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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C40BC4332F for ; Mon, 4 Apr 2022 14:43:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378349AbiDDOm6 (ORCPT ); Mon, 4 Apr 2022 10:42:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42992 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1378135AbiDDOlL (ORCPT ); Mon, 4 Apr 2022 10:41:11 -0400 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CD88403DE for ; Mon, 4 Apr 2022 07:36:50 -0700 (PDT) Received: from pps.filterd (m0246627.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 234DoQmB006381; Mon, 4 Apr 2022 14:36:32 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : subject : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version; s=corp-2021-07-09; bh=mQ8D2optmsg0wgvaWnxYU6TFL+oBNMYmwNGVOg5Ocnk=; b=mMQ24QiKO6wEDH6KCI0ZD917Bsz1s+W/KEsUXdjiB60TxaWCKv9iIkIE9s6Rh0BQeXjA Ok838iBl2/YTD0hdjQdyo/YMlHG3cK1OxW06poDk6i24ajV91L6KJUrh0rSWa9nXN4Bi wDvH9BbAaijfSrGptOLBK5FPBiIHpazbg/JyfJjJ5SJvyhVidnGSUZl6wCoZW6jlvwxf YXX6l/leH0FF3zP7kCufry+2yAXiWEn2S2nhZDDt+UxPrWmu2AUGQ4Db0eU2mlSQmGvJ 7utM7ho0uPLsCvaZLZDuK1iBXUje3TXhnZHBB7KbpbP49hAQBJ0KkUFjG0A4jI2XY0Ru 9Q== Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.appoci.oracle.com [147.154.18.20]) by mx0b-00069f02.pphosted.com with ESMTP id 3f6d31bf4u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 04 Apr 2022 14:36:31 +0000 Received: from pps.filterd (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (8.16.1.2/8.16.1.2) with SMTP id 234EGcea027671; Mon, 4 Apr 2022 14:36:28 GMT Received: from nam12-bn8-obe.outbound.protection.outlook.com (mail-bn8nam12lp2176.outbound.protection.outlook.com [104.47.55.176]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com with ESMTP id 3f6cx2gn97-8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 04 Apr 2022 14:36:28 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=L7iQkHgtQxSadFwDcmQ5AxAaXtwfYMEeGjjS9D+ERHYD/b9hnM70jYZbafLXItsAK8EkpLpwmnHN7xi4j5ZCzlVoH+UJMGr8j+66g9dC/OYTnKCYBrCqFaBUyPyFK0VnD7xIbkoi9iW4znzHTu1vOXmpifEC9P10RXI/yvIIgZuDQUc8meNeGd5Ncr6pQH1DeWHvLIubQdV0b1oTAEk9+/HbL1Ypiyeaq/GLN1nuYO6+BY88ZJov50GB2nfrFzNO42VN5DsBE0xM2z2DL6DL/LmZf9or+Dsgcca7wfmwe4c4du3xPthxTTzjc10jHM8dcNSS4UtZsSbfhQXStq3D3A== 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=mQ8D2optmsg0wgvaWnxYU6TFL+oBNMYmwNGVOg5Ocnk=; b=iSw59C70qYLGsoRdWV2X3koN7TsSDbes4fbFaXYfJdATsLMoyOw8gY31vo/jXTGND7Haqviqh5dM8thB9oPQjniclbmGNh6Gqq7jdErrfGG5y8LSenhs1TExFX0Ixb298uCkHcLGl7O5joaqrgqaAdXojpwNfjP7Jh8sxqsEt5W5oEM+VC7mHFAi39jinVxwqC2JsIW+2tVaS1TsVsz64dtt+HibptTcajVy+iXZIw5MmJeEmX3hdCpEVfDc2yDvVYjdT6t1ozjRW7fl5gp/WnksRlYooFYeG/r0UG+5W1/x+KNPypJ/Xy8yhWcxedjq1UJpIeSlpgoC+cji5z3Xgw== 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=mQ8D2optmsg0wgvaWnxYU6TFL+oBNMYmwNGVOg5Ocnk=; b=LGUXpNlR4ApEOmGplvS0N0EqEZY3Mx18PJiBYILoYvLDQRW0gNKdnY1PQNWw/ZsTvarVMN9oKrm/bM2tyUVZ0Ixr2FHUD/UVeAYOPdzijFOjrqj0Q26peBRBWr4p7zf69QXJIrrvuCTU3C8mQEcgugqSMWvg3128w4Rw/9mjrkE= Received: from SN6PR10MB3022.namprd10.prod.outlook.com (2603:10b6:805:d8::25) by BLAPR10MB5329.namprd10.prod.outlook.com (2603:10b6:208:307::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5123.31; Mon, 4 Apr 2022 14:36:27 +0000 Received: from SN6PR10MB3022.namprd10.prod.outlook.com ([fe80::74fd:df41:4c93:24a5]) by SN6PR10MB3022.namprd10.prod.outlook.com ([fe80::74fd:df41:4c93:24a5%6]) with mapi id 15.20.5123.031; Mon, 4 Apr 2022 14:36:27 +0000 From: Liam Howlett To: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton Subject: [PATCH v7 49/70] sched: Use maple tree iterator to walk VMAs Thread-Topic: [PATCH v7 49/70] sched: Use maple tree iterator to walk VMAs Thread-Index: AQHYSDFJse0euuiiW0WUZm9rdM7K2w== Date: Mon, 4 Apr 2022 14:35:52 +0000 Message-ID: <20220404143501.2016403-50-Liam.Howlett@oracle.com> References: <20220404143501.2016403-1-Liam.Howlett@oracle.com> In-Reply-To: <20220404143501.2016403-1-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 2.34.1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 062afb13-4035-42d0-b29b-08da16488075 x-ms-traffictypediagnostic: BLAPR10MB5329:EE_ x-microsoft-antispam-prvs: 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:(13230001)(366004)(508600001)(6506007)(64756008)(76116006)(66946007)(66476007)(66446008)(91956017)(316002)(83380400001)(38100700002)(66556008)(6486002)(110136005)(38070700005)(86362001)(71200400001)(6666004)(6512007)(122000001)(44832011)(26005)(2616005)(1076003)(186003)(8676002)(8936002)(36756003)(5660300002)(2906002);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?Q?MYg4V5GPYb6eiVwlfk3e9LY83tBernOYPhLUrUzsdMCMDZ1wvXnUlskmXH?= =?iso-8859-1?Q?TCjgr1V0oh9mci6Rl+8LUCPb9T/ZngvFCk22VW8PQh/LMTcZmFHhDtkHrb?= =?iso-8859-1?Q?lwIJisyAjIWIlGyB5KfSwPn3kBhqrjIAAdtCnwIgI9oZF5uWBeWQvzDJeB?= =?iso-8859-1?Q?Tt2Yq4JPospp8A++PZg1qq5SB10HQLn/shmJk+H9M439emMB2ni59qQnby?= =?iso-8859-1?Q?mNj0J34oBTWWiUME/BO2zrViq8y6t3XLGp+MtYqNHCqBzrvRwBn7g07WMY?= =?iso-8859-1?Q?aXB8LxoZzzGU5uY1zLjQU3U71Y9wjUU1l+IoHh62ih+sphGrNS2QLoUwK6?= =?iso-8859-1?Q?iZ/QLDrANM1RUDlKKW5dj9M4OQzz4MbK8m+CWoZz7ZrRoH5JYRPT7CQb33?= =?iso-8859-1?Q?EGOmJ+W+AOyBrNelsP7nKFJCSqa8jzE2EDGK32xpTU0pTRNja2nc+AT6Vs?= =?iso-8859-1?Q?acfY3/dwFBL6j9aYdGUyTtgcvpzvg25pIgQbss8uR4juRpps+GPqQvaFfv?= =?iso-8859-1?Q?YbT6nLPxizkd9MqnYiQC0rAHwXwDGP7WoU4U6GvtoIjoSY/t6cVmZ5wXVt?= =?iso-8859-1?Q?8OciKZ3aEJ3ozi62KiJlPIVb1qmy7/iTSDWJJnkj3AtCT4JCIW25Pj2spC?= =?iso-8859-1?Q?BN+gRupxrJGbcGNBKUIxO5OJBcLyWSgH1YPjIRoQcKMAWIH0w6q6IVDXMA?= =?iso-8859-1?Q?jhKma6GzaGwcBOp2e7M2j+BYhx2RLGgScyt50XDo6wUlHEFJK/664g2Wbp?= =?iso-8859-1?Q?T2x8QWdKfqcgFqR0hjMr4Bsf0o4u2YBcPrZ5FJD2mkc961dY/YaBPo6Yku?= =?iso-8859-1?Q?+8ONVP2kUD55l9949w5QlW6/r1eO1OIcEX1HyaVOPmL1vMoCeUUu/88Jn9?= =?iso-8859-1?Q?lUJ/Af6h+02gCBUga05Athp5Ptt2FfaeRcoRY9DZQ9t/qXxEcDzGFrzmYV?= =?iso-8859-1?Q?qAVSGV5DsSVJBfVvySGSuktc8CWTOW1S4Nq4jcnWTa574sm+n7lLKuBNKn?= =?iso-8859-1?Q?pQ2VFXIPbtHvVPYyRp2UNAmzHC6ELD8+NAI8OzN33Bz34DX51sdTDMv+TW?= =?iso-8859-1?Q?S8W1HKunqaq4fpPPiiB+vdCMosNstGIcuWDP1cDzIWyXAsdGpE1L8Gh6Eo?= =?iso-8859-1?Q?ddD9vIvxEqQBgtiZOENhjjEWL7sEA5JfS3kzhR78QQUbgwjOtYnRWUVFl2?