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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 686FAEC874B for ; Thu, 7 Sep 2023 18:57:56 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 696EC8D0007; Thu, 7 Sep 2023 14:57:55 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 61D198D0002; Thu, 7 Sep 2023 14:57:55 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 421CE8D0007; Thu, 7 Sep 2023 14:57:55 -0400 (EDT) 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 2EA928D0002 for ; Thu, 7 Sep 2023 14:57:55 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 02BBCC1071 for ; Thu, 7 Sep 2023 18:57:54 +0000 (UTC) X-FDA: 81210710910.06.E0F764C Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf24.hostedemail.com (Postfix) with ESMTP id A73AB18001D for ; Thu, 7 Sep 2023 18:57:51 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-03-30 header.b=fQ9qxMAn; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=TRSSNq9d; dmarc=pass (policy=none) header.from=oracle.com; spf=pass (imf24.hostedemail.com: domain of mike.kravetz@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=mike.kravetz@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=1694113071; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=zxbSauN/nKZ3bSPYK3gh8rRGAYC8ogcpyMftKup8zcU=; b=t2z3xLoDUyJggbjj/Ui37mLXmPxvCoTrSlzoSX7O11LA6PqP4/gmxA8SQpVYxpy1Y89Xps L3K+LAunrd+Pof9JlI9inf5sLEeYD1r7Ty5xlsJIOdR3coA+7FcOBlYHX2KXAVIGOx4RqM GozmFBmYYyh2iqBvUXZlWbnc9zyw7GQ= ARC-Authentication-Results: i=2; imf24.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-03-30 header.b=fQ9qxMAn; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=TRSSNq9d; dmarc=pass (policy=none) header.from=oracle.com; spf=pass (imf24.hostedemail.com: domain of mike.kravetz@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=mike.kravetz@oracle.com; arc=pass ("microsoft.com:s=arcselector9901:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1694113071; a=rsa-sha256; cv=pass; b=k8zUbcJgQ23aso6nOsndpIr55cYmmXN+xSvrnDnDCBsr5e8foLCnOkkUQoeow07xBtEFwD FcYT4Vo2GL+x5XZOKQ46/Sx9ruTRX1NRpykpg7aWpjUGo0bHYyQktWiD7o28Z72ez5+ATy Hz3B1YnZQQV67l939UHWQl4F6j4fUNQ= Received: from pps.filterd (m0246617.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 387Ip4UL003967; Thu, 7 Sep 2023 18:57:18 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : content-type : in-reply-to : mime-version; s=corp-2023-03-30; bh=zxbSauN/nKZ3bSPYK3gh8rRGAYC8ogcpyMftKup8zcU=; b=fQ9qxMAnmqRRjSg32gB1hgQs6U+jE2rOj8IpOP4ga+adp9SzJfxtMkVOdrlQyv+bKXAe p92pOfc0SLlykyKCHvh4xYXwxhWMquBd120GepTJ+CszzB2ws274dLu4PmyV1k1ctdVi TGR+BXtFloob0BjSDLjsK2wuhtiiO2KJ+VpbHJVvKu0oqhYyYnfGCQd2OifYWz4M7h2E 8hQEHE/lbke00T7unT0P4bXvfdyf3auD8C7o9G+sxo6LxzJeXlvtywBj+OqJ+womsvEV rEXxv+qNDvtaZwWoQksurGtrSfw9V/07Wuszw/3T/DLiNo3rhj1b1iJB3ombq2mIwO1o /A== Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3sym51g0ac-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Sep 2023 18:57:18 +0000 Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 387HDV5R005097; Thu, 7 Sep 2023 18:57:17 GMT Received: from nam11-bn8-obe.outbound.protection.outlook.com (mail-bn8nam11lp2168.outbound.protection.outlook.com [104.47.58.168]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3suug8462c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Sep 2023 18:57:17 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=EI2NejBGQ0ziINk3oWQ/Ltqksxgfo0ct+2hyq1a4BcdB30cSpP9XKRk7T0yT77+G4P0esUhd9qBYVtGYDhy8kG5rsBXI8TaianTHc3ED5sq436wqhZqZxxw5o9/BOakxmwtXwXfw+8iKeE3UpwdjuMbLum+ssJIPoM3HbKjGZZX4gM0Z8tzg3o/ocAYnH4Sjw3+tJRdAM/agTrKU1WV7yCuetP3G1U0pR5E2B5q+XPS65JGtqiX9kJCSbCpAjx+AdLC/mF9664881Nx0kvDrSUg0skZuCchZHy4j1IqZClnO4DiYr5oKc4JbrvBiXSuJh8ePmAQaCLjXVWzC16aAdw== 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=zxbSauN/nKZ3bSPYK3gh8rRGAYC8ogcpyMftKup8zcU=; b=G+QQ07IH4jTqMTE4pKzMgCs6QNKXabPkbtUvZboRvA/+eTC54pTxSHRGl9sjKqtWk8SF/gM9vaLSmJnftUeeVqKgNuwbJhFv+vl6KYpgKFuhlphI/C+Xq6FD0E2uTvkv4gWc7al9vmNCNpkvEVTF1OoHBvwBCAOPn57kY22j/OckjGMYxGuwaKNBBcbWx2U4Wl7d524Qr/6aq0O0wPaB4/nt1bh+tby8Pb35QoxpQZ0jNz8ivJZO+GCvJg+74sMIxRyDcaoGAdVlh9cRyYRUtjrJYOtl6y1IG07n/FtDPSnZn4j+P2W8ZacClmH3gievvVldJbwFKOpiDJhAPUJuZg== 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=zxbSauN/nKZ3bSPYK3gh8rRGAYC8ogcpyMftKup8zcU=; b=TRSSNq9dh57IZdEJ7MJN1hHIIy8yZp2x/qCYs5OyDtqDmkqiekjGTbtpagyAZng2N4SClWlKB5NxonGYn8ubKuFw/k7cKOCJuA/cgxxub5+d7y/mAMM6eJvlL0Wb0WEP/xKYQj7lJ3Chl0uSWBA6kmq7LzcrU+5c6ed5vT2vbqU= Received: from BY5PR10MB4196.namprd10.prod.outlook.com (2603:10b6:a03:20d::23) by SA3PR10MB7095.namprd10.prod.outlook.com (2603:10b6:806:31e::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6745.34; Thu, 7 Sep 2023 18:57:14 +0000 Received: from BY5PR10MB4196.namprd10.prod.outlook.com ([fe80::c621:12ca:ba40:9054]) by BY5PR10MB4196.namprd10.prod.outlook.com ([fe80::c621:12ca:ba40:9054%4]) with mapi id 15.20.6745.035; Thu, 7 Sep 2023 18:57:14 +0000 Date: Thu, 7 Sep 2023 11:57:10 -0700 From: Mike Kravetz To: Muchun Song Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Muchun Song , Joao Martins , Oscar Salvador , David Hildenbrand , Miaohe Lin , David Rientjes , Anshuman Khandual , Naoya Horiguchi , Barry Song , Michal Hocko , Matthew Wilcox , Xiongchun Duan , Andrew Morton Subject: Re: [PATCH v2 10/11] hugetlb: batch TLB flushes when freeing vmemmap Message-ID: <20230907185710.GE3640@monkey> References: <20230905214412.89152-1-mike.kravetz@oracle.com> <20230905214412.89152-11-mike.kravetz@oracle.com> <77060d35-a6d9-73e2-28a2-e736df00709a@linux.dev> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <77060d35-a6d9-73e2-28a2-e736df00709a@linux.dev> X-ClientProxiedBy: MW4PR03CA0110.namprd03.prod.outlook.com (2603:10b6:303:b7::25) To BY5PR10MB4196.namprd10.prod.outlook.com (2603:10b6:a03:20d::23) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY5PR10MB4196:EE_|SA3PR10MB7095:EE_ X-MS-Office365-Filtering-Correlation-Id: c49d4a4e-82b3-4dd0-b938-08dbafd43fdd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: W1a9nmq4KUX3EHYagXro611MI21KsC8g4asBNJ+5usk7bn7coFnW32vaVR2rjHT+QwRDZT5+jXVv281+qFNtYJDFO+fUKRtVIzqUTq4c3NXW0Xdcq5Kd+DrV3wKues8EE/b5XhL2plMhCAt0EsaqNDirv7XwXGwUsJnztK2A0Kdp9ugQQRiUuMh/4gSXWVUE+wq1y1YRJn/CC/6GpT9GxRLAbDtaeooQFtTcjxcS62miGVH+koIETDVnU5gK703e/mHD2Y93ox6OG0IeE2vCq4xOTj4Kdzh784hARtiX4UfNmu5U+eWfi/YA+37SZBAWzzgUQK6J2GkScCUjbQc3sdagFCueOYsk3WW9UhrJ1Bbhuq6JeyIyM8nHxBB2xGWd1DoXSChfxMIF/tCXqgp2dntzyZHH6DdSm4nIJ+x9uVls+dQvcNmIKmBesREBZnnvBtbCABcn+00cZpvlAuEcdcJ2vQlcHuypYt+PA2jFVNNhQbXHsr2B+GGeGFqLwGP7tC7DL1FKlDMBS9QLUF2gbH83UDAIs0vKS70yOmDR8uF7nEK00cedg6gXX6tH4CFY X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BY5PR10MB4196.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(7916004)(346002)(39860400002)(366004)(396003)(136003)(376002)(186009)(1800799009)(451199024)(26005)(38100700002)(1076003)(53546011)(6486002)(6506007)(6512007)(9686003)(33716001)(83380400001)(7416002)(4326008)(478600001)(8676002)(8936002)(44832011)(66946007)(66556008)(5660300002)(66476007)(33656002)(316002)(86362001)(6916009)(54906003)(6666004)(41300700001)(2906002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?0415bA4FhU5g01j8FCs+WHbyH3Oxx/UXpYQb3kFNGRyioMJ5sxhPM2h/rT+N?= =?us-ascii?Q?0DrfoloORMWQIUV/stvIidvSkJoBM12wafoiolr3N66CW0ip2OcwlLf1BgiU?= =?us-ascii?Q?suGnXk5t/RsfBrmnAH9ocyhpgy016QBEEng+c+Cbf/KPmCCfyH4pLPsH6jCf?= =?us-ascii?Q?IgE9nHaBZUg1TBYS4LcnR5/aSx3vwi1SN6SeQ8qJT/UZVaLpg2xBkkDD0w8E?= =?us-ascii?Q?zhgh1lW0QYmCEEODm4xVrUXAJWRyBebLiQvOd1hqsErUwX01nwnzWhk7A4UX?= =?us-ascii?Q?sn3vYzfw/G0wdF3KD+XsjHRZYiuK7CQIOOOyMWUTOGSOuBht1VZuufGn82D0?= =?us-ascii?Q?B6ETdUzClx5ohX6bBKWC/kGaTcTJjZIO7oP3egE/mtiwQVDP8WUiubl4GE+A?= =?us-ascii?Q?4PxScfT/nF/Us8crrOYg3d7tc4Kc7+o4/baJsZUzT+eR9NJ/QFvrT5Rz8eBT?= =?us-ascii?Q?crFOY8A7bhxgsH7lPqEfEBhWuUMJhjroplECfJAWxTSej+aNAYliglcTKX+1?= =?us-ascii?Q?CzGW3Zc8I+VV31uwrdMWBTKhrF2mJ6F+K/gpv2PK+chzlo3SjYXrb7R21b3s?= =?us-ascii?Q?g0eAMlegGHyVXnyPu0OqhVyqRPf7sITEOg6J6tRl1ULRW0z6riIhykzUZo+9?= =?us-ascii?Q?epG2o/Yt1rnOWWtrGycClPRi2+iZNvJW/M1eEPo0ia8QCyN01+6+iuuElhKy?= =?us-ascii?Q?dVde39P4bAw/hEsAVT0OShGUtzYKrINTN7LIwcmC9w6mzhxo0ZF4l0jDZkRw?= =?us-ascii?Q?ThyWxwD2BcRQ5jtTOzGamcMs4wUgTUwGCf0gvxeaOhZ6hih8AE3wRw8XQ/jc?= =?us-ascii?Q?SlCzrLhLqPIAEZ/TQ7sQ3YI4t2ZCB0pu3fRBJDI/o1fA+yaJKyOSWeI2YoZE?= =?us-ascii?Q?B7Hz+vMbhY/gKKUr5SdiOipNN6pmwu+gunUEE/B/pOXa+1HehHRJNLQLpnim?= =?us-ascii?Q?KYyc/QUzKldZZqg+az44F76NaKF+RMv9k+ClCfUrMYRKiZBjvxNpTWkY2z8n?