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 9445ECA0EFD for ; Fri, 30 Aug 2024 17:55:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 31AAF6B01F1; Fri, 30 Aug 2024 13:55:34 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2C90C6B01F2; Fri, 30 Aug 2024 13:55:34 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0CDB06B01F3; Fri, 30 Aug 2024 13:55:34 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id D99696B01F1 for ; Fri, 30 Aug 2024 13:55:33 -0400 (EDT) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 43E261C39E4 for ; Fri, 30 Aug 2024 17:55:33 +0000 (UTC) X-FDA: 82509664146.05.67A5255 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf05.hostedemail.com (Postfix) with ESMTP id EA6C5100007 for ; Fri, 30 Aug 2024 17:55:29 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=cCc9KVUA; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=PaaNX0OY; spf=pass (imf05.hostedemail.com: domain of jane.chu@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=jane.chu@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1725040484; a=rsa-sha256; cv=pass; b=1cG0HUxbnrMDpEyij5z6IjMf0JdRwRoQH4/z9I+9+VbmNSZfpPcWXcu04WU51fGrEEQgcQ 9L4psaKtovIQnVEUND9F2zr1s/T+MTZnSvVg0t36yrRebOJnLoaAkUoLvUEcS1M0JOwXAp xGAWnpZXEZ/7sc8eKNjGM9blM0Nh0Rw= ARC-Authentication-Results: i=2; imf05.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=cCc9KVUA; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=PaaNX0OY; spf=pass (imf05.hostedemail.com: domain of jane.chu@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=jane.chu@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1725040484; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=o3gW/zwvUz47z6CJibvxMvXVucFWI1GIenHTuDhd9xM=; b=P7/3G3uhBo1NFRyqH8mt1HnfZzHi8kLruFA7EsZ5Q1DhLKSBMJKRxFhXDsaRP+L6KHTDBw OLjbJKyqlzOYPH+zGMBhmS8+b7HoLoJhVGCtFz2DuYudHHQTPOOgxfAKxdd9S1SCTdeee0 IxDAMwIeE8XsbQP42NpZEJiRultkgVU= Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 47UHfXZQ010998; Fri, 30 Aug 2024 17:55:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h= message-id:date:subject:to:cc:references:from:in-reply-to :content-type:content-transfer-encoding:mime-version; s= corp-2023-11-20; bh=o3gW/zwvUz47z6CJibvxMvXVucFWI1GIenHTuDhd9xM=; b= cCc9KVUAAAKLH5pIl+eKqWj4QOM/mult/zsWuOFmGJq25v5MkL72Dws623nSLtH3 RjWiq5xqjYNdHWw3V7MJPj09TA3l2XHle29z4gi79/0XvKlKQ/MbGKgjd0bAroqH AfuBtQU86p7KtB7b+CM7MtwB4yKO0ss7VHe9dhTDPKHPdBrCa75NXxuKZUNGQYIm CocI5fsKdHKk9F2nv/Thwqt8cv+UrNZQmEwisbKuu9KBn/785s9SPBsz+CsF3gXJ m5ODN+HWvUglUIe+k/WYxzifu5uohee97hFtnkpatXkm38BATa0K6uAObFqzPZ/s