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 88311C83F09 for ; Wed, 9 Jul 2025 13:25:32 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2919B6B00A7; Wed, 9 Jul 2025 09:25:32 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 21ACD6B00A9; Wed, 9 Jul 2025 09:25:32 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0BBA86B00AB; Wed, 9 Jul 2025 09:25:32 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id E85A16B00A7 for ; Wed, 9 Jul 2025 09:25:31 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 96E01B6DDC for ; Wed, 9 Jul 2025 13:25:31 +0000 (UTC) X-FDA: 83644798062.12.A6E4DE5 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf22.hostedemail.com (Postfix) with ESMTP id 342C5C0017 for ; Wed, 9 Jul 2025 13:25:28 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b="LHoWG/GU"; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=dDEVWL9P; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf22.hostedemail.com: domain of harry.yoo@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=harry.yoo@oracle.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1752067528; a=rsa-sha256; cv=pass; b=nKuQu5MInoPsGdRzKa90PqekbeYCVFH7XRXMcSEQ8is7Ag8H4BAIXWMqyJ3rZz4QLIO0cD XQnynwWyId7O3Gj6ptubfivDUF874nmgz0y2oz1G6AG6hI5+kdEO8u8qfU+VlAuBBmxtqd SgDeVJKkq117W7+kV/hLxZ8Iy/wssSg= ARC-Authentication-Results: i=2; imf22.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b="LHoWG/GU"; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=dDEVWL9P; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf22.hostedemail.com: domain of harry.yoo@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=harry.yoo@oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1752067528; 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=h/TOS38LE4al5L4bsnrApge/WL9WMN8bknP/F9cq8ME=; b=QaZ2F4SYcM18C6jqyR1HPAZK+CvEGv7qLblQctY5YnN1rChxpFsY6zmuSLRYW+Ps2o3WFs xBB7LUTGf1zYmtJ8/hkgZOc6aQ3GaqwYCW4EUObJzzBKKjbzCEO9HX0sDVUyKRWykdACUz zDi5YoL4VK4DgJ6XE8dMu5AcMfwtcxw= Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 569D2BG3030131; Wed, 9 Jul 2025 13:25:07 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=corp-2025-04-25; bh=h/TOS38LE4al5L4bsn rApge/WL9WMN8bknP/F9cq8ME=; b=LHoWG/GUi0QTvjQwcZ2gqsbYRX+iNxfc3A vPA80w19jkox/8SvE16PaoZ2rUTmBgHLaJ413JtxxPi7hqM/lDDghZUh4fZzTCZ5 IBB+6nf+L6YI0EeooIez7KAemnFule6MRh3ESiDOXrat0jrxbejYd39MmbcbJPhq imG4epU/6fjIs2tNWCCYmzyNUgC1M/1a5cuhzCxLmThzYT8HSNRS+UMv4/pM8hAd 5mC9S+aIok6ydfj8mDeNjDOtwk7AYLvKgefVDSSKJjhpuPgIifjx3wMpv9Z31EMI mk29MCYPXc2B1LWonypLCxI4C0XyQUs6xj4n5zTGakFzPY8b/1dA== Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.appoci.oracle.com [130.35.103.27]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 47srxsr1n6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 09 Jul 2025 13:25:07 +0000 (GMT) Received: from pps.filterd (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 569DA