From patchwork Wed Apr 28 15:35:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liam R. Howlett" X-Patchwork-Id: 12229415 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,PDS_BAD_THREAD_QP_64,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1CE94C433B4 for ; Wed, 28 Apr 2021 15:36:26 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 93E2561407 for ; Wed, 28 Apr 2021 15:36:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 93E2561407 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C7F576B007E; Wed, 28 Apr 2021 11:36:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B870A6B007B; Wed, 28 Apr 2021 11:36:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8EBCE6B0080; Wed, 28 Apr 2021 11:36:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0172.hostedemail.com [216.40.44.172]) by kanga.kvack.org (Postfix) with ESMTP id 516F16B0078 for ; Wed, 28 Apr 2021 11:36:03 -0400 (EDT) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 10DA8180AD811 for ; Wed, 28 Apr 2021 15:36:03 +0000 (UTC) X-FDA: 78082176606.17.53928B6 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf20.hostedemail.com (Postfix) with ESMTP id DFEE2FA for ; Wed, 28 Apr 2021 15:35:53 +0000 (UTC) Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 13SFOcnR011645; Wed, 28 Apr 2021 15:35:54 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-2020-01-29; bh=lDuu09wJBa7YYQ7mxXae6D1w6Qf6gC8hA8PyBKDo+wQ=; b=KFpf0MPlxHRbQMFn1Sn6duQTG7NWbFkimXgOgn75/gANA6yO0wMVECx3DJpBm9teh8KD arhFcKgawc9Rrz93gGh1sdbR8ubPqJmWaF2y631y4lj6jOnMWf46R6F9Heg0qBBsPcqU C3BJqR8eR+QL4zuRcRbFjqdCrzM7Dr86GRD9mWnqMW38Cxvykys7fdjXt2ltT22YekvJ jJozJ1Enn6Oe1izb9apjR5J9TY1Y14/g1vsljfWoBuK1BjpmeX+bwSeefiMDufUrObpL TcEOpEWxJbIN8nFc0WBU0n6Yti3X3JrABRQ8GOiPeq7tw+FADb6j0SQ2/3i6IZqGik4w DA== Received: from oracle.com (aserp3030.oracle.com [141.146.126.71]) by mx0b-00069f02.pphosted.com with ESMTP id 38789105xm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 28 Apr 2021 15:35:54 +0000 Received: from aserp3030.oracle.com (aserp3030.oracle.com [127.0.0.1]) by pps.podrdrct (8.16.0.36/8.16.0.36) with SMTP id 13SFWkAX003673; Wed, 28 Apr 2021 15:35:53 GMT Received: from nam10-dm6-obe.outbound.protection.outlook.com (mail-dm6nam10lp2108.outbound.protection.outlook.com [104.47.58.108]) by aserp3030.oracle.com with ESMTP id 3874d273w0-11 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 28 Apr 2021 15:35:53 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=magtRcIQoSyxI3a0UZOct+yOU7vTB5KaSSnasl67ApboNla3nZsEpuCR+KMnnB0+9h9fAAbZeDV0I3jm+uh/PHlMnrt8XgA839/M1mxJSvY5/U8FqhZi36XByk4Y7APCj5GVVfHFFDKOGdwD1jzKhUicSBGV7D8E2jFwingfgshunYfYP0nLo74+gmcDubdUu32ePjq93b2Oue0Q+amGpuMvozjVA40DxUuLiYh/Hh4+jNZZ3Vh+ets7qDvsqp3QrcH823pztkHZQ+6Cg+W+rjyby17/2RM4jaML2r/VLixIGzdXhxhF3owmgWts94V2SdNoanvEo+zVHjejw6bRQQ== 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-SenderADCheck; bh=lDuu09wJBa7YYQ7mxXae6D1w6Qf6gC8hA8PyBKDo+wQ=; b=YuvHb+nSLshCuvQzSS3fPkVTX/UyCbZzJvekvOwY6PEPOKZw0m/AU21XMW5wrRwjKvozWN7ucByLk0VMd8+wraI9VeR5andGZHVOFkZkupctuEgLfg9R2RDewjwHYl2gzhvwUtXyGHTtr9mAlD36PQmgcKlyT6TI3q394QHj7hS5BqbtFR3DCQtOQTAvjDSQSNntQ3bT9RgT6UT9x9uBohXaPBeO5GJUGuzrNjMLGQWEdUTw+Ss/NtsmkRhd9qrgFOlLh48x3lbybsRg0AVkvIxpRelMoc6rn/FQIsBw9N05zEtYuefQUiI/Ajqe3pJCfK4H4I/VbQbQq1SObbBt7A== 