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 X-Spam-Level: X-Spam-Status: No, score=-18.8 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,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 C8C4DC4338F for ; Tue, 17 Aug 2021 15:54:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B24A860FD7 for ; Tue, 17 Aug 2021 15:54:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240535AbhHQPzB (ORCPT ); Tue, 17 Aug 2021 11:55:01 -0400 Received: from mx0b-00069f02.pphosted.com ([205.220.177.32]:20846 "EHLO mx0b-00069f02.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240316AbhHQPtC (ORCPT ); Tue, 17 Aug 2021 11:49:02 -0400 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 17HFkIpU018121; Tue, 17 Aug 2021 15:48:02 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=C5m8ICqbT8QcbPDkU7CycSDuiGQ7WEx/MzrPgjELuw0=; b=WLHDpbsG0AAtwIHTtjUNBG6qDjX/A8+UR8vYUCtt9GG0M83jNXjARYcUXPwSWrP3gnws xZdWhGxf0sZvCSW+OYUMjHtzO1fJb9Z0TYFi9wBXP4kOaJ+RgBnVjGt1r/0CNOAKaYCo BqzkaJrCNyCI/R4bms8S1SjBqTs3vgCDc2aIw5A5aHDUwMcLNOUZ+Sv64flfaMJ4JLVn 5BSNS6Xn7AeUObvn8xMUgf5Nya8kIUtjfX44jvXOC+McuezKhxDcwdSVM4+h55+5ipdN l2dvq/ldFvtTbBqBj/5zMUrzLAr3GZv6NTMcVMyZ1rRB6rerqso94eoMBCr/gzw7qPBm aw== 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=C5m8ICqbT8QcbPDkU7CycSDuiGQ7WEx/MzrPgjELuw0=; b=y2jz8L8iZZo6CU5/PWb9afkShrspUQ7SW/PVStvTql1fwxsyGNCtvsK7T46ELUQGy3Tj rnpFHeCsI2U8/TxCEERJjmo9NNQioUBKY5+QIORVQ/bPKTiL5S0PoMm1l0ZLGPkXiZUI S3VCZ6o9FebM29ds6NVOeD3ysAH4/PDddfKACNs997Vw93Er9TNrGLtlg6ogEyl4a5XC EWW0XO9KESZxauMfsnC4/BELZXSgdw0Fuc3nE+RuAibQS7RHNT6+e6qboEMaX66FOl/Y ScTUl6Gw2PvsSh17p9s2FHP6dyi9qemNviQ9VzPeNnkS0T0RRq8bTvxLFe8r+rjXnz+0 Eg== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by mx0b-00069f02.pphosted.com with ESMTP id 3age7mrc59-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Aug 2021 15:48:01 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 17HFkmfb158706; Tue, 17 Aug 2021 15:48:01 GMT Received: from nam11-co1-obe.outbound.protection.outlook.com (mail-co1nam11lp2172.outbound.protection.outlook.com [104.47.56.172]) by aserp3020.oracle.com with ESMTP id 3ae5n7sv2h-7 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Aug 2021 15:48:01 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=U88Th9z9CUaLW7mAa+0au2Cit5+rEce2tdSR3hxDEwW+YZ+H2yxPfHsI7d8klMrtrwhybWtPtRybcCgw8KfCrsWtvglPT0XLiYpPYxM/AtnZnQL7F0JJS7Q0YX5tiJCWTs7wtkfqWFoHOK/9g4apZkQw5aQ1WsdYTm2dakvJpugN15haUtqAQcLujpYCLsfrZi9R2K2Fhl78EEFQsjX9roiXQTiKqLRfM9hSYgSVCNengdFqRCQVUKw1K8Acr4SuXDIdUCjiHo+NmFJiEqKHo/dtMbspqzZzlvk4kCrLb/9GjJuuzcsbNTdo9bx4iIM5gtd9aj7PWbRbZJFxTyVsZw== 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=C5m8ICqbT8QcbPDkU7CycSDuiGQ7WEx/MzrPgjELuw0=; b=UiY3hEBEOKzKMM2jw2HrQQWVPryxvez60FxJscFCaKPbKHShrev9yx7fBFWN+Frtjv3WfGLDOrTBykoC9pNN7IL1xSs/d5caYxKjnYbOhN+H1jK30AQBZ4oquW7JrhtZH0Ids8o3s9UjsicsBQZcDZ63xQm/9Xt8g/dC9TUL/H/3jxIxNAWsVityJsbM8KX0GT09Rv+OPnlj2fRPj2tYR/cpjdVnoJHWxv+e+b+r7v2avlQWoc7Rup0BON+ZgcTaiBRVMbFVb+GxzSyiBGbnOP5lHC3PY1guoGxgHekDnsomXG139yDxEdV7CyouTdWPHPVCHaHpHfU2xlYKQzsUJw== 