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 B6204E94136 for ; Fri, 6 Oct 2023 22:35:54 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2F3B580011; Fri, 6 Oct 2023 18:35:54 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2A36880008; Fri, 6 Oct 2023 18:35:54 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0CEE480011; Fri, 6 Oct 2023 18:35:54 -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 EC11F80008 for ; Fri, 6 Oct 2023 18:35:53 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id BA9F31401D4 for ; Fri, 6 Oct 2023 22:35:53 +0000 (UTC) X-FDA: 81316495386.19.FEEED31 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf21.hostedemail.com (Postfix) with ESMTP id 707C81C0018 for ; Fri, 6 Oct 2023 22:35:50 +0000 (UTC) Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-03-30 header.b=D5LTOoQ2; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=w7PZqPZI; dmarc=pass (policy=none) header.from=oracle.com; spf=pass (imf21.hostedemail.com: domain of mike.kravetz@oracle.com designates 205.220.177.32 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=1696631750; 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=P1BLpiH/P6vmFEjJ88sOIy5xeSiQATmRJyl7kNY+6NE=; b=WtAjXuxq5BlwLS8W6JwQNSJE1MR/CPWxHYkZBoMFspv8+cupeD491FPzVj6liKHCDDFv1C fNP05kKM1EjUaIPctZpiy8h8coJUCzYtEDuxm4yLQ449xD40B8Nqddl1J8bRYLGL7F0ZzU MG79rjYR2R4dTDTPvLtPn5yNALc4oyY= ARC-Authentication-Results: i=2; imf21.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-03-30 header.b=D5LTOoQ2; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=w7PZqPZI; dmarc=pass (policy=none) header.from=oracle.com; spf=pass (imf21.hostedemail.com: domain of mike.kravetz@oracle.com designates 205.220.177.32 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=1696631750; a=rsa-sha256; cv=pass; b=70tiTIZGIY+zDsxs8BWfQsAuBsek6mi0mAh8RG6owoP7WDCAKBd0N58FRi5wPh0BvlaW/K Xftmlf1MIaDJTbxNHXW7dkCEaO7nYYSJAwY4coSA0bHqT+GqufP92XO7K8qTa41bT+r6p6 2PHq02FImAnr39l1t+EClcnoJ1/X9oQ= Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 396LNtRU001709; Fri, 6 Oct 2023 22:35:19 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=P1BLpiH/P6vmFEjJ88sOIy5xeSiQATmRJyl7kNY+6NE=; b=D5LTOoQ2xzrQn0H70T3Rmf+MwPDnkAfvO53zMG+wsXW6E3EH/0S9izHHhUFlVhIAMH1i DHikWNUWoXtl4PaHjc1wkAzbkUF+MWrbD5GFYUX8VY2OcKAzsP+Qq/VuJmpPkgfwGEI7 SlyYxaUeUWooLbtRw6x9CnoWYR3hsig3U7q7fViSfU9LXw9oKSPLqBH+Bwbz3tPMnfQ9 dp/gNouCuGKvQvUzE3PsJAcRVrkMWZ3weVLzA9zps27QCVmOfLV6IGnuqRN2u9y052AW /31nq10mXwClhGLGSlw2ZHQz5Rzsv60I6Tzx2tmvx1q8ChDAjE2+R/xE7z/ZzFVJHw0k kg== Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.appoci.oracle.com [130.35.103.27]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3teaf4cx8k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 