= =?us-ascii?Q?hbJNXQTnduJzO/wPiQhB4u0wKzEJt4QCJfVfVJD70T/EYf+9eI3fD7RYvG3L?= =?us-ascii?Q?BPlSt89BxJV5hwiNBqH7TJX1W2C7rEUH4R8QVN5QIKG7DdpzAhcOqGc27Kdb?= =?us-ascii?Q?jzDFT1g3ZXFQShsFWp7i8q7eaBCVPAKGZx2Ss/BTI3mIUgx/hcMVmpFx17ax?= =?us-ascii?Q?OFD/ox/eP5Sodg8hYt/4FI2CcWAqAPIm0eqAcoNTQEw+blTYUlmUwGoYiRDk?= =?us-ascii?Q?YA8T3lMpRneu0YV4YDE7x8mT8nbSJvBJcV9T6uZ0QUzMOK+4RXu2L0biqCO0?= =?us-ascii?Q?K3S6EUD/PvuAuXuqsE8z0ZHcPf/gL4LUsrUC0GfOB+J4TUuOi7MniL1W4iIr?= =?us-ascii?Q?JFFGEsRYmQhVO+iwbODtAZcZVFo6zE8NRiji+R0ugFidI9S6hEVyDr0/kASg?= =?us-ascii?Q?ixXZ2VrXUohaxpiUlGp8/NC6kcuCq813BQh9G0LqIwbhl7yLZrX/IPJhqrK1?= =?us-ascii?Q?li2x82U/YUUQAmGNnwbq1Lkwp/S+FOpXMHhjQzK9OJdz4DqhcYKIGD4YzdJU?= =?us-ascii?Q?rkUjPurEGAmrPPDcZ6uhYBCPLMZW/2l5XReWrw8dsV6Mz2Ppb8cTbs5s4NvN?= =?us-ascii?Q?fQ=3D=3D?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: =?us-ascii?Q?KQIWiwzppy+mD4OY04xmZA76+TD8JuQULdhCLyublUCtPp3qbHCojOtJ8RrK?= =?us-ascii?Q?+ZIxpT/pQ/SWy3uW03r/7lmcVhsG7IXgyy4SdpHtyKVhhzQ0vKzUFms1VCmX?= =?us-ascii?Q?NyN8r+8Kus7rUZkm75/hr8k5F2kfdYkeAiiW7Q5wJQdPaGZkYCq74Kqe376n?= =?us-ascii?Q?YiyT9X9QbKNPa8q1MkQILApaiApFycyA6b3GXLQ3ruX+nRT9PqTViAqv8Ef3?= =?us-ascii?Q?9kQJrZ46vsSMV3KSKFyNBSL3BPtLibQwkl1FKnRD7P4zdTPAj6jnOsyUWbLb?= =?us-ascii?Q?I1vmBHAvUqJFfoJ542Xql9yU74d4QUTRYoWay/4A3mHd9e9yxLIjDrCtao59?= =?us-ascii?Q?i2t/HP52udutx3TTLAD6W1r7hZeQEyfj7Y99TDBeu7s16a7X4N+2NR4fPOX7?= =?us-ascii?Q?ZbF24OiCecgKXvOup5gva0t+nIb23FgZnOdqUdWM9QUKoBPo7B7Bbci4mfNw?= =?us-ascii?Q?5MlrP4svZaRBmvKxCR0DqkyUqhMenW5F8mDRHdPDdAkgA8XyXrluYndhTBRr?= =?us-ascii?Q?+kQN/IeC5O34dJAx4kp1PpqnDoxz9HBgkX0pmuC8tUBvPNh+qk/lGL4zjs+u?= =?us-ascii?Q?lxq3GcAK/0U/xdkzOGJwITR4z6cyBqWIx1TsAGsLww2P/4MtVoorBdcr9abF?= =?us-ascii?Q?5zYcoIS3705TC+bdnCGNfBvoISV1Ckxp6Vfu9uvGjF9s5J1e1Eg+ayrwt3ct?= =?us-ascii?Q?TOH38hxmkvV8YqX6ZuPosWH50ADiqxJdA5h4opEvxDHkXuv39zfGd/qsiNOb?= =?us-ascii?Q?sxDs2ygwvO0CutHHNsqjTmCAuRrtGH9HaNTNzh69UGaRn9BbSp2+TC8CnTap?= =?us-ascii?Q?mz+LB84ailJDy+AViJ/hAWhTWi7FUvXxAWnn01P9skReP4sFMTX+NMMN4/4z?= =?us-ascii?Q?oHwdOWlGEmo+YBRHWJPJoSKsCXBEn/ArTSPBt91Pia4sUQCsPkcAJ3Z8ghOh?= =?us-ascii?Q?W7z3GY63iLiNR3M9JQs8PC0Z7Nh1HBseqJupe3AmdrFkkBqXQ+4fRKKjl7sy?= =?us-ascii?Q?vblvaH6Fj1abUp6roCkZN7o1JFLUlyWJhW2gXJT5P9mQZ1Vh7GdaLpHqD5wt?= =?us-ascii?Q?YAX3iviWIFJl/0ICWhSvutUJdCHtBVfBTyrUMiHqnZ4gBnQ8QvDxNcahO+nH?= =?us-ascii?Q?K6g/S8s1PA3O?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: c49d4a4e-82b3-4dd0-b938-08dbafd43fdd X-MS-Exchange-CrossTenant-AuthSource: BY5PR10MB4196.