vz8K/NByuwRfoOxED5YZWQ== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 41bh8t851f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 30 Aug 2024 17:55:21 +0000 (GMT) Received: from pps.filterd (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 47UHtDAP010593; Fri, 30 Aug 2024 17:55:20 GMT Received: from nam10-bn7-obe.outbound.protection.outlook.com (mail-bn7nam10lp2040.outbound.protection.outlook.com [104.47.70.40]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 41894sbc6j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 30 Aug 2024 17:55:20 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=BX8EvxG2NdupcIuBlacSyczsFZ1WEhcTywcvxbrhzJXP0hTsj3BuaCtTACEkn61rNMXIVpLBLL73VvoeLSjihfMO8tIK7rcUygCO9xo/pDp4MWOiY9wCOsHA681dPXCAbrkXUqCELP9Idb7lLOMlo/8sAvNIfbViZAebb5BUan1c1Rr7iQw+3WQlZYzm1aCp+dICWLbR96lMUEOJOO6Ur5aeI2XUWzWcHPEHZ3wYiknvGO4oUNNi8HNxSfU9qwQtjF5HAkmjITXHdeb6PFIRUfhBAB9mrHrpZC0A6KtynxohNMSNMg1s6g1XVoro2frDq5YCMDc+AEj8A7EaTU7itg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=o3gW/zwvUz47z6CJibvxMvXVucFWI1GIenHTuDhd9xM=; b=cEa4mqZX2f5RpG9kPES45s/g83f/4noEweMxQb36AJMnxuz7c8rqoa6X2AcwqjZ+boKXLXB4w9yWdirz6pGxKKu5QIQewASMuGKVTm0uGSDOCPeMyeUZtcA9xiH+XVV12+Li7ceeXrNNrRCdAMKYwypbcS86UMY76pNkWwGBM8CFNPo8rkK/IacAkul5FQIDizpv/3djit3sLkTTDYagkAsygWQcu574JVtJzl+3mB5MprWGaSFtggwv3c4XjAaFsINpyJ7ja7D8NN5dXMYRs2HDejdX3ByjxHDj0JvWW9iB6L7iYby7Lz80UPsPGd7FJ4U+kVs+7wphd912EBXPyw== 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=o3gW/zwvUz47z6CJibvxMvXVucFWI1GIenHTuDhd9xM=; b=PaaNX0OYGyYMkk+ssGNFFNET17He0u3GgMyKDXUpXC5Q/wuH5Z3oh36UtNrezFJZikYhccgrBJh6imndw71CQ4fOeFunht8r+Pd0gugxXBFvB6Kl77kPaQkH2V9inytgUF3C1vBe7o4rWA6IokSNssPIAtZJVr7AQ+2gSuoXsGg= Received: from SA2PR10MB4780.namprd10.prod.outlook.com (2603:10b6:806:118::5) by SJ0PR10MB5629.namprd10.prod.outlook.com (2603:10b6:a03:3e2::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7918.20; Fri, 30 Aug 2024 17:55:14 +0000 Received: from SA2PR10MB4780.namprd10.prod.outlook.com ([fe80::b66:5132:4bd6:3acb]) by SA2PR10MB4780.namprd10.prod.outlook.com ([fe80::b66:5132:4bd6:3acb%4]) with mapi id 15.20.7918.019; Fri, 30 Aug 2024 17:55:14 +0000 Message-ID: Date: Fri, 30 Aug 2024 10:55:05 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH mm-unstable v2 0/3] mm/hugetlb: alloc/free gigantic folios To: Yu Zhao , Andrew Morton , Muchun Song Cc: "Matthew Wilcox (Oracle)" , Zi Yan , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20240814035451.773331-1-yuzhao@google.com> Content-Language: en-US From: jane.chu@oracle.com In-Reply-To: <20240814035451.773331-1-yuzhao@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LO4P265CA0098.