Message ID | 20230117023335.1690727-39-Liam.Howlett@oracle.com (mailing list archive) |
---|---|
State | New |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> 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 AB97AC54EBE for <linux-mm@archiver.kernel.org>; Tue, 17 Jan 2023 02:35:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AD10D6B00AC; Mon, 16 Jan 2023 21:35:11 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A0A5F6B00AE; Mon, 16 Jan 2023 21:35:11 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6897C6B00B0; Mon, 16 Jan 2023 21:35:11 -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 1D6266B00AA for <linux-mm@kvack.org>; Mon, 16 Jan 2023 21:35:11 -0500 (EST) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id EC12EA0AD3 for <linux-mm@kvack.org>; Tue, 17 Jan 2023 02:35:10 +0000 (UTC) X-FDA: 80362723980.11.A68104C Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf20.hostedemail.com (Postfix) with ESMTP id 87CA31C000A for <linux-mm@kvack.org>; Tue, 17 Jan 2023 02:35:07 +0000 (UTC) Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2022-7-12 header.b=pnatHnwa; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=ZCzTNAIz; spf=pass (imf20.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=none) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector9901:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1673922907; a=rsa-sha256; cv=pass; b=ql6UPGWD8koiZak/CC8S+oY1NYpJENGX3b2XaVbtjJXBTDtgKxNXAYR2zUmwZuA7nrkv4y LBecFAK08TveEyPea8INyUQMbI6noELnqd6nC/aIffQT2dSHJOD6nvClnYzDmZSo9woip1 lJVuDKwZuKCaNmJF0TJU70DCCfImIsQ= ARC-Authentication-Results: i=2; imf20.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2022-7-12 header.b=pnatHnwa; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=ZCzTNAIz; spf=pass (imf20.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=none) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector9901:i=1") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1673922907; 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=pJ/7ZC+ntmfdKF++qbytFnfm14yjKCOCTjz8I9jpD0k=; b=trNrnHnE7HYQ/2QKikTUztkz0WiJWvu9WcJoPLED0IB+N+0NPKjpLLG8ZUSTyfR2Bb+Qzo 8uW7j/kGMq2eQ3LvOP2G2Fr806wbYwbTO/mMHckpiHrG70R4oA7KiesPptQxtdZxZbEfCI ROYJniv7rn/F7pg231HO6M8ce3uaDFY= Received: from pps.filterd (m0246629.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30H09ZsE005646; Tue, 17 Jan 2023 02:35:06 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version; s=corp-2022-7-12; bh=pJ/7ZC+ntmfdKF++qbytFnfm14yjKCOCTjz8I9jpD0k=; b=pnatHnwak/ocu9rJ8w3MILxfpTH/Io/KHrgzIds0JmnAi12m/O3l7BKqH7Ml3CB15Bhq PGQ2bvb1VatYAJrbqLxnQq5nwCRq0LbHwwMQvOsU1dQWcdGRiAXwvg7c0fqTZnUF4Ifr kW66lDUE0X9Kih09QRv70GQuUChMOAkDeDcA2iF64oJ63MDDitg706ASNsrnu6zmWPBS pHDNwt8kVu4gtIQkezWbt6CZzk7l0THNUqb9+vxNFN94XJreD5otZk0r/zo04yduN6Hh r6k4dd0ZYTesIPg2P4Mk882FhRvT+Bk/i3gT6WBSE3dKyOXUarXwI/pna0Dg4cVc75tp lw== Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.appoci.oracle.com [147.154.18.20]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3n40mdb5ew-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Jan 2023 02:35:06 +0000 Received: from pps.filterd (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.5/8.17.1.5) with ESMTP id 30GNCpCW004918; Tue, 