06 Oct 2023 22:35:19 +0000 Received: from pps.filterd (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 396LL2hF000467; Fri, 6 Oct 2023 22:35:19 GMT Received: from nam10-mw2-obe.outbound.protection.outlook.com (mail-mw2nam10lp2103.outbound.protection.outlook.com [104.47.55.103]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3tea4b6hxe-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 06 Oct 2023 22:35:18 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=aH2LeVBSGhB53yKfe/z7ZVgkWXY/nIlh7YGDrXnwyZT/5bBqizzNV9MxMCXvfYCdfzvxNPruVa3NK3wRYTbzuCQnqwMjyJdJSXbaE3AmKwFIEA/Cvo5aUHPkYDaBc96mj3rO5dtNcU7Dd5IMlYLJJjsty40Ys63hBZFJ/eFToHaN0QON4J5Trh4YMuraVTL8W2vvX8ahDv5siPPpN8pRO0k9Cwk1eX4mXT1hqeYwO+PAs5kGjE5xTpYN3/F8XRYaPjmk7QWP4h45BZk7wfhJGSQdLu3b2rwW/3zrUXeVOo18Br1jVRLVs6xVyirOssmDll/m6DGWU1wT9x90p69s3Q== 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=P1BLpiH/P6vmFEjJ88sOIy5xeSiQATmRJyl7kNY+6NE=; b=hl4e9Qx6/rAWKeQJQyfUd4/ueB81Hw0aQyFk1WwdrhbwKIALTwUEYM0+mZn9jbx9Otpy750DzbHKZr+SCyjRhRze2jmZrKnjAUMjjJT5wlFsefVehI6UnFipWfCNCxWZPn2bZqH9yRckdIftAjRAazzbZbRojgE+bxMKrR/+IMh1pPBHrsx/rCUGrvO85onHZHaY+4plKumNzh1joEtdk05pNUhSYH/Zu3jECufMln/gEEzImJfaTJMIZwYDHnBsnon1zvAPO4ef8u3Mgc4eQChwDiHFl52L9lfcfNdImu3hzysG4Gy8j1J2JEor6ElfQQ6IVDRHmD9b8O3YxVZyew== 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=P1BLpiH/P6vmFEjJ88sOIy5xeSiQATmRJyl7kNY+6NE=; b=w7PZqPZIqcf7atK8GFdFLUtmj9o9PU1OGelG4lpUtnb8hPfk8Mb+Lmze1ZaTzwwgJnqKUqPy31EKAHTynXz784FFLrMPgigPRIAOHSqHT9xBA136cPXPZ7hN9mkyaXjHzPEFSx5+uqHRBEvlbVvGwQ9ZpihGL6sCZguYfRFlYzA= Received: from BY5PR10MB4196.namprd10.prod.outlook.com (2603:10b6:a03:20d::23) by MW4PR10MB6395.namprd10.prod.outlook.com (2603:10b6:303:1ea::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6838.28; Fri, 6 Oct 2023 22:35:16 +0000 Received: from BY5PR10MB4196.namprd10.prod.outlook.com ([fe80::59f7:ec45:eb41:d8c2]) by BY5PR10MB4196.namprd10.prod.outlook.com ([fe80::59f7:ec45:eb41:d8c2%6]) with mapi id 15.20.6838.033; Fri, 6 Oct 2023 22:35:16 +0000 Date: Fri, 6 Oct 2023 15:35:12 -0700 From: Mike Kravetz To: Konrad Dybcio Cc: Andrew Morton , Anshuman Khandual , Xiongchun Duan , Barry Song <21cnbao@gmail.com>, David Rientjes , Miaohe Lin , Matthew Wilcox , linux-mm@kvack.org, Naoya Horiguchi , Joao Martins , David Hildenbrand , Michal Hocko , Oscar Salvador , linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 2/8] hugetlb: restructure pool allocations Message-ID: <20231006223512.GC3861@monkey> References: <20230925234837.86786-3-mike.kravetz@oracle.com> <20230929205731.GA10357@monkey> <20231006030836.GC86415@monkey> <5d14b681-a2c9-4210-a0c1-bf38708b7998@linaro.org> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5d14b681-a2c9-4210-a0c1-bf38708b7998@linaro.org> X-ClientProxiedBy: MW4P223CA0008.NAMP223.PROD.OUTLOOK.COM (2603:10b6:303:80::13) To BY5PR10MB4196.namprd10.prod.outlook.com (2603:10b6:a03:20d::23) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY5PR10MB4196:EE_|MW4PR10MB6395:EE_ X-MS-Office365-Filtering-Correlation-Id: 9e59f302-14d1-4efa-d68d-08dbc6bc82ee 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:BY5PR10MB4196.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(7916004)(39860400002)(366004)(396003)(376002)(136003)(346002)(230922051799003)(1800799009)(451199024)(186009)(64100799003)(66476007)(26005)(4326008)(8676002)(66946007)(6916009)(5660300002)(41300700001)(54906003)(44832011)(8936002)(66556008)(6486002)(9686003)(478600001)(966005)(6666004)(6506007)(6512007)(2906002)(7416002)(53546011)(33716001)(316002)(1076003)(83380400001)(38100700002)(33656002)(86362001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?brjkWPmDnGcX883awj0GD8ZVHjPQkX30+7IFIbOmftbNygNmkwIKfxVM3gV4?= =?us-ascii?Q?LSkuUDb3bB2g2JpmeLK/r+QNCQMI4AbObs4QBQAuk9SOvTT/npE74ivJ3fpP?= =?us-ascii?Q?S3ComxQzNWGIChwZxs3SFWKpiCEQF7rScm16IWE4rBvsCtQf3VI35tmLx36W?= =?us-ascii?Q?RYAPlrlmGj2h3NMC6MelaVJB7vqiXA87LW28E1KbG3gHdF+fbnd1pNC5X2Or?= =?us-ascii?Q?kldViuQGhWfiNq7ENVbQtX7+5klzG3aZZRbK4KkRnZjIn4uNIfWRRN/qXDlL?= =?us-ascii?Q?Erpxv5WYf+aZXEL49qKBQOfcRdlN6i7R4jUveYHh2gRgmvZEOHXOra5UwQgU?= =?us-ascii?Q?+OagPB9qk6J+9s6Zdokuuh6xEV17K0wo269U1MLuHffGDoftyvgPfd5owva3?= =?us-ascii?Q?nSkccR867MEn9hKcDOMGoynvLBzRj1oExQC/P0xFzxD2GunHw3XvVXR6x+DH?= =?us-ascii?Q?YkggaKY6L/uyYvsqeAcFdka+gRQPD3z+C+0D8zWPxNFm+NDcVCzC5jI1YcOi?= =?us-ascii?Q?0Wx23Wgfx6MeeH+A0mQGbClOEfDGFLULwkV3kvFejSflUi4QWQDnIDupHDiB?= =?us-ascii?Q?Kt6On+XkX1TXm30LLEd5eRTMBOcPgE0MRncE/osPe3eLTB91qDDe/8gQOzck?= =?us-ascii?Q?ycoy/12D8rTdiizD/gARickjtBqPyUzJ+o95HZ9AfXF49fzELyDN4sfM2R+w?= =?us-ascii?Q?WOZK9yOThddSANbwtOt86Vrb7D25YIy7a7qwtDIiJ5K9JJdyUywkVROKMfgk?= =?us-ascii?Q?Gbwnr9O4HIi7PiSCt2udsQmNldV31XuZv0PIdhJXblJXI90PpxZNTQ7yG+us?= =?us-ascii?Q?/3hhdRurQXLlgVMgmqFsBPRQpTJaJEPIlMtEY/b2QurpkR4xO1WjIi7DeQ56?= =?us-ascii?Q?SCSBd6VnV+0krfOr3lcXmjWfIDyx8D+TORNuPxJbloBW9czINepyR1DQRfHT?= =?us-ascii?Q?2yg+qRhZU8We8kZIrDi6Sxdyv79CL6n/lh5eN6JrUmiDUmNcSx2pYHv0ZVnq?= =?us-ascii?Q?w/Y2YzCTsl0QPe6r0omW/j5M8WP0NcggtgA4eYOWp8qrT6P3NA8aF6vRbhg6?= =?us-ascii?Q?H1kQftB8cxqI/s1O67qkLtaOKfaBrJfepHN//2f6iRLEiqFtLfUggZVcSjpP?= =?us-ascii?Q?QQE+r1ex0/Ir5Hsp+JFglNIjMIzlCTPeHTJW1heaKIdXwhV8qpKFRLrlTazS?= =?us-ascii?Q?6jR8Q5bbSoteG7MAv8Vc6TSYCEOyGdqA14x+4tjkViymICsTPx68hXkbzfzQ?= =?us-ascii?Q?vhTvbSVqVivq8T2d9GOfNtX1K4bCX/8BLs7TckT83ohELHSzOxXqHmFcLPuG?= =?us-ascii?Q?Ek5pqqopgkidE4fPysrddoZF0Nn7GgaS19NR3J0ROxVHgYR5yuUe4boQbis9?