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:2bc::15) To SA2PR10MB4780.namprd10.prod.outlook.com (2603:10b6:806:118::5) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PR10MB4780:EE_|SJ0PR10MB5629:EE_ X-MS-Office365-Filtering-Correlation-Id: b981ab0d-3d62-48e3-c2c3-08dcc91ce651 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016; X-Microsoft-Antispam-Message-Info: =?utf-8?B?ZE1KNDJ5RGNYTU05TE9WSkdPTVlMbzIxR3F5OTFHL3VwTitDQ28vZnVneXJU?= =?utf-8?B?Mm9McmI0YmZzVjlYM3M2Y3lYelFrWnZPQWNhVVRDM201SGs3Y1hUQWJORWlo?= =?utf-8?B?VzZ4TGw0TFc5ZGh5QjZLbzVqeFlhcWc0N05VaGVaQm5kRlZKRGExV3MwSWd2?= =?utf-8?B?QXpydXVBaVFEdnBJM3Z4SUNHZUNrcTlaYjVYZFpLYzRzb1NNcE91M2o2YURL?= =?utf-8?B?NDRVTG1DOXo3eENDTWpha1A3eUEvdG1ObThCeldRS2l6b291M1ZGLzIxdEVh?= =?utf-8?B?RFJKeWhmYnhxUUp5YWlZNlNZY3Rua282aGh3RFpkOTJkOUQvWExjcll2VURE?= =?utf-8?B?TmZSMVQ0R3ZVc3lkUmZ2NEdmVkcvQU9ZRmZvcWxudk5LbU1yQmFXMWhkQnl6?= =?utf-8?B?ZHVweXlLUGJHRjBOdGNqZXdYVG1iSWFlaWQrZzdQc3VINVhaMm00TWVrS2JS?= =?utf-8?B?V0hNcElFTjZGbmxiajJkNFFtSVFWcXFsTk4rWGdUSXVxQUZzQnRuM1drdDR6?= =?utf-8?B?QWVTNzZYOXhON2VqSXdYdVpFT2NKZnlRNDdrcFNROXV6MzFTZkJwdTVlU0lN?= =?utf-8?B?dTBNV3dCQ1loT1Q0d2ZES1MvazZqUlloK3JoWjIzUkx0bXQ2cTZ5aDNQREJp?= =?utf-8?B?S2l5MkxBQTkydkc4TEN2K2hubitpVGplcmtVek4rYXA2aW82eWhlbXhqSWww?= =?utf-8?B?WXRMSmFFWERZRkRrN2czbXJWZ2RNemQ0cmVZMWhDcGlhRmpWbGZ5WXd4RVQw?= =?utf-8?B?eWJUTno3cGFUR2F4VFh0RW9hRmNtclMxV1p4VkducDdibkVkNzJnNWo1NERy?= =?utf-8?B?dXM5U253UUZ4TFpadnVlaW5nc1pqb2N2K0RibkJGWEZxL29YZSsrb1hNNERt?= =?utf-8?B?Z3pPS1g1R3V3Zjd2ZnRFcGM4YlpWVllwcncwbnF4UGtmd0tHZk9WMGZUM0NX?= =?utf-8?B?akpRa1QyVC81cW9FN3NTcHhSeTAvUjQ2WmlBdjh5NWhsQ2FmMkNnMG9xdVJB?= =?utf-8?B?LzFCQjFyMmFTTVRLbHZBV1RpbUdnRitZMHpGUDEzWlpqK0ttcHFGTWlGUS9i?= =?utf-8?B?RGZrZ1VrRzBrTHlVUVBUWnI3TExmcGgwUFExOTM0VElMNGh6b1FWYzlrTUFt?= =?utf-8?B?YkZ5dW1oM2RvNDZ3Q3RObXRBMHQvalk1cGl1UUtiSjUyWXNvSXgwNXNJbDRK?= =?utf-8?B?a3lRMGUvYWVBOW5zeGxsY084Q2NkSVBGdjRROHVSYlphVkprSTRFRllZNDRt?= =?utf-8?B?OHNVTGZERWs5dzh2WEpYSStDL3ladjIxVWhlaEJmTzNnaEtQeGlSdjEvWnFU?= =?utf-8?B?MnVoZ0NGQzk0c01sTzJHVVhkQnNhQjEyaGx2blNPMVMvZE80RytyOHZQMTEy?= =?utf-8?B?bGk0VjNrRkxuWEQxNEFYcGZabU1LN2J0Zm5ONDA3WTRobFdXKzBlZnVIUnVC?= =?utf-8?B?eVl4cjFxTTE3b2xHNFl5MlVtYWJiaWhMYXZ0cEZUc0hyeWdFcFNMSVM2aTlV?= =?utf-8?B?NWdJMmZhbDNpVnl0SVdhbGZVUVNaQ2lhSFAyTFJhUldzeUhBVXdoSzlHRFBr?= =?utf-8?B?dTdWMWxOM3pvZGZMNlJ0SDlXUFhZdGFpcjJRbWp0SWEyekkwODBzN2dodURK?= =?utf-8?B?ZnRZaVBiTWoxUzZCSkdnSlhXdDdwOHNxTXRydGFHVlVhWnJRK2VCeG82UGJ5?