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=C5m8ICqbT8QcbPDkU7CycSDuiGQ7WEx/MzrPgjELuw0=; b=NVzkF0rc9zVdRAjfuAuuibHbSJvfmh2LqwrcrNMzHHxmt6th+8R3btsYH/GRwgXGbEgJNQRl/N3J2HX91vCrugjRdtM5TLawRqOS1nhGa2DwqKIhflqen6hmvKQd0Q8AvxZO72EPTpPwbTax7EPywVBzxltpZ5L4/k1ZKRsfAKc= Received: from DM6PR10MB4380.namprd10.prod.outlook.com (2603:10b6:5:223::19) by DM6PR10MB3580.namprd10.prod.outlook.com (2603:10b6:5:156::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4415.17; Tue, 17 Aug 2021 15:47:56 +0000 Received: from DM6PR10MB4380.namprd10.prod.outlook.com ([fe80::585:1aa0:6582:92f3]) by DM6PR10MB4380.namprd10.prod.outlook.com ([fe80::585:1aa0:6582:92f3%6]) with mapi id 15.20.4415.024; Tue, 17 Aug 2021 15:47:56 +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 v2 46/61] bpf: Remove VMA linked list Thread-Topic: [PATCH v2 46/61] bpf: Remove VMA linked list Thread-Index: AQHXk38vD1aWz6euekW9ZmI0SwjGGg== Date: Tue, 17 Aug 2021 15:47:30 +0000 Message-ID: <20210817154651.1570984-47-Liam.Howlett@oracle.com> References: <20210817154651.1570984-1-Liam.Howlett@oracle.com> In-Reply-To: <20210817154651.1570984-1-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: c2abe983-f10f-4cfe-9802-08d9619661a1 x-ms-traffictypediagnostic: DM6PR10MB3580: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2089; 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:DM6PR10MB4380.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(346002)(376002)(39860400002)(366004)(136003)(396003)(38070700005)(6506007)(6512007)(2906002)(83380400001)(4326008)(5660300002)(71200400001)(6666004)(44832011)(8936002)(64756008)(66556008)(66476007)(76116006)(478600001)(66446008)(2616005)(66946007)(91956017)(36756003)(6486002)(1076003)(7416002)(107886003)(186003)(38100700002)(26005)(122000001)(316002)(54906003)(110136005)(8676002)(86362001);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?Q?0G9SglM/0pm7Hp2EK5/UKdxR4Nf34eT/Lzi2Q5T8w9jHDkIbZUFYL46bd4?= =?iso-8859-1?Q?x0FtWznGKCzHQu1tKko85F/V559dVlAlGFJs8TnUwc+4A3pEyRF6UPeitF?= =?iso-8859-1?Q?A2Ffh6VYyZn3ElGxedzqUDXU//zwMBhlMap8QhmMxVR00iEH2weV7spv3f?= =?iso-8859-1?Q?eVpKORgLfe16DNyXqO9U6qIWT4P9rdfEssnicQvHOqFpSMm+pWUlPSAR0/?= =?iso-8859-1?Q?dIO84bz8baTBy94AcUvgblTrDgg1USrfoq93q2rP3IqVDlL3+eMQDg2nJK?= =?iso-8859-1?Q?/Jb303/Nrf/tAfeJn8DSEt3ZaQKp7yvFMHOZhORymB2oTW2aLbK3Uoyy/R?= =?iso-8859-1?Q?I7m6gUIhQRox0z9BAhJtPWT7JozlxgC0wVnDIs4Bd70pWpANrrASNQCTgQ?= =?iso-8859-1?Q?bTpJbVU3JRW1X7v5PHlNt9V114QUVAIibYIulQ8pa8ceWxnB4NfOry6gnR?= =?iso-8859-1?Q?ggY+x2COoEMmLs2yYS2oTydEDrnpildLwUn/gwFRlYbDNDEfbQHx89d4KZ?= =?iso-8859-1?Q?pKEVg3ESGZ23iPNTISZlaxNGD2ztZlTQN21rlrIrXOdPo6T22gai56gX+K?= =?iso-8859-1?Q?0uRc2Q34dZ2f5CMfULQv2JmRM4CJa3qtuVn0isZZ18KhtV6ejQUoUjoVPk?