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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEC15C433EF for ; Tue, 5 Oct 2021 01:32:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9C3D461247 for ; Tue, 5 Oct 2021 01:32:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232948AbhJEBeb (ORCPT ); Mon, 4 Oct 2021 21:34:31 -0400 Received: from mx0a-00069f02.pphosted.com ([205.220.165.32]:51926 "EHLO mx0a-00069f02.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230366AbhJEBdj (ORCPT ); Mon, 4 Oct 2021 21:33:39 -0400 Received: from pps.filterd (m0246617.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1951BZjU010255; Tue, 5 Oct 2021 01:31:30 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-2021-07-09; bh=++gcCdGM8uVYpNf+4XchV9rALNJhncj8MsZUY6bEUY4=; b=dlkPCHOPdWEhn1aKnRwD6U7eTdqAc7hPKiOJ/d31KJqQLG9gJTV3O0CTOSE6lTtmNzE3 MUmRUdX+YjBUDLeXjkLXyvI7vyXbkmg9gGaiOTymInVbuLGHffKwQxreeCaIEnEn1Qhc s2Aq0hLveIqC3cT1Qg5RepFHc4jw4bwdsnFWA9J4+xY+jBr2TVNhoW/lHIoOn26VsvNf 2AjQCZepyNog5CL0dJHEKaglVXvNma9Wb3LsFwZsXwr+t99vXzvWPvzygs4pMqTOl+ie apDH6LVvwFXACvrXOg3Ps00ec1wTP9W4o9/UqBL1kJXdHP2zmGN32ACDZj269xllwg9J vg== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by mx0b-00069f02.pphosted.com with ESMTP id 3bg3upv3bw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 05 Oct 2021 01:31:30 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.1.2/8.16.1.2) with SMTP id 1951Tu3i056799; Tue, 5 Oct 2021 01:31:22 GMT Received: from nam11-bn8-obe.outbound.protection.outlook.com (mail-bn8nam11lp2175.outbound.protection.outlook.com [104.47.58.175]) by aserp3030.oracle.com with ESMTP id 3bev7sgru8-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 05 Oct 2021 01:31:22 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=NTTNR8mtbjmk75KC0nxJ2X1RQUkzBWRqOPQFGIHhJySqqTvZfddXY/NRl7aR3DDZIaJ5eeyniGpKRB+yqtDAzB8QF14ziMZiu0tXS8UrS4oiCArMkDcYYZHl3jZsMcgdfZxFpbVpEuygvKjwZZg3RIY7xIOLrf6W86BpIv+ZaKEcghZwvvpW7mxwKS9WjjJ0nxxAmk8cdehN+J+xfqqjT/oyho4KSjnBQmkI23gFW2enmwUd98ySHXXe7rgxbsfwYzG3KLl5m6hisfKEBLPdCnw9/BNUm/oX9zeLsegUauCAsGPCbl3h7iymaOJl62iCl4Wf3hwx82DABuPl6zZ3tg== 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=++gcCdGM8uVYpNf+4XchV9rALNJhncj8MsZUY6bEUY4=; b=GZUxLIlmrbDv9F9kxFVBs6xKToUQxX/irFX/ZFichF/F6eqlirAHPBl6zNzvQHnGgZmYiMFC5tlxVCVzitcQO8HNUP4IU8EAceBYLJt4NTChAS1/M1tpHaXJ3dZt4sTHsYQYNhxL1aY7ePG6/jWIpD9rRbreHcO96MvTbYktxZbqMJiDj+7Qpg7cV1tQ0VohY/xlOBR3Y4RveXcVCgOxE0paFMTY4JePXAsFXrOk7/SuVyKunFdYQ+mBeAMggiB9EUuH9Nd/Q7qdqr6m9Gdfne9GFJY2gZ/J2OuBMY2jsUBVRP90Kpm9sUIEKuk/38d+uVmRCpJpz8XymRyQWaxeiQ== 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=++gcCdGM8uVYpNf+4XchV9rALNJhncj8MsZUY6bEUY4=; b=FbSRz9jVATd1Jk2fTPo4t8DlpJtLKD1aYUzq7Nf42+/nIYgNz58JdLwYpIM1TomFnrJnhaiYOp/v/N5qJFDHULxKmOlZOjceGxloNCumYRAeEg4u8KjEBtjX4VKZPjf8E14fDJxoFktehXHFWdTgkjVQwxjxGy97/Cz9mas8BFk= Received: from BL0PR10MB3011.namprd10.prod.outlook.com (2603:10b6:208:7e::29) by BLAPR10MB5044.namprd10.prod.outlook.com (2603:10b6:208:326::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4566.15; Tue, 5 Oct 2021 01:31:20 +0000 Received: from BL0PR10MB3011.namprd10.prod.outlook.com ([fe80::6d61:54c2:40f0:93a]) by BL0PR10MB3011.namprd10.prod.outlook.com ([fe80::6d61:54c2:40f0:93a%5]) with mapi id 15.20.4566.017; Tue, 5 Oct 2021 01:31:20 +0000 From: Liam Howlett To: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton , David Hildenbrand , Douglas Gilbert CC: Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra Subject: [PATCH v3 31/66] arch/xtensa: Use maple tree iterators for unmapped area Thread-Topic: [PATCH v3 31/66] arch/xtensa: Use maple tree iterators for unmapped area Thread-Index: AQHXuYigBQj/x4OK1kiunwQ/38SMew== Date: Tue, 5 Oct 2021 01:30:49 +0000 Message-ID: <20211005012959.1110504-32-Liam.Howlett@oracle.com> References: <20211005012959.1110504-1-Liam.Howlett@oracle.com> In-Reply-To: <20211005012959.1110504-1-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 2.30.2 authentication-results: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.org; dmarc=none action=none header.from=oracle.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7db497b7-9a72-49c4-3f1d-08d9879fd5bc x-ms-traffictypediagnostic: BLAPR10MB5044: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3631; 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:BL0PR10MB3011.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(366004)(110136005)(71200400001)(8676002)(86362001)(6666004)(6506007)(6512007)(4744005)(36756003)(316002)(8936002)(54906003)(2906002)(83380400001)(186003)(66446008)(122000001)(26005)(7416002)(6486002)(4326008)(508600001)(2616005)(66476007)(44832011)(38070700005)(76116006)(5660300002)(91956017)(64756008)(66556008)(66946007)(1076003)(38100700002);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?Q?LQj2jZVbIDg6S8HPAHAtQjXNjrbQETvz8WLWIue2wR2uMYKe/9AT0g1pn0?= =?iso-8859-1?Q?52sIpWVDmaav1k6OcnxIzG4k0rptO4xzBg9vIxKH9XMQp6q1DJD/4IlUM0?= =?iso-8859-1?Q?JHomtekpFQbJkfmmlpGOouWnzaMgm1ynIZnqGAdiop0OSwb5JRjftrHIcW?= =?iso-8859-1?Q?5MfR1t76XQVzESMycC2mQIZ1UVrz7jmfNGFACkqIEe945E2hIaY7SqKnLV?= =?iso-8859-1?Q?pYisvfVgkfuvRNARHfDrL2NDUoxMWSsG7Wocguowaw5YuWOMcU2vS0Re1r?= =?iso-8859-1?Q?UUTMGrCW2S1PfYe7DkiY9BQLHs8q4o6b8Ym4zjPEe/OugxlkCUBWw3LRnh?= =?iso-8859-1?Q?uLCt6fn1Ve5rns0Q7m7F/SDIDqq9bU1xhX6JhSEHiTc+nVVrlwKe8GxiN5?= =?iso-8859-1?Q?v8X9QxO2EGCW1TCAsKrtWP5hb0jd/xoBy+EDhhXzLuqbHVF8ojLLWnxx7F?= =?iso-8859-1?Q?jmDclBB1rqr+H9rQxHCi5/mDmMtUJgXqMlhRQTXI0sqrniZArJc7UcgnP/?= =?iso-8859-1?Q?kF/YDNVsd3kmYgSRz0lFDXI0JcZJz8GxqA8+sbasTCeN5Q62+lSEQp+Vvq?