From patchwork Thu Jan 5 19:15:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liam R. Howlett" X-Patchwork-Id: 13090313 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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97DC9C3DA7A for ; Thu, 5 Jan 2023 19:15:55 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 036DA8E0002; Thu, 5 Jan 2023 14:15:55 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id F016B8E0001; Thu, 5 Jan 2023 14:15:54 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D2D1B8E0002; Thu, 5 Jan 2023 14:15:54 -0500 (EST) 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 BA9358E0001 for ; Thu, 5 Jan 2023 14:15:54 -0500 (EST) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 8CA1A40276 for ; Thu, 5 Jan 2023 19:15:54 +0000 (UTC) X-FDA: 80321700228.04.05D18CB Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf11.hostedemail.com (Postfix) with ESMTP id 2184B4000E for ; Thu, 5 Jan 2023 19:15:49 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2022-7-12 header.b=hlyEVuwd; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=yKMZMwNV; spf=pass (imf11.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; arc=pass ("microsoft.com:s=arcselector9901:i=1"); dmarc=pass (policy=none) header.from=oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1672946150; 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: references:dkim-signature; bh=+jMDOV2IIQpB+2+2GrbuhEjyuyAvdUt3VdFCtIO5T6c=; b=7MxWXp+v9YK30F3eTK0TZsuHcMXKGD57+IcLsNB9ozRZmjicwFlYQS4tIrnLYYWWcjWcsK A+GHsjBCofIe/fy4MAmLnMlREvi/75E0VP8r79MrcQY09K1e+ygsjSxdiAXqwelDz0EeQU OHLOCphqeV+iKOYsd13YGO1KGzmEs0g= ARC-Authentication-Results: i=2; imf11.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2022-7-12 header.b=hlyEVuwd; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=yKMZMwNV; spf=pass (imf11.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; arc=pass ("microsoft.com:s=arcselector9901:i=1"); dmarc=pass (policy=none) header.from=oracle.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1672946150; a=rsa-sha256; cv=pass; b=S9umiAi2YjUugDTd5S/wD6rMoVGKbpQ8SEYkPP3frW/af4lPLnqQyrB8WV9yIP2aa+z3NO KkJbV+oub1TAxZhVQMxQnAsEPIoUdEfY2PhEnohw0QYoQYkXhFmxz6j8VFDnbbHvYT7wwY THWCGih4+8LwJnKQ/0VyC5at8QoYgC8= Received: from pps.filterd (m0333521.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 305ITwdC029112; Thu, 5 Jan 2023 19:15:48 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : content-type : content-transfer-encoding : mime-version; s=corp-2022-7-12; bh=+jMDOV2IIQpB+2+2GrbuhEjyuyAvdUt3VdFCtIO5T6c=; b=hlyEVuwdWKOk88dYdIpMYscBitsGaG0Hx/braZ4JqtL1nCbvWc9nk+9q7U5UafmBT+6b kTy4mwV8ciGqIBxDMPXvw6CvqH3987s/6vSt2xuTGMrYaiSORccfLj9AuuO/46JT24Q/ 9TVxPZ0YUbKFC0JKVD2N1nVEkKRO006poLRipp/8ro1+nHGO/J8bhc2NF7NfFBy2SXFf BEwTo2pbqQx0sNozAnmxarAc2WGCiebK3yUzUF17U0X4Ans9mn0EWNneyZW6sEtVx0Nx 8E1en2Vx/WF3MBPigHIdwW5XytRsKoAjZJW1xGqyTuyl2vuIXqfEB9QgBPWd9asyMpzn aQ== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3mtc0asrjp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 05 Jan 2023 19:15:48 +0000 Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.5/8.17.1.5) with ESMTP id 305I6Xlm027985; Thu, 5 Jan 2023 19:15:47 GMT Received: from nam10-mw2-obe.outbound.protection.outlook.com (mail-mw2nam10lp2102.outbound.protection.outlook.com [104.47.55.102]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3mwft03xr8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 05 Jan 2023 19:15:47 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=idsnICwmNsswHOfOVGoQ0Vgt3Db0PPaTkVAR3hStw/pbU6wN6k2wceoLUrhq6AdTFDcuyV2waP/Jun2zgUa0/hsSXLzAmosHsokdHGFzY0LLFkoGKb1n+dNd4Vcxrsq77BOnX2G6UXhfCePiBW9ECdkCN/zmYULbHqi/nuCTrQcFr3qtkGkDp76wKkwFOL0/wW24SoztchFud1twcBE2Fby6OTANlxxF46DprVhHSPiSCJRzxbsgf3ya84HYfeUYDMESfJxMolbE9ZGwoDD+eh3FbwHAURIoPLOJyejk0yvbKiRKzXdsNp5ZJzwV1S3W3qxwGxDjEck8GfmlW6wTqg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=+jMDOV2IIQpB+2+2GrbuhEjyuyAvdUt3VdFCtIO5T6c=; b=YxMVQ0jAnjnxi8ms4R8lFCQPpMAx1as91LH9P/I1eO4lZO+AvwTKpgmpbvWl3wnZeysLWOqJLbdxrkDVlX0JCWI3oSBxiv0g1NFBmV8DlTrExhG2nl3X3CF/qqA/de8jSud5+9OAGSm8gr4K3FhTWyFvXbI/54u5WWJTuYEIfNKwT6S77b32rbxTm2Zy1Lm5GLLRjDUElMfMpvE4ID/PLEaBonwzrJLHRZt9wz0sELV55f7dqvUXR2a5bxP1V+izoJtqXYRr6vnaLRsnI4FFg8Auwi3p+nukCtRn0ghm4ACTbfRL3ffiTmh5AuYy0Zw4f/IzAOtpiM2UIMfjXhenTQ== 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=+jMDOV2IIQpB+2+2GrbuhEjyuyAvdUt3VdFCtIO5T6c=; b=yKMZMwNVqhoDHBnRnC68ahlEC0JE0pIwM5qunhzoyPzLzJJWaIqvehgWsUF/46TfmLLH4/j4iLauRaQvxQRub+cP8m7qCj5XvePfWsc3rhSVB8llaJ0Qjesh5MxCxCqrEIK4x4MQwW8fNcwCPgNWe1kF5rXstfc0LEfSNmuPkA4= Received: from SN6PR10MB3022.namprd10.prod.outlook.com (2603:10b6:805:d8::25) by DS7PR10MB5231.namprd10.prod.outlook.com (2603:10b6:5:3b1::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5944.19; Thu, 5 Jan 2023 19:15:44 +0000 Received: from SN6PR10MB3022.namprd10.prod.outlook.com ([fe80::a02:2ac8:ee3e:682]) by SN6PR10MB3022.namprd10.prod.outlook.com ([fe80::a02:2ac8:ee3e:682%4]) with mapi id 15.20.5944.019; Thu, 5 Jan 2023 19:15:44 +0000 From: Liam Howlett To: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton CC: Liam Howlett Subject: [PATCH v2 00/44] VMA tree type safety and remove __vma_adjust() Thread-Topic: [PATCH v2 00/44] VMA tree type safety and remove __vma_adjust() Thread-Index: AQHZIToccOuEFtBclUuUQ7tIi7gZoQ== Date: Thu, 5 Jan 2023 19:15:44 +0000 Message-ID: <20230105191517.3099082-1-Liam.Howlett@oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.35.1 x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SN6PR10MB3022:EE_|DS7PR10MB5231:EE_ x-ms-office365-filtering-correlation-id: 40f074fc-cf9c-4155-20fe-08daef513e97 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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:SN6PR10MB3022.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230022)(396003)(366004)(39860400002)(136003)(346002)(376002)(451199015)(110136005)(316002)(6486002)(966005)(186003)(26005)(71200400001)(107886003)(91956017)(64756008)(66446008)(2616005)(6506007)(4326008)(66476007)(76116006)(478600001)(41300700001)(44832011)(8936002)(83380400001)(5660300002)(66556008)(66946007)(6512007)(2906002)(8676002)(38100700002)(1076003)(122000001)(38070700005)(86362001)(36756003);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?q?gtVxmRYDhj9fiju04GOKsrW?