= =?us-ascii?Q?SzB0mZVnhVdDZ4+nsUpzs8PBYp28NdAb5wL1hWTg9WaPI8PdxuIpsF1IwH7e?= =?us-ascii?Q?+qbTff7NHeDNfrTS4sw7fV847tcWmUoEW0/isPlS4Xhvbl1mXrw+MFmXzROl?= =?us-ascii?Q?V07ypRd+5+pBZnYR7PhRiYuaPGlp6S6HLLV8AseosPDq5rlQ6sGYTcJqLKKW?= =?us-ascii?Q?hlN3+5+gw9FuplsazvxFc1Y+LZzaGOf4EKkHV84jPobhXsMAc+0nv7Nt8s7O?= =?us-ascii?Q?VA=3D=3D?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: =?us-ascii?Q?vg/1lYVleUg981Cu4NGGv6QiSkOA7lGy3D9MM6qm9PupSRkECk/S9xqL/AUe?= =?us-ascii?Q?yJX60pRh4jWklfdPoBOLmPOUL72aZOcp982VCHY3QPstCl3RWvUO86BRdSRY?= =?us-ascii?Q?GdmBGhTeXeFs0ZSVY1MMyOKHnqC1r51+Ej5VMgk284W576MU35pJgq6B5v7k?= =?us-ascii?Q?b39CMJydYY09HBVwurDVdVxcyPgAcCdV1RhXD5DIbNcRWGiRL5uzmbkysZl/?= =?us-ascii?Q?N43L+rpZbM0LyimJH+Xq/vy4pZeoLkTt3HxkDaSeruRyVGv6bvjzCS0nsm10?= =?us-ascii?Q?DV27PPcIVVMVeKXEuz48ZmJ5qsK2EVpPLpctosPIZFcEZeo/PP0Kqb9sN6S/?= =?us-ascii?Q?W3WYGkrFcugTir8d2oXmfXydFGNCyzFWtqj10daSzFiPrkrHp3NIOOxC0nl7?= =?us-ascii?Q?R4oljK6rY1NdZ683up1a4sEWHMsI5TdE0+tCW34lIYEhCMhhWT5N7N3KUMs1?= =?us-ascii?Q?4U4UreTGfBVm1qf3wfBbdWQC5tlLXR9r8HexyjJKDqEj/bQJq1abuo/u74RH?= =?us-ascii?Q?Wg5M0ubGXLcYze61IzdQXbBQhxvpmSP5wLhLmpCoM486lTuPB4xAOZAH4mqx?= =?us-ascii?Q?vDi1kfWOQjAC6mVPkSbQ2z4sbBWuY6hjLOWJNLXNwFgaVyeS8IndX+ZeN5jI?= =?us-ascii?Q?XhdB8TqQIc9cSscRXCHJQ6PK72TOQ8mLvjNa4a4grLfnE0CLIJ+ZhyufPzN+?= =?us-ascii?Q?nTyFkdSjQ27Jk8qkG0MgYSkl/HNBXbDNBJme8jRvHwRN+a0J+bykcwSklzZl?= =?us-ascii?Q?/iPvWMCK0zP6UzPoPNDNFcleyE57CHbPDET8yWQkN2Vjxnc2ixoArm5T70us?= =?us-ascii?Q?Wx9Nnd6nUpURY/LhAR8ZdDEindp3hrYl0g/BoJhPrkdOqA6ahRUON5oMIAJn?= =?us-ascii?Q?sEsrrXP5bOrxn60aG4fwIHBAwYKO0wV7kWUtUMIIJRQEq5kwW/d+Rj5WJuMG?= =?us-ascii?Q?yqNCo1HgPG7hIuKtCLqtm0Ogt7W00XvSn1NO1bc4ixMtn9+ZUIbN3GwT6GJz?= =?us-ascii?Q?YDoDA4cT4Dj181s9jnGE/x53/hUzCHBLsGB5fFUNhI9sj4TcH6xPshIWosJo?= =?us-ascii?Q?BpifPi8SiVCle7HRRQczFt0Qdo1V6yPKMfQ2aADqLCVjHd9J2wxWjL480DXn?= =?us-ascii?Q?TEIp58ad363+04J7VMsoYy3lLgRabxKyrQ=3D=3D?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9e59f302-14d1-4efa-d68d-08dbc6bc82ee X-MS-Exchange-CrossTenant-AuthSource: BY5PR10MB4196.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Oct 2023 22:35:15.9896 (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: lfoXBy/eiX5TOaKy9tmPA5gOV8yfK9xQ7oEwoywTCkLKxxQjPhuZIS3DdrcjpRkLul8N2DrnuPQ1NEx5/ywE/g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR10MB6395 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-06_15,2023-10-06_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 malwarescore=0 adultscore=0 suspectscore=0 mlxlogscore=999 bulkscore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310060174 X-Proofpoint-GUID: v-ZXPBDN7BWfysSR-fcwbhNMV5U6i-KL X-Proofpoint-ORIG-GUID: v-ZXPBDN7BWfysSR-fcwbhNMV5U6i-KL X-Rspamd-Queue-Id: 707C81C0018 