYzqRVCkeYQRMIjoFV5p+Vk2KNPDQwtZph4dvFMjMipxVkPB7vA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR10MB6219 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-01-28_02,2026-01-28_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 malwarescore=0 suspectscore=0 mlxscore=0 spamscore=0 bulkscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2601150000 definitions=main-2601280120 X-Proofpoint-ORIG-GUID: keKHNTM3r_mQJKsSDYrgWJOMGjY9KLg5 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI4MDEyMCBTYWx0ZWRfX3CzA2Q7F0Wfl 3XzXrEwpMUV0r7LIX4vr/gR/E1fm41y+WT39ZV14CL7Lx3mnUGmgLWHhGqnT0yN4QuUXzioAAqA 8TECNmEZmAutPTgb7rkZgIbzad5kuifXsGAfEnyYWVND2OVYkB5od9wDywvps1VOmBnhcfDciZ/ X5tGlSskr5ekNoNPB8ZND4ogeKm50N6dKkE/+aobLAZu7dl6RHKCY5INAJ6cInNHxo5NBbdUXzF R5a8wOvYCzC3KgxEFSlIimYodWODdEDN8tM7ou85fJq1meANkU4R3KRXthLm5I/sO7fjVAX36pp l2O8YqiFI1f+Rw5ca88gqJHz2jaY56wvHMN1JgVM1cBgINrnDKt1TRdi/5EGIuY5ZebGP3tMYEx ePan9LhS+HuW0TgAq+lXgs4Wz3OIHLsz3EQYl7ZuYoHItDtBG2AlymsRFaeC5TKcsL9CGa44nco TEiVVQF9XeXMr5+Uf4S+211UXKTOqCmwZyok6sjA= X-Authority-Analysis: v=2.4 cv=Qe5rf8bv c=1 sm=1 tr=0 ts=697a1f0a 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=VwQbUJbxAAAA:8 a=Ec51SCiPbZtzNtErd-QA:9 a=CjuIK1q_8ugA:10 cc=ntf awl=host:13644 X-Proofpoint-GUID: keKHNTM3r_mQJKsSDYrgWJOMGjY9KLg5 X-Stat-Signature: j6rw1ejgpk7wdqhio4oj13w95r3dmbu8 X-Rspamd-Queue-Id: 0EC0CA000F X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1769611035-719981 X-HE-Meta: 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 C5hvLObi 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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: * Mark Brown [260128 05:53]: > On Tue, Jan 27, 2026 at 11:05:54PM +0000, Mark Brown wrote: > > On Wed, Jan 21, 2026 at 11:45:19AM -0500, Liam R. Howlett wrote: > > > > Stop using the maple big node for rebalance operations by changing to > > > more align with spanning store. The rebalance operation needs its own > > > data calculation in rebalance_data(). > > > > In the event of too much data, the rebalance tries to push the data > > > using push_data_sib(). If there is insufficient data, the rebalance > > > operation will rebalance against a sibling (found with rebalance_sib()). > > > These appear to bisect to this commit, there were some issues with the > > setup of the bisect which fortunately don't seem to have confused things > > and some timeouts stopped the last couple of jobs completing but we've > > got adjacent commits showing passes and fails and of the two candidates > > the other is a refactoring that doesn't look at all plausible. I'm > > rerunning a clean bisect but expect it to confirm this result. > > Confirmed: > > # first bad commit: [6ad069085c621d39fad4d1835af7e563975dcf7e] maple_tree: use maple copy node for mas_wr_rebalance() operation Thanks for bisecting and the test name (linkat02 on arm64) from ltp, I really appreciate the details on this. I'm working on a fix. Please let me know if any other platforms or tests showed errors and I'll try them here before it's re-added to -next. Cheers, Liam