= =?iso-8859-1?q?Go0P9BwKbwWLprZBorojh/QC1C8dDdOE07jpwIhc18bOWNjMCKD0HbwXegtr?= =?iso-8859-1?q?IGizR7/iNG5u35jjxx7xMipKH0wHavQR2B/dROzPkQk0JLoCGlhVh4dyeMIv?= =?iso-8859-1?q?DA9ji0UP/K2sdJ3NTIx5zexM/O0p9mHOmJLD/TrHjkVqq+yTNjsQI/erWTSm?= =?iso-8859-1?q?QjxESI5C/Pk4hqsl/1NrRXMpDxUN2HuSXmtblMg/PIxV8u3E1B/YtITuV7oG?= =?iso-8859-1?q?vOCZBGHp0StWYOqBRmo3zdBYOp+rb4OYR6N1hZ/QiSwr9KmxAaWDds20Vuw3?= =?iso-8859-1?q?nb5vwcjuub6caCI0/eJCIfGDmpnsVMn0XIQj7tvinJExSqDOuwW44Zcj1waB?= =?iso-8859-1?q?qUGGc3kzyZ8+MCxG6x6ZTaTvlinQQPknV8ImWk4il/MadTdUI78oTZCzD1Jl?= =?iso-8859-1?q?xI7Kj6Ec7i7EBvkBSDo7GyS+3jIOdEUduL21GqbYYDAj9oQhRxCcO4UUZ1fQ?= =?iso-8859-1?q?q9vo3Vu+MwtOSjkEYUKaSReA0psEnkADrATdtTJV4nHp0tuLJug1dsND7cnr?= =?iso-8859-1?q?Q/R7k/Z9ySHm2N5EsUAUd7XM0RA9QXwFcKnEXCr3sKHOYu5n4mP3n3oWxMFN?= =?iso-8859-1?q?iEhGDW48dECBkUiXFt0tkFITcVn1rMVJCaj5qXG/AceYzNAbvKw+0uQHtUBC?= =?iso-8859-1?q?jJKoG9HU6WNHud5RWzb5Goze1gpDbh4BDOPLAyJ1/GhL7d3163hNyHUo+8vv?= =?iso-8859-1?q?pS9jjyKiCnKPg44uT/LlRepnzuRt7PAD1yT3JBSknHrQlChGkwhG7aT4IkfN?= =?iso-8859-1?q?aIJzTnJckkT5MXFt4AZOcRiERHRejq1sxhyEGZugmkOg7xhqAbaj/zgJ7P5x?= =?iso-8859-1?q?D2B23WbfiuIgo7ahZNnR1uilhmUcL1PVE8CcTtolFQANjesp7kUGAitb4fXH?= =?iso-8859-1?q?8Is5jHPUl8NNmOsttk4N1Rn7KXbcxgtFUItuVgOjvkv2A5STrnjvkexQi+sz?= =?iso-8859-1?q?QbGeLXlOxL0u7eN0mjrTp/X1pu9g0oUHB936SIEtE/2ZsuC+M9OSIYtDbU6s?= =?iso-8859-1?q?8dU+estul3443j/ceI/4BUBiXdg02R1pWuwmFbjUT2ADDgHBg137QgeJgrQ+?= =?iso-8859-1?q?0VuaLTvafxzN1ATdKYzXdvAOqQ3FrKIbLO6OvmEQ3/OVSetcpKF0eOP698Cn?= =?iso-8859-1?q?4IN/pQe6MIO3xWmWbepyq20wjn8SEI5OqmgjGxRCj5B1Nlep/+NBPUHCtt9U?= =?iso-8859-1?q?bAWB3efEBdQRDrksHFLqz5NbCPVqvmk1aG01kC5+dXtAhE24CB6UoBq4rfnS?= =?iso-8859-1?q?uT9u3C01LmULq0PhzK3BPwdi5ngut6OxojLiakFx1uvnYvLR9YcACe8C31k8?= =?iso-8859-1?q?btlHlyQoJ4k5+O8RfoxpKIzbV2+imLmMNDawIaZwqIJVcQTVVxTOLX6Sshei?= =?iso-8859-1?q?+IbeTrWjLdeKvfXGtgrV5X7elyj9c7Y2iYbKJIX2emop5t8utHtWUSFaGYcb?= =?iso-8859-1?q?TdBofksCjzc+hamExnEJJPJ/uiVN/F6nsol14tIMRYuG+ECHzy8y1I3X5eKE?= =?iso-8859-1?q?FyCGqx8hNqo5bCzllJZiU5dCAFz7t4afQTVCdA8EoIPd8PEMHjgMNYBLi0sO?= =?iso-8859-1?q?T0XkKZM0pqDwl008VjrPCxOZ2du9pV6XS9mUtGw=3D=3D?= MIME-Version: 1.0 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: B25gX4QlBgqIWJeajLfyICDPCRQfcbF8XXjC1NrDoq+mCZNlnM3HcfPQM6X6D3FJFEhi8Q3FtPko/RQFBCobQ4Czea1NieexHmAGmf9Hp21jtu+M3wJ1OAT1RcQlzv3CMDPwqemY9QHAwlSh3lhsNcfkOI3N5O7fUi1HkztrK3QTK6PADF1T+6HmQ94uEo2ouej5n8RnWMte0AvZJjw6nsWKt6mDvfOlAcT23WpSi9Un+eirHYfufKiGl3IqbeP6YfmcuWGVZQXT+hqsl7Q1BWVRwKT3M0gjH5weNrmCVkoyAfMnwJhLvvzRwtOl2R1Un9BFZ0vLq+YcpLsowNcu+uWW7Igambjxsu4b1d0LHR+k0sKt0oP2iM4PrQyYgklyNCyL2kYlMNrgnW5L2MRTShoOtRTAFbUVUO+/xHXmzrB6b4AjBOYGpS/GSPznU8s7inFDTta6XdSHJIxpUXXh1/N1YHkMy0v5oxkKrNEzfEjOcEqJ8wZU0pNgoAMhy0Py/gOroJBiAtT4G7eJlfGts5enp2+NB8LWp/TdEzHVTOvX2G5Xx6rIKyInuWbmFAJ7KYbM70wgFfQ7e3xvAnTg3NMX6EFiVq+r26oTvUeIpD8AgCW+z3etvoFIMuMQiTLGlzqwwTJJKNZoCBRzNqhpj0CCWXBIXRRkd6ovs1A9Ta8BiGtqO9BF9Zwwt8LyRkTxBqMkT1gt0IHOQ0n3yEbargqXLW+D9lxJ3CVptGN3V6UR5+jzlqFyaVqNCRiD/50YGjZ5R2K05tYhWA3k2Ew593SYx1rGEQvmZoxREO6aRwgES8+wL3NxBwhXUYAAbT+1sxwZT6z5R5GOedtkL5oLT0f0ralFG6N+FJ2wMaMUTF7Jth7DNzS42CG9TeRzwHncqeBW3ZDWgI3bjEenlq8kGA== X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR10MB3022.