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: bfgirsmg1xwsbwimab397ywg1ftyz5my X-HE-Tag: 1696631750-119504 X-HE-Meta: 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 zeirkX60 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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 10/06/23 23:39, Konrad Dybcio wrote: > On 6.10.2023 05:08, Mike Kravetz wrote: > > On 10/02/23 11:57, Konrad Dybcio wrote: > >> > >> > >> On 9/29/23 22:57, Mike Kravetz wrote: > >>> On 09/27/23 13:26, Konrad Dybcio wrote: > >>>> > >>>> > >>>> On 26.09.2023 01:48, Mike Kravetz wrote: > >>>>> Allocation of a hugetlb page for the hugetlb pool is done by the routine > >>>>> alloc_pool_huge_page. This routine will allocate contiguous pages from > >>>>> a low level allocator, prep the pages for usage as a hugetlb page and > >>>>> then add the resulting hugetlb page to the pool. > >>>>> > >>>>> In the 'prep' stage, optional vmemmap optimization is done. For > >>>>> performance reasons we want to perform vmemmap optimization on multiple > >>>>> hugetlb pages at once. To do this, restructure the hugetlb pool > >>>>> allocation code such that vmemmap optimization can be isolated and later > >>>>> batched. > >>>>> > >>>>> The code to allocate hugetlb pages from bootmem was also modified to > >>>>> allow batching. > >>>>> > >>>>> No functional changes, only code restructure. > >>>>> > >>>>> Signed-off-by: Mike Kravetz > >>>>> Reviewed-by: Muchun Song > >>>>> --- > >>>> Hi, looks like this patch prevents today's next from booting > >>>> on at least one Qualcomm ARM64 platform. Reverting it makes > >>>> the device boot again. > >>> > >>> Can you share the config used and any other specific information such as > >>> kernel command line. > >> Later this week. > > > > As mentioned, I have been unable to reproduce on arm64 platforms I can > > access. I have tried various config and boot options. While doing so, > > I came across one issue impacting kernels compiled without > > CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP defined. This is not something > > that would prevent booting. > > > > I will send out an updated version series in the hope that any other > > issues may be discovered. > I'm pushing the "later this week" by answering near end of calendar > day, Friday, but it seems like this patch in v7 still prevents the > device from booting.. > > You can find my defconfig at the link below. > > https://gist.github.com/konradybcio/d865f8dc9b12a98ba3875ec5a9aac42e > Thanks! I assume there is no further information such as any console output? Did any of you other arm64 platforms have this issue? Just trying to get as much information as possible to get to root cause. -- Mike Kravetz