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Sep 2023 18:57:14.4364 (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: fxoDAakqc2tSt/WMxemXdtcf1DoPfwLSmD8Qe5SfvqEOmBAr5emda0O8uKX0WWB6QDFq9Rvwbgm7BlWCc0DR7w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR10MB7095 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-07_11,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxlogscore=999 adultscore=0 phishscore=0 bulkscore=0 mlxscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309070167 X-Proofpoint-ORIG-GUID: oCmo6hqTEFFaR7qKZUi93dubzLbGSerb X-Proofpoint-GUID: oCmo6hqTEFFaR7qKZUi93dubzLbGSerb X-Rspamd-Queue-Id: A73AB18001D X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: fhkotrjm4ctkxgzg5xy87st9pa64yzqz X-HE-Tag: 1694113071-336947 X-HE-Meta: U2FsdGVkX1+9D3W5BU5mRkoHvFmJ5vaaXlC4K6N1a/Lb4mvEgvoZPuJE/pzGAF8kAd1uCpybvTBfvRaephSp6TLIkGVZQVICRTr00tBnrLTCEPii30sHoKWkFDdLIvsrfkiOf9EgxcdpLgVcnLMolN0927+2Ojl1La/yBwHlFiFQxewj51yzjzaiCxe9ojtD5/hfpxcDSQupXJjANpAAe6Tv5ZJQAj6tphCxwTmbg4eFsYvCrmdNXQNlUbCuR+wu6Y2IcTnMWRazywnLzBvoY83pd4zKr6Rqqb6qJCy7E3atcQvOrnB+BQBxUrpCpCbVqS4MwUekGM6+UaCm3PSJenwYghnStVgLEiZ96MuZGz1M8W57EqL8QqtAvQPf36qf8skyO7//+W8l1hmD409XWoXTk0cSsDdxxTF02fqFYOPbXscZ4y7plecTFxrlbjURvikDp4mfkhKEID9mhMnrswGQ5iafHqELblm1nfS/8hLp3c94OAPywwYR+POzGO8YCGiC0HtQD84ptqdWfJWc4W/NPKzNNS9STu1hxiT2aN0huY2LNVO2pNrgpGnDzLbcBHJ+Y9ZxXEjNTP/Tf+ANcVsJ/qjkrZex0NiV3nfcQLsI+xU+g3/KizSXsLoO8ncLVZ6p4LdPuN0+tFd6LClFJIVbGz55/Jfgc6Xnb8FoAZ2r+++aLXdhXGBnTeCXh3IdgPQrk+9akdwXSSwqh78CVY/E+OY081d+iZTso8ta39p8/6v+sUGED9MEn4+U71suXpuI5GmxXGIEzkZS0ITwPj8VCSJFuKvNyH+gtQdso0Ko3M/x3afvPNGiGvpmGVyJlS94E47e24p0w8pwC36zP7NJOR6zM+d+eyd+VG6eotjdE2d8onQ95lk/ZvhYzMh4rCucVmBU0LujjzikW9Zmq78zp14huJkFMwhM4yVp41UK1XyegpIcTF8hG1LD/3PFh0SVIHQTdUaMTh/nlMP TzvUg3To 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 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: On 09/07/23 14:55, Muchun Song wrote: > > > On 2023/9/6 05:44, Mike Kravetz wrote: > > From: Joao Martins > > > > Now that a list of pages is deduplicated at once, the TLB > > flush can be batched for all vmemmap pages that got remapped. > > > > Add a flags field and pass whether it's a bulk allocation or > > just a single page to decide to remap. > > > > The TLB flush is global as we don't have guarantees from caller > > that the set of folios is contiguous, or to add complexity in > > composing a list of kVAs to flush. > > > > Modified by Mike Kravetz to perform TLB flush on single folio if an > > error is encountered. > > > > Signed-off-by: Joao Martins > > Signed-off-by: Mike Kravetz > > --- > > mm/hugetlb_vmemmap.c | 38 ++++++++++++++++++++++++++++++-------- > > 1 file changed, 30 insertions(+), 8 deletions(-) > > > > diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c > > @@ -638,7 +658,7 @@ void hugetlb_vmemmap_optimize(const struct hstate *h, struct page *head) > > { > > LIST_HEAD(vmemmap_pages); > > - __hugetlb_vmemmap_optimize(h, head, &vmemmap_pages); > > + __hugetlb_vmemmap_optimize(h, head, &vmemmap_pages, 0UL); > > UL suffix could be dropped. Right? Yes, it can be dropped. > > > free_vmemmap_page_list(&vmemmap_pages); > > } -- Mike Kravetz