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 40f074fc-cf9c-4155-20fe-08daef513e97 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Jan 2023 19:15:44.7202 (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: z44lwaWnV7YGF3brVIG7JwR6nke45r7bWbzPICRBT8Pn0rCMTFufNFDBYg1OXjlsPtLarBLC0ikT6HPqk7OvcQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR10MB5231 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-05_10,2023-01-05_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 mlxlogscore=999 adultscore=0 spamscore=0 malwarescore=0 bulkscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301050152 X-Proofpoint-GUID: 30aAgKwaa2E7UjyUHPZe_OecvGio66W- X-Proofpoint-ORIG-GUID: 30aAgKwaa2E7UjyUHPZe_OecvGio66W- X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 2184B4000E X-Stat-Signature: ut6bhped3mp6b465tu9mfi1juhz5rzha X-HE-Tag: 1672946149-942972 X-HE-Meta: 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 YR2KZl2D 9fun+NiUsmFK7Lr5LgbFG76O4d/pzrZY/fLKp303fhWUEXMNq+/08ZZCKEpJLKk0YN68iAI69ydMyZvzkq/tBXkTMcoPUYpqmu0QZFU6ThhEvU2eQ2bM/SgeBpakaElpqXOceKtBVeyjkX26Tk5VohWeSLw== 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: From: "Liam R. Howlett" Andrew, This patch set does two things: 1. Clean up, including removal of __vma_adjust() and 2. Extends the VMA iterator API to provide type safety to the VMA operations using the maple tree, as requested by Linus [1]. It also addresses another issue of usability brought up by Linus about needing to modify the maple state within the loops. The maple state has been replaced by the VMA iterator and the iterator is now modified within the MM code so the caller should not need to worry about doing the work themselves when tree modifications occur. This brought up a potential inconsistency of the iterator state and what the user expects, so the inconsistency is addressed to keep the VMA iterator safe for use after the looping over a VMA range. This is addressed in patch 3 ("maple_tree: Reduce user error potential") and 4 ("test_maple_tree: Test modifications while iterating"). While cleaning up the state, the duplicate locking code in mm/mmap.c introduced by the maple tree has been address by abstracting it to two functions: vma_prepare() and vma_complete(). These abstractions allowed for a much simpler __vma_adjust(), which eventually leads to the removal of the __vma_adjust() function by placing the logic into the vma_merge() function itself. 