= =?iso-8859-1?Q?774b5MBInWMw+QgXCyxkRy1kLDkIWLzMX/N7AAdYx9QHUB/0Wtaq/kEPmj?= =?iso-8859-1?Q?8OUxi/6STajMpWwWLgbAYO87p9cpv26z306sNTNzyXIo75iBxTBC5ABWFU?= =?iso-8859-1?Q?0D4uStDRpOZ+gHCcvbOwX+h4nJ5ICjWZ+1pMnTtEEKmeJOBP9JEumh+ag/?= =?iso-8859-1?Q?uuuQ3hIDXigo/2mcTHWPFtLeYcrJH4uOFyjdzLZ+uW9+j0ZvreAAFvkCD6?= =?iso-8859-1?Q?uzJKXQbJ0i0lyVXZg/7QSMXW+sH6HS/IINioqiQR+tiKpNCF4E1XeQt2ij?= =?iso-8859-1?Q?dCHk7XkuOTV6wuC0QHZ+wf7n9R926dTU+M2Rvgz3PaKLdZt13Xiix+AILH?= =?iso-8859-1?Q?PKPpxEO3p0anf+FC61VhKRYvRBHwzuE6kDbKQBUVJDgjVm89v2BHlR3IQF?= =?iso-8859-1?Q?OQaoAUJ8pvyc5v9JhJwyvpaVMssmxIhQkTKzhv3X2psBRu3XqIQDwiazU/?= =?iso-8859-1?Q?XlYJ6kJwGRKxxEbnv2t5rBsiaKlpjhCv+DoAvhD+gw7ezwD3cFTvodWGEw?= =?iso-8859-1?Q?mdOw69g9OsvLhOskbn6rcf5lCWh2guRc7x3J0QUMoNGH0YQJ/HO5ROoIkB?= =?iso-8859-1?Q?vGw4iJNWq4DvDB+3137hCojoDW0tUQufDCCAYBIa4isR1v8FcJSbkpn3vK?= =?iso-8859-1?Q?9iLvvXenG8l6RDXoXlBboQTLB9tm7jZd5XbSuW8tXRHDZbJHDSPaTNX8Tl?= =?iso-8859-1?Q?oaDV4LO25b?= 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: DM6PR10MB4380.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c2abe983-f10f-4cfe-9802-08d9619661a1 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Aug 2021 15:47:30.2465 (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: 4YdyLNzRKNCWrqaf5lGFEBtGlt4uFp3KCpip1dcyJa+KY9qweuxKttN3m3Mnm0joZzKhZzQxZXnrdjZ3NOvtyA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR10MB3580 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=10079 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 adultscore=0 bulkscore=0 suspectscore=0 mlxlogscore=999 phishscore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2108170097 X-Proofpoint-ORIG-GUID: MBlb3vETBdHpC82guW83qfdTXUR5djG4 X-Proofpoint-GUID: MBlb3vETBdHpC82guW83qfdTXUR5djG4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Liam R. Howlett" Use vma_next() and remove reference to the start of the linked list Signed-off-by: Liam R. Howlett --- kernel/bpf/task_iter.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/bpf/task_iter.c b/kernel/bpf/task_iter.c index b68cb5d6d6eb..c1c71adc7c1a 100644 --- a/kernel/bpf/task_iter.c +++ b/kernel/bpf/task_iter.c @@ -400,10 +400,10 @@ task_vma_seq_get_next(struct bpf_iter_seq_task_vma_in= fo *info) =20 switch (op) { case task_vma_iter_first_vma: - curr_vma =3D curr_task->mm->mmap; + curr_vma =3D find_vma(curr_task->mm, 0); break; case task_vma_iter_next_vma: - curr_vma =3D curr_vma->vm_next; + curr_vma =3D vma_next(curr_vma->vm_mm, curr_vma); break; case task_vma_iter_find_vma: /* We dropped mmap_lock so it is necessary to use find_vma @@ -417,7 +417,7 @@ task_vma_seq_get_next(struct bpf_iter_seq_task_vma_info= *info) if (curr_vma && curr_vma->vm_start =3D=3D info->prev_vm_start && curr_vma->vm_end =3D=3D info->prev_vm_end) - curr_vma =3D curr_vma->vm_next; + curr_vma =3D vma_next(curr_vma->vm_mm, curr_vma); break; } if (!curr_vma) { --=20 2.30.2