= =?iso-8859-1?Q?wTB/UDpM98vxwDx8GEw2UDQ60FD9upV/p+lSIFFtXWmrEvOKtdzwbmnvK0?= =?iso-8859-1?Q?411djoA/w5yVtAnZY3NjqJgfw+zVF3rSSWC+lL5NdAAQtrqCZoS0WOtUZu?= =?iso-8859-1?Q?DZxv+FWkx3pPFAc2fSzSetQEsV4ds7WmLJSN8V19jYStO9EIq2p8TXbcgV?= =?iso-8859-1?Q?lTimtA3Uj6wan9EeWMBbxvwx8AqKJ3953djVVgpB9avrCfMGN6wrY1SzXa?= =?iso-8859-1?Q?4FohreK3g3wbd/dF96cgABhtD46IkUiySjx+HKjo+HzO++70v/XbBLvqI7?= =?iso-8859-1?Q?YkjgU0tZdMDZh2ywyqVG2Su+Vpg/iPJWVFJBZYXgJKhmjfPGveMsPmOX6B?= =?iso-8859-1?Q?LaZAqWw1Y0WimfLuTsH8UhWzx5wpMjw6oDD1krZdPCeNDSA5ahMMEtPRTk?= =?iso-8859-1?Q?zrbkEtWUw/r4SbXuoG3EBglfV/B4HhSNhBeo2w/eUUM/EsPn6OsnaRwmVc?= =?iso-8859-1?Q?VQIIbVd4AjYMHx1fbSW/qQG4snBD8uRwedRLLyDKVw9JmctM1OnG7HN2pN?= =?iso-8859-1?Q?VqUXeqDgEn0xu/3SUvh+r38cn0qhvc4euF9aiTNCXkCOWXOoXzBEfGq1cS?= =?iso-8859-1?Q?UUAxGgamxN5WR1uqOoyv1uAT0xsSqIUz16/gbofLu+aW3EctsN5YomKdTI?= =?iso-8859-1?Q?p8u4XLNnw7so5Vb2BKas9UvtmHDB05PeQRqNR2PmfwqnKTuQpqFolzAxun?= =?iso-8859-1?Q?30RbbqNQDbCW8+WQ68wfEJ0pvatmMRZ4pEW3+xP88MzKGDCGoD8C4OcJk4?= =?iso-8859-1?Q?QS8rvgwHqg?= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BL0PR10MB3011.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7db497b7-9a72-49c4-3f1d-08d9879fd5bc X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Oct 2021 01:30:49.6885 (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: B+rtJ3lQzOYMfb0FRpBmpOhggsXZZ3FStH2hOctMyGFC1vOGNEaEx/7aFswN8r+hvUorpHIXTJnaRAW/V2kDfA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLAPR10MB5044 X-Proofpoint-Virus-Version: vendor=nai engine=6300 definitions=10127 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 mlxlogscore=946 adultscore=0 bulkscore=0 suspectscore=0 malwarescore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110050007 X-Proofpoint-ORIG-GUID: m2cIRR757TuCr2FfFBdSsHFn94G0nxyv X-Proofpoint-GUID: m2cIRR757TuCr2FfFBdSsHFn94G0nxyv Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Liam R. Howlett" Signed-off-by: Liam R. Howlett --- arch/xtensa/kernel/syscall.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index 201356faa7e6..118fe0ca7594 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -58,6 +58,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, u= nsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { struct vm_area_struct *vmm; + MA_STATE(mas, &mm->mm_mt, addr, addr); =20 if (flags & MAP_FIXED) { /* We do not accept a shared mapping if it would violate @@ -79,7 +80,8 @@ unsigned long arch_get_unmapped_area(struct file *filp, u= nsigned long addr, else addr =3D PAGE_ALIGN(addr); =20 - for (vmm =3D find_vma(current->mm, addr); ; vmm =3D vmm->vm_next) { + /* Must hold mm_mt lock */ + mas_for_each(&mas, vmm, ULONG_MAX) { /* At this point: (!vmm || addr < vmm->vm_end). */ if (TASK_SIZE - len < addr) return -ENOMEM; --=20 2.30.2