17 Jan 2023 02:35:00 GMT Received: from nam12-mw2-obe.outbound.protection.outlook.com (mail-mw2nam12lp2041.outbound.protection.outlook.com [104.47.66.41]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3n4qyy10ss-9 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Jan 2023 02:35:00 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=WrqArGU//fnl/6OH6OPwctsJYNbeYHHi57X2JPp3GoaozKgYtY4q3fVwdH1b/4X6pJPZFBOuWlSN7MwdmfNAvZJ8JT32DibkOtZIOBk9YaeTmG/bOnyBMP+H3sYoH0n8Ns6IMzNXxw3+OYUQsOdVRFC26q7kCCLSbbj2dTosY66btYcbAdX3rqF6LfvOH5G/g91MLB9GmzyLjSvBH7Hiowf6i5xL5vu9G7geRwiBG1xbZEnXdTeafLyWo39xX59hvpQJicG3VhVDLrk95KkcXzD7xCloiIcSdM/I/spsK3XkUQio3FTC9Ggm1aEajrlu5ZzdssYV/GSgiA1lnEvUrw== 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=pJ/7ZC+ntmfdKF++qbytFnfm14yjKCOCTjz8I9jpD0k=; b=bDgageNsmCJtpl69Mc+Qmn00sW8E6phnttop+kE0tGBVZeB2vjLKz7x2XcQgRBQePNRc2dX9jHUAfuh/2qn6tzexg2xseQlFo9177mvna4FcXSK4Z0jGhy2eiCZoY6mx6gV5GKcTLirERMr9Qmdt8mmrSXwVt6pQpi4V15sBYeBX//E30CQ62c2ro98QTkeyxCgmtzlD0ok9OBz09SfJZyQ2KKK2jp37EH8pO15gevo09hMtKJUfo15PMQnoCoKZ+kTeRpaXgLYvySudJiLIN2SHN+ou2toyJMLwxf3A9jtOrGNuxnSpoZt2ncPuSLwi2UJo2vyjpbf59AdQL0wWEA== 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=pJ/7ZC+ntmfdKF++qbytFnfm14yjKCOCTjz8I9jpD0k=; b=ZCzTNAIz1ebl8jiLP1hdEbiCaUwHkRJKcNAMov4JnZTJ7fn9aDHUnjiO0jGkTwB6Jwku1H1zN9EHbaDbQKeTwMre1mv1FlIW85b0k8fALyssPZElXDAlR5JIIiRYrhRYkd+u2b7NCCqOjWN6/JZVhLFdaC2tnH/2R5y0C0AJs4A= Received: from SN6PR10MB3022.namprd10.prod.outlook.com (2603:10b6:805:d8::25) by CO6PR10MB5538.namprd10.prod.outlook.com (2603:10b6:303:135::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6002.9; Tue, 17 Jan 2023 02:34:58 +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 15.20.6002.012; Tue, 17 Jan 2023 02:34:58 +0000 From: Liam Howlett <liam.howlett@oracle.com> To: "linux-mm@kvack.org" <linux-mm@kvack.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Andrew Morton <akpm@linux-foundation.org>, "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org> CC: Liam Howlett <liam.howlett@oracle.com>, Liam Howlett <liam.howlett@oracle.com> Subject: [PATCH v3 38/48] mm: Change munmap splitting order and move_vma() Thread-Topic: [PATCH v3 38/48] mm: Change munmap splitting order and move_vma() Thread-Index: AQHZKhw010/t6IOVzkK9qaSgGgYYIQ== Date: Tue, 17 Jan 2023 02:34:21 +0000 Message-ID: <20230117023335.1690727-39-Liam.Howlett@oracle.com> References: <20230117023335.1690727-1-Liam.Howlett@oracle.com> In-Reply-To: <20230117023335.1690727-1-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_|CO6PR10MB5538:EE_ x-ms-office365-filtering-correlation-id: f70e9818-ceec-4ec4-33ad-08daf8336d52 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)(366004)(346002)(396003)(136003)(376002)(39860400002)(451199015)(36756003)(91956017)(86362001)(8676002)(6512007)(64756008)(4326008)(186003)(76116006)(66946007)(66556008)(41300700001)(2616005)(66446008)(26005)(66476007)(316002)(71200400001)(478600001)(6666004)(38070700005)(6506007)(54906003)(110136005)(107886003)(6486002)(44832011)(122000001)(38100700002)(2906002)(5660300002)(83380400001)(8936002)(1076003);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?q?Vd1gBlzoFWI+Z44eQeT4qqG?= =?iso-8859-1?q?JN7x5Il3A60HRCH01bjK2sdzGcCmYFsuZpwGYvfRGlgRUE/jD6+xMgDazrFJ?