1. https://lore.kernel.org/linux-mm/CAHk-=wg9WQXBGkNdKD2bqocnN73rDswuWsavBB7T-tekykEn_A@mail.gmail.com/ Changes since v1: - Changed the subject to better highlight the removal of __vma_adjust() - Converted damon test code to use the maple tree functions as apposed to vma_mas_store(). This added an extra patch to the series - Wrap debug output in vma_iter_store() with DEBUG_VM_MAPLE_TREE config option - Fix comment in mm/rmap.c referencing __vma_adjust() v1: https://lore.kernel.org/linux-mm/20221129164352.3374638-1-Liam.Howlett@oracle.com/ Liam R. Howlett (44): maple_tree: Add mas_init() function maple_tree: Fix potential rcu issue maple_tree: Reduce user error potential test_maple_tree: Test modifications while iterating mm: Expand vma iterator interface. mm/mmap: convert brk to use vma iterator kernel/fork: Convert forking to using the vmi iterator mmap: Convert vma_link() vma iterator mm/mmap: Remove preallocation from do_mas_align_munmap() mmap: Change do_mas_munmap and do_mas_aligned_munmap() to use vma iterator mmap: Convert vma_expand() to use vma iterator mm: Add temporary vma iterator versions of vma_merge(), split_vma(), and __split_vma() ipc/shm: Use the vma iterator for munmap calls userfaultfd: Use vma iterator mm: Change mprotect_fixup to vma iterator mlock: Convert mlock to vma iterator coredump: Convert to vma iterator mempolicy: Convert to vma iterator task_mmu: Convert to vma iterator sched: Convert to vma iterator madvise: Use vmi iterator for __split_vma() and vma_merge() mmap: Pass through vmi iterator to __split_vma() mmap: Use vmi version of vma_merge() mm/mremap: Use vmi version of vma_merge() mm: Switch vma_merge(), split_vma(), and __split_vma to vma iterator mm/damon: Stop using vma_mas_store() for maple tree store mmap: Convert __vma_adjust() to use vma iterator mm: Pass through vma iterator to __vma_adjust() madvise: Use split_vma() instead of __split_vma() mm: Remove unnecessary write to vma iterator in __vma_adjust() mm: Pass vma iterator through to __vma_adjust() mm: Add vma iterator to vma_adjust() arguments mmap: Clean up mmap_region() unrolling mm: Change munmap splitting order and move_vma() mm/mmap: move anon_vma setting in __vma_adjust() mm/mmap: Refactor locking out of __vma_adjust() mm/mmap: Use vma_prepare() and vma_complete() in vma_expand() mm/mmap: Introduce init_vma_prep() and init_multi_vma_prep() mm: Don't use __vma_adjust() in __split_vma() mm/mmap: Don't use __vma_adjust() in shift_arg_pages() mm/mmap: Introduce dup_vma_anon() helper mm/mmap: Convert do_brk_flags() to use vma_prepare() and vma_complete() mm/mmap: Remove __vma_adjust() vma_merge: Set vma iterator to correct position. fs/coredump.c | 8 +- fs/exec.c | 16 +- fs/proc/task_mmu.c | 14 +- fs/userfaultfd.c | 88 ++- include/linux/maple_tree.h | 11 + include/linux/mm.h | 87 ++- include/linux/mm_types.h | 4 +- ipc/shm.c | 11 +- kernel/events/uprobes.c | 2 +- kernel/fork.c | 19 +- kernel/sched/fair.c | 14 +- lib/maple_tree.c | 12 +- lib/test_maple_tree.c | 72 +++ mm/damon/vaddr-test.h | 6 +- mm/filemap.c | 2 +- mm/internal.h | 13 + mm/madvise.c | 13 +- mm/mempolicy.c | 25 +- mm/mlock.c | 57 +- mm/mmap.c | 1076 ++++++++++++++++++------------------ mm/mprotect.c | 47 +- mm/mremap.c | 42 +- mm/rmap.c | 15 +- 23 files changed, 876 insertions(+), 778 deletions(-)