= =?iso-8859-1?Q?SyQ7OWlJw2kP2W7PGOrSeNiwgnRD1JUQPA9c4Gfxidxo8aZjc1Q3M/uvIm?= =?iso-8859-1?Q?F/kfSf2PlZZXRHc2mOD0VQqpABAWvVOf4/TPfU1tk90NcBNwbjJFXLlNYu?= =?iso-8859-1?Q?c4M+qIp17sE1iMSxMX6obsvZgS0sKpaVJZhgRugekFXJyWHy0TNmW1tcCU?= =?iso-8859-1?Q?44nBaDhbCtd9YShnxrz7nHn6t/6ziRsikfqPaNbwq38o2wRfFyoy3wUCxq?= =?iso-8859-1?Q?REv/iawbJa8+EUsMxmqw1C7KHPqUDtDJq+Jkv3Pffj1W25oyZilrkfe1Pi?= =?iso-8859-1?Q?XktmixughntzfcTCs7mxLJGxXojTiv+Wevir1BcvPV0/hqO9y3jvZCgGxk?= =?iso-8859-1?Q?5cwCq50JUSnEz3qy1w0dXMrVw31J/jyOCSm1C8AdZ81wJYA93pwjwQFNo/?= =?iso-8859-1?Q?D8IUULIPQrW+BgYcWOVcVYNWEGGlps6awc0CccNlz9I7RxNicQlieh/kIB?= =?iso-8859-1?Q?ah6Xg/8gIPt/z92DsYFbS92V9Y4zqh+9qzt5ZgNMjyv4T7SaR5gsnU9hLY?= =?iso-8859-1?Q?fh+Ynj4LtxtrucARJ+4uRtwzS2SmEIpcTJWdtaBBS7MbldALwq1IhRXaPT?= =?iso-8859-1?Q?dNYqYzfdHimbx3hX2l/2qZCkdCwccYw=3D?= 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: SN6PR10MB3022.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 062afb13-4035-42d0-b29b-08da16488075 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Apr 2022 14:35:52.2992 (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: VdDacoF6atS/EyDR6wmrCt/P7ZLEQ1/nLhJQMdutwEl1o9gNJPk5h7QnNzmqHdCZqJUSkB984r/zqTL6y0GIsA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLAPR10MB5329 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.425,18.0.850 definitions=2022-04-04_05:2022-03-30,2022-04-04 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 spamscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 phishscore=0 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204040082 X-Proofpoint-GUID: _Pjgb6k2apC2u5hmtvXb8YN0NNcEVIWO X-Proofpoint-ORIG-GUID: _Pjgb6k2apC2u5hmtvXb8YN0NNcEVIWO Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Liam R. Howlett" The linked list is slower than walking the VMAs using the maple tree. We can't use the VMA iterator here because it doesn't support moving to an earlier position. Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Liam R. Howlett Acked-by: Vlastimil Babka --- kernel/sched/fair.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d4bd299d67ab..b8b7962b5832 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2722,6 +2722,7 @@ static void task_numa_work(struct callback_head *work= ) struct task_struct *p =3D current; struct mm_struct *mm =3D p->mm; u64 runtime =3D p->se.sum_exec_runtime; + MA_STATE(mas, &mm->mm_mt, 0, 0); struct vm_area_struct *vma; unsigned long start, end; unsigned long nr_pte_updates =3D 0; @@ -2778,13 +2779,16 @@ static void task_numa_work(struct callback_head *wo= rk) =20 if (!mmap_read_trylock(mm)) return; - vma =3D find_vma(mm, start); + mas_set(&mas, start); + vma =3D mas_find(&mas, ULONG_MAX); if (!vma) { reset_ptenuma_scan(p); start =3D 0; - vma =3D mm->mmap; + mas_set(&mas, start); + vma =3D mas_find(&mas, ULONG_MAX); } - for (; vma; vma =3D vma->vm_next) { + + for (; vma; vma =3D mas_find(&mas, ULONG_MAX)) { if (!vma_migratable(vma) || !vma_policy_mof(vma) || is_vm_hugetlb_page(vma) || (vma->vm_flags & VM_MIXEDMAP)) { continue; --=20 2.34.1