= =?iso-8859-1?q?VquO67bDFR1T5acVUtV/DB9NxpGEPWJ+6TlJfAGp4xHT9nMehW2GbLb39SkL?= =?iso-8859-1?q?/s9L6iq5gdklbTSLu8caTUfnJMdfno1ECk55qvTZyA74qKrGEvpidC8Bwwqr?= =?iso-8859-1?q?c3CDXw1AUzuJcsj6k8p/8zlHjucIHGxtLwcNSYxht4xnjw3awjf/Uuz1f1cQ?= =?iso-8859-1?q?HktGLZIA4qMd0kP276QFMSaEGsq3ap35vrpDl68+L9fFd9PkfVAz5dV6vDs7?= =?iso-8859-1?q?ijq9Z54kn2pPtyfRP3CssId0vx9lJIR0Mkx7oogCvKGfbpCO9KUo86+4tiXN?= =?iso-8859-1?q?wWjpoBUCdjUpSccepBTUdCPHsfayKthomoN4tGyzR9aNwNlbw8n2M9QI7IdA?= =?iso-8859-1?q?FhX4KWp5uVEjlqUwEmgdNKTi+WePB9TMZkmH+xUY6WVWeM9IdiDpEB605yXB?= =?iso-8859-1?q?iCf7BtOT4YFNyeX2uCiXEo9MHkNR1Kt5bUhhg84NhnX9D22cru6oa4355uF6?= =?iso-8859-1?q?8vpvGfAbVSDP1rwRtwMrZuBBjFP2Iew2n/dx9o+cI/Vtb1TvFlAz9cPiF47A?= =?iso-8859-1?q?0p2DF/IVkbHP/ccgFUkvpcLglWRBhZgTEw6Xws2uiPOnOL4S7J3WaZ5KJEnD?= =?iso-8859-1?q?lfPr2POQDP24Z6s6DxokW3q5yduF6/6CH7gOeB1Py9YSGk2qmdsRIDzCcq3J?= =?iso-8859-1?q?eN7193LK22rKevPWTA4PUm069mMP6Rw2IfaT1QLeg+11pzKZSLijyXVyVMKz?= =?iso-8859-1?q?RDIdk3LobqbE2kpx3s5y8qbzpB1vUHrdshYZ1yEQP3OA5dj9EypuH2Eu0mkC?= =?iso-8859-1?q?tHqydDcTw3rZyabA9fV3TrmqIT1mXfTU73kxmusmWvH2bJCSjalppoz+gFxc?= =?iso-8859-1?q?l1nAvzLHPa21nYrXbc2chvaRMWWlldaRmTmRGmnDQU9HW6peWfsDzuYHQpsG?= =?iso-8859-1?q?wE4Qje8bLI6fU/zKYhLUY5pYSWA0+I8IvTZe90JrzsXMEy9DMz+JMsEJ8Bau?= =?iso-8859-1?q?Gi0OIIiOePeKsgq9XWmPqizIuc8+gvNvr7HukKKVZryBDk9lUFl9gvOZA+Pk?= =?iso-8859-1?q?3bViRQfDVMBY9p3zTLyIbSnMitvdZppjwTt8ABThIhxGzwz/yhvJfSxwyNly?= =?iso-8859-1?q?JxZ91EEc86VX+lRLyL0J1FJ6Xz84yrh4RyS//JBXV3zoMqRCTgU0F64KvfbI?= =?iso-8859-1?q?iXNnzoc2ixD3zm5sUgmbZXorTp3vj4zJu1hWONwNiVWzl5kGK5cIsw9mVuRz?= =?iso-8859-1?q?Qoyi/wgC0hrAmTba3pMrg7IWuPpyikhdK00z1pI9qwU9am8SWAXbgw3uJ0YD?= =?iso-8859-1?q?M0Al0HOWoq58MURnxQchBfeqTWQJJ36WJ/oCkqx0e0ho/FXel799i3umTMQc?= =?iso-8859-1?q?aq5cOz96ktBh/t6leDDe8wP5ycongD4L9zBWscufY5YEkDy0z8OfAyfbPLTQ?= =?iso-8859-1?q?VKfpIWFNd1X21FCLjcy9kmJfXEPAQc1lzUHadr6n39/l7GBJ7HrCRjKFEXn7?= =?iso-8859-1?q?4TG6kZ8grDFYmXzaLUF9lJOYxIC1U3BxRf18Zt3pFcPhnQyCOHPAdsSjRc1f?= =?iso-8859-1?q?OcGYjJT/ivXxZTbZ7QxcEautg3UcsauhNrupCyQ=3D=3D?= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 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-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR10MB3022.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f70e9818-ceec-4ec4-33ad-08daf8336d52 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Jan 2023 02:34:21.8589 (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: LXgVqPXP3K2TKSljjUJV1I1hecFqkXi9XblDz2gFlEEFv5Ks3MIETG3xiDq2mCneMGU5NxWi8WkELBBNlCNztw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO6PR10MB5538 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.923,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-16_18,2023-01-13_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 malwarescore=0 phishscore=0 suspectscore=0 spamscore=0 bulkscore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301170017 X-Proofpoint-ORIG-GUID: 8sBs_7mJaU3KoUu7LHY8UI3VelJ1mHmQ X-Proofpoint-GUID: 8sBs_7mJaU3KoUu7LHY8UI3VelJ1mHmQ X-Rspam-User: X-Rspamd-Queue-Id: 87CA31C000A X-Rspamd-Server: rspam01 X-Stat-Signature: h31rbd1czikw18fh6fi5euowh3nahk5b X-HE-Tag: 1673922907-970850 X-HE-Meta: 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 c+mIqBcG Z/a+YWe5ghUYtlIdG8ouAtHqqA978Wv88nXtgCCGg3qtNVzg3u4hNLjy/MO/LkaF/w1kj/VQ0Ju+eTiC9ImgSCUCX6zJq0jlaDTNarjnZPyh6AwfWxZ8El01IRSbRLa7hPqwjvR5494G+jBOsQsDuq1o4AA== 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: <linux-mm.kvack.org> |