= =?utf-8?B?aTFEV0ttS2hxS2xDR3lJYUc3RTgyNUxmSXl4QkNqMVBZM3VpVkNSV2FDeEN0?= =?utf-8?B?WTcyR25XS3hWWHNRWjJ6RmVoZnpGdUMvMHB6MnQxZDVNc05LVUpHYzYrQWJZ?= =?utf-8?B?SGZGUitQRXduV3lQeW5odz09?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA2PR10MB4780.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(376014)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?MnFnS2s1VEdEOTJrYnhuL3ZtbzlaMzFaeXlsM3A3Y0wvZGx2R3FSSCtrdmRC?= =?utf-8?B?bU9rb2pxYmFFZy9EOFdlZlNGMndQZk5nMS9GUlRsYUl2aW5JNEtxY2owQnpv?= =?utf-8?B?cGI4Q0hXVjFrNDRRUTZ2aHJOZ0VFWjZIMUlSN0pLYzFMeUN3RWJZSVVnMCtN?= =?utf-8?B?clNqZ0tXTExJRUI5UmQ3WUNmNnhHcjZ3K09IdGg5bDRGZ1lPSUovRFNYMjR3?= =?utf-8?B?SlpGcFhsdUFpZURxektVc2FMOG80a2pIV1NRNzliWVAxU0FiMk9uM3p1NW44?= =?utf-8?B?azltOVJJUzZSd3RXUXBFNllCVGJ5b2V0MzVwRW5mdFpJNmhNQWszT1pTNGhX?= =?utf-8?B?eVNwMXlYUU1Demczd0ZVMFM3T0xndklnRjZzNGFkNndvZUFOMDBjTmFxNURE?= =?utf-8?B?ektWc1ZrVkJUQWU4d2FIWWVwMXp1ajZFRkJqM0p1UlEzWnRqWEZnWERTaU1x?= =?utf-8?B?OG9PTVlWWXhUYTV5elBnc3ZTMDQ4TUhRUnJVejJpVGdyVjRxVHlRMmJqSHB3?= =?utf-8?B?a3U4VjN6TGMxMnIwTmdxUnY2UEpqM29IblU1bEx6TUVLaDNNaU95QktaUFJE?= =?utf-8?B?ZTBBai8vZVFBTVByMmV1ZVlSL2lWZkVtZHdWVnBiWFlhSGdLM0plc2JqSWRG?= =?utf-8?B?dTlCM2pneXBwbkxnek9yQzgzS2htcGF5bzVPN0JTL25UdnFnZk5TT1BvWmd5?= =?utf-8?B?a1JpcU5PS3QyamtuKzBybzR3VngybXBUVEFpVWxVdkJueVQ2WG5KdXlORDBk?= =?utf-8?B?NHpvV0VCaTZwK05RSm0zSE1vRUJYRXZDRmNUZXA2R3haTGNzTTlJdWJXVG02?= =?utf-8?B?bUFBU2RmOGoxbTJSSXVVNmppY0tUQ2dKZE5xd2V4eExHdzFPRWY1Ry90bFZa?= =?utf-8?B?YzE2ZExlTzVXWWZnNTNvUmZXM2NsMWFXZitpb3RWV1h6TGUyWmZDUXZjYUxX?= =?utf-8?B?emt2Tyt5cEZTZUUrSVhiMDJ0cDVKdlBkdUtnZDRZWTd2aWtObUlVK2I2c1kw?= =?utf-8?B?UU4xU0lhZ1hHMkp2S1lMZVEyNklkczNYYS9PWHVMSEFvTGdqQm5obWVaSzFn?= =?utf-8?B?bW9haHRabnA5NnRZS2JpanpXWUpqWDEvQWFTWGpJN2lZVnhQcElYS2svZU1F?= =?utf-8?B?Ry8vODVXNUlkRjdsTXhmaGlVb3ZJQ3U4S080b1VYRVZwNDVVcFZwRnlxM0JZ?= =?utf-8?B?UyszNnplVk9YMHhBNjlQRjV3ZWE1ZmxrYU05aXRrc0JJRVY1VXJGelcrWmln?= =?utf-8?B?ZmlNemtnazJUQk9kS1lIY2dZZFRYMEgwb2JjVmVLWmYwUkJFSy9ZUUo3NDRw?= =?utf-8?B?WWFSMkxTWWhuQ0hQekdObnczVlVPMUJmUlpvYk5tTm5wZStWb3F0cmRqTnd1?= =?utf-8?B?K3lXcFgyWlRsSFcvS2t0cCtwRGd3V1dSYURHM3FFelkxYkJDRUJubGdqc1U0?= =?utf-8?B?MVZDekY1a2VPd0ZtMlMzS29mOFd4Y2ZjUXVrUUJoN0dqeVg4b2JwdmVra1lR?= =?utf-8?B?c1doM1BWeUE1OFk2dGxOSDBubGZPc05HL0h3a1BEK2lNdnE2bVN3WnF3c0ps?= =?utf-8?B?N3pzMWVwK2pUQUdMQzNEWEFEb3h2TURFNmlJdDI2eGNLMVpRSDFPZ09ibnY3?= =?utf-8?B?aHYwbk5LYTBhcUROQTNVdG05ZmJUWk5VT01iYjduMis4aFpMZHQ2QlBsSmZV?= =?utf-8?B?cTJ1ZDNEYWthUlRCSjVBZ1JVQXFWSVlkMzRNMy9hWnNtUzVIVWRlY0JHbU9w?= =?utf-8?B?aFYybW52TWVWZVhpRnpMQUgrV0lxcGxjM1k3WGdHZmdWbDdoam5sRUFvZnAv?