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=lDuu09wJBa7YYQ7mxXae6D1w6Qf6gC8hA8PyBKDo+wQ=; b=ryi0HstakZgpOjLNIWeuREvoKMOEJUAkNWU2vFEfXpAQJcPbUQNKXJsUgIrCbGJmtIng5eI5TYDhwlMq1sAh90f/NhgjFqsv6wfYV8at5+E3MM/tYzHIcU+A/Pmx0dLKnVJFzO4Phs9KEMVI1+kNFfDHyeNwqZzBaO+i8TDbAGQ= Received: from MWHPR10MB1582.namprd10.prod.outlook.com (2603:10b6:300:22::8) by CO1PR10MB4497.namprd10.prod.outlook.com (2603:10b6:303:9d::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4087.25; Wed, 28 Apr 2021 15:35:49 +0000 Received: from MWHPR10MB1582.namprd10.prod.outlook.com ([fe80::353a:1802:6e91:1811]) by MWHPR10MB1582.namprd10.prod.outlook.com ([fe80::353a:1802:6e91:1811%8]) with mapi id 15.20.4065.027; Wed, 28 Apr 2021 15:35:49 +0000 From: Liam Howlett To: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton CC: Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Laurent Dufour , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra , Michel Lespinasse , Liam Howlett Subject: [PATCH 14/94] misc/sgi-gru/grufault: Use vma_lookup() in gru_find_vma() Thread-Topic: [PATCH 14/94] misc/sgi-gru/grufault: Use vma_lookup() in gru_find_vma() Thread-Index: AQHXPEQqv0xpXkdFOUSgDNoqmZdW8g== Date: Wed, 28 Apr 2021 15:35:49 +0000 Message-ID: <20210428153542.2814175-15-Liam.Howlett@Oracle.com> References: <20210428153542.2814175-1-Liam.Howlett@Oracle.com> In-Reply-To: <20210428153542.2814175-1-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-originating-ip: [23.233.25.87] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 8d8126cd-a17b-4955-6fc3-08d90a5b4cc9 x-ms-traffictypediagnostic: CO1PR10MB4497: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4125; x-ms-exchange-senderadcheck: 1 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:MWHPR10MB1582.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(396003)(136003)(346002)(376002)(366004)(39860400002)(2616005)(54906003)(4326008)(110136005)(36756003)(4744005)(5660300002)(6486002)(26005)(6512007)(6506007)(86362001)(38100700002)(76116006)(478600001)(2906002)(66446008)(71200400001)(91956017)(64756008)(66556008)(66476007)(7416002)(66946007)(122000001)(8676002)(1076003)(83380400001)(8936002)(316002)(107886003)(44832011)(186003);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata: =?iso-8859-1?q?BRTVWXV2bkmtcteGmni+aDUJQ?= =?iso-8859-1?q?dl856lsgM3YFiu+dnUrwWxWo1b3U/GeMngE8NEbUR+rR+cbF5Y6JAmwzQmBM?= =?iso-8859-1?q?+rGkFdBOEcQZjOaoUNYYBwnkqfieXdR8XgFBQ9WObFgjmyDhJN1Xjz3a91SA?= =?iso-8859-1?q?7GhhmcDEBV+v1VnLaeF42du8o1kkDMMtJtewplSwIes9Fv4I3UvNuRXza910?= =?iso-8859-1?q?WCwvJwvHzOus9zooP0cr9FZWtu01I/OGI7sx0+SwmvIiIV4i6Ioq2hIw7BzA?= =?iso-8859-1?q?qW6zFGLlEnAMfv+rZOaYTzIEgKqiafomVfPQgNetkvAWSsvzBdNFQUTsvdAQ?= =?iso-8859-1?q?lE5lnJmDGjkOGDkoFBHW+TCf2i/qAQjiw6wLvUO8L85Xzk/CoQfRliTtPYJq?= =?iso-8859-1?q?Rh/EjkIWwO5IRl/gCd7gdX9hQIMml86dDoUqxdWQPHSiiz12uJNgnJarKRS7?= =?iso-8859-1?q?EN30pLeH8cdKwBuSLhAcmi6Knm7BPxXZhpLP9Km63kPxYJ5IF0jeI97r707d?= =?iso-8859-1?q?lRbqCmNneXlcz/+xv8GZBhIUBwTPQ3rCAoU8l6Kf8lxyEWCK1yK6zZ6Ztfao?= =?iso-8859-1?q?5g5dHqka9pPfxSvbyRp7jLTe/qZ4SnIECmdRxDb6BcQcrhIpuKzQ53HWb6d3?= =?iso-8859-1?q?I1Ddu+jGw5IaZw9a3DBFNpkt/jM2GuqmwoXRxmV9n9go4tEoyIzJDThpeTzW?= =?iso-8859-1?q?Ztb8mBEH/MrykYewMkB9ggfbbSZQqAD0F1bKPyGW8p/QkezHUK+EgA0lE7rl?= =?iso-8859-1?q?QjneMC9Gel3lJEMvsr26U4wj2wCPBoL+/MiecbFdpEiz7wggV0hC7f3DfVYQ?= =?iso-8859-1?q?jj3NEBeOi4Ddm8Xdy946k/IP4/JIKmx5RGi2kxOKuI6PMXMRwRTFRfY7/onr?= =?iso-8859-1?q?IiurwiY7mqAiUj7EpHa26+5ZDfFrSoJ83/P5wy5NdjgpzbzzD5qoKhva0M4/?= =?iso-8859-1?q?eSnnUMa97grtm91MmAzH7psU8xpoIu52lqOSdoZas9De+ATpDljSo+4MUXsx?= =?iso-8859-1?q?VkF+q9zBQgPo36QyZvsoSGCxl2VxnA9ru8WkmEZpsz0Ccb+4tjrnfOm2M95D?= =?iso-8859-1?q?IgX4F/ecS9e6KkwkQc87Fkas0PBh9JY9Uf1kqlSRtP/5XW6MbQwzpQ5rER9A?= =?iso-8859-1?q?ubjrcauXxN/YpYgoB0/pJ9csHcToIlRgHnbZZ/t4zRdT54/eg9MgfVZp5rhh?= =?iso-8859-1?q?Mm94BU2u2hoFgmZQoBHaHK8KTGrRUO8oGC3+RtYH37OVlqXZ9T3zenSHPl85?= =?iso-8859-1?q?YMzxbE5O4O2iooYRcctf2768FLPM9m3VLCsKgtzA3GfZLuFIlSmmojKI55mw?= =?iso-8859-1?q?BjgNQyLZg0P85WavvaxGHJrPX/rQVuefYcd/KU9Wmu4NU9AyfzHXcSntXVtC?= =?iso-8859-1?q?ijGFGEDVacZc0y6bczwMQ=3D=3D?= MIME-Version: 1.0 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MWHPR10MB1582.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8d8126cd-a17b-4955-6fc3-08d90a5b4cc9 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Apr 2021 15:35:49.4837 (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: nmaO7KDRQD8rK9+oRqYfXc7A9JTeP3JOmunZteRSmKtSOqPgD5M8C8qt+weqfkNvPSWgqlHex8VaK16WUQ2eeg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4497 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9968 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 spamscore=0 adultscore=0 suspectscore=0 mlxscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104280101 X-Proofpoint-GUID: laLYbALudghxJYE8cRw524dRSE3r7J9q X-Proofpoint-ORIG-GUID: laLYbALudghxJYE8cRw524dRSE3r7J9q X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: DFEE2FA X-Stat-Signature: 8mfoh5zq4pfnwky3j4tom88pqw49p89u Received-SPF: none (oracle.com>: No applicable sender policy available) receiver=imf20; identity=mailfrom; envelope-from=""; helo=mx0b-00069f02.pphosted.com; client-ip=205.220.177.32 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1619624153-969835 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: Use vma_lookup() to avoid needing to validate the VMA returned and for easier to read code. Signed-off-by: Liam R. Howlett --- drivers/misc/sgi-gru/grufault.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c index 723825524ea0..d7ef61e602ed 100644 --- a/drivers/misc/sgi-gru/grufault.c +++ b/drivers/misc/sgi-gru/grufault.c @@ -49,8 +49,8 @@ struct vm_area_struct *gru_find_vma(unsigned long vaddr) { struct vm_area_struct *vma; - vma = find_vma(current->mm, vaddr); - if (vma && vma->vm_start <= vaddr && vma->vm_ops == &gru_vm_ops) + vma = vma_lookup(current->mm, vaddr); + if (vma && vma->vm_ops == &gru_vm_ops) return vma; return NULL; }