Series |
VMA tree type safety and remove __vma_adjust()
|
expand
|
diff --git a/mm/mmap.c b/mm/mmap.c index 01988db478e1..434020155f8a 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2328,21 +2328,9 @@ do_vmi_align_munmap(struct vma_iterator *vmi, struct vm_area_struct *vma, for_each_vma_range(*vmi, next, end) { /* Does it split the end? */ if (next->vm_end > end) { - struct vm_area_struct *split; - - error = __split_vma(vmi, next, end, 1); + error = __split_vma(vmi, next, end, 0); if (error) goto end_split_failed; - - split = vma_prev(vmi); - error = munmap_sidetree(split, &mas_detach); - if (error) - goto munmap_sidetree_failed; - - count++; - if (vma == next) - vma = split; - break; } error = munmap_sidetree(next, &mas_detach); if (error) @@ -2355,9 +2343,7 @@ do_vmi_align_munmap(struct vma_iterator *vmi, struct vm_area_struct *vma, #endif } - if (!next) - next = vma_next(vmi); - + next = vma_next(vmi); if (unlikely(uf)) { /* * If userfaultfd_unmap_prep returns an error the vmas diff --git a/mm/mremap.c b/mm/mremap.c index 00845aec5441..98f27d466265 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -580,11 +580,12 @@ static unsigned long move_vma(struct vm_area_struct *vma, unsigned long vm_flags = vma->vm_flags; unsigned long new_pgoff; unsigned long moved_len; - unsigned long excess = 0; + unsigned long account_start = 0; + unsigned long account_end = 0; unsigned long hiwater_vm; - int split = 0; int err = 0; bool need_rmap_locks; + VMA_ITERATOR(vmi, mm, old_addr); /* * We'd prefer to avoid failure later on in do_munmap: @@ -662,10 +663,10 @@ static unsigned long move_vma(struct vm_area_struct *vma, /* Conceal VM_ACCOUNT so old reservation is not undone */ if (vm_flags & VM_ACCOUNT && !(flags & MREMAP_DONTUNMAP)) { vma->vm_flags &= ~VM_ACCOUNT; - excess = vma->vm_end - vma->vm_start - old_len; - if (old_addr > vma->vm_start && - old_addr + old_len < vma->vm_end) - split = 1; + if (vma->vm_start < old_addr) + account_start = vma->vm_start; + if (vma->vm_end > old_addr + old_len) + account_end = vma->vm_end; } /* @@ -700,11 +701,11 @@ static unsigned long move_vma(struct vm_area_struct *vma, return new_addr; } - if (do_munmap(mm, old_addr, old_len, uf_unmap) < 0) { + if (do_vmi_munmap(&vmi, mm, old_addr, old_len, uf_unmap, false) < 0) { /* OOM: unable to split vma, just get accounts right */ if (vm_flags & VM_ACCOUNT && !(flags & MREMAP_DONTUNMAP)) vm_acct_memory(old_len >> PAGE_SHIFT); - excess = 0; + account_start = account_end = 0; } if (vm_flags & VM_LOCKED) { @@ -715,10 +716,14 @@ static unsigned long move_vma(struct vm_area_struct *vma, mm->hiwater_vm = hiwater_vm; /* Restore VM_ACCOUNT if one or two pieces of vma left */ - if (excess) { + if (account_start) { + vma = vma_prev(&vmi); + vma->vm_flags |= VM_ACCOUNT; + } + + if (account_end) { + vma = vma_next(&vmi); vma->vm_flags |= VM_ACCOUNT; - if (split) - find_vma(mm, vma->vm_end)->vm_flags |= VM_ACCOUNT; } return new_addr;