= =?utf-8?B?bVJtR1Q3VGxIdzhnNkd6bGpqWnNncnlLVm9keWIyYlQzbUNiaTdlQnJraUpV?= =?utf-8?B?R2UzSVRoZmJEVUtPRHF1ZTJXSlpwb2hmUU1LS2x4VE02WFlTMzhBTFkxL1JP?= =?utf-8?B?bWV4cmlmNll6WFhUTGp1K1ZlamRsVkFxeE9MdlZoZ3R2L25FbStBYk1mUWdy?= =?utf-8?B?ZTNGVC81NG0ybGdNNGYxNzBOK3FjMldPcFBNMGRIN2tDdG5FQzJ3bXhUN0ZQ?= =?utf-8?B?UmtPWWd5T0Q1TTcyYnBSdVZyOEJreG5hVkZabGVhLzRCV1R4bHREVy9hY3d2?= =?utf-8?Q?gsRK2NGCP13N6Od6GS1vH69RS?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: b981ab0d-3d62-48e3-c2c3-08dcc91ce651 X-MS-Exchange-CrossTenant-AuthSource: SA2PR10MB4780.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Aug 2024 17:55:14.5931 (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: 8hBK/avSKVyLWWiyL8FKf6IshKCcPw1m6UpUPsfDQtJhRsP7k03ZSROloyD9YHLyGa1C4DjGOk8276GM/slfyw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR10MB5629 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-30_10,2024-08-30_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 spamscore=0 mlxlogscore=735 adultscore=0 suspectscore=0 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2407110000 definitions=main-2408300136 X-Proofpoint-GUID: OxHqtTbN47Z-tarv8cKKscQkrdzZ3-JB X-Proofpoint-ORIG-GUID: OxHqtTbN47Z-tarv8cKKscQkrdzZ3-JB X-Stat-Signature: gp17tr8tugke9mnuczyhftniufndhoz6 X-Rspamd-Queue-Id: EA6C5100007 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1725040529-543802 X-HE-Meta: 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 v3jl0a4W iEkON+Ge0ArNWACPHu8lGLb8toWlSaf+maxZmt04vn7x+sn22DeAT+UrVkifBuic0IM6cGJtB5U92tLK/V0Vq8tiNrBfdtIT8k5ZtMlgyKm+H12HiIF93KSSf13HGZbHYA5mjuFmVIXOOkt0vcfCcjQm6BduRXlG/FXENNF+m3JUpYVhL3bXJCXHXGW/WEK7s24Tu276s+2jbzQZBdlxLBpfyKlrx9dd6sbreGln/ZUo4gK2vcDRXP60/5PWmso/z19ceoHTE3NlGxFoZr3u/jD7sF7I1GT7v67wjeUv/N9o6w2reA1Ufp4+4T+QsY2fs1g2hr47/Gj7YyEY4sE9Rxnt4g0NcLnPSkzLH5k1ioEL+0wIgObB8HcHe8b/3v5LIMTmgDHlbdAL/7TVY0V1BWG611c56BkZad+YnZ3USvJuI92DEc0F/uaXUFw== 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: List-Subscribe: List-Unsubscribe: On 8/13/2024 8:54 PM, Yu Zhao wrote: > Use __GFP_COMP for gigantic folios can greatly reduce not only the > amount of code but also the allocation and free time. > > Approximate LOC to mm/hugetlb.c: +60, -240 > > Allocate and free 500 1GB hugeTLB memory without HVO by: Do you also have numbers with HVO enabled ? > time echo 500 >/sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages > time echo 0 >/sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages > > Before After > Alloc ~13s ~10s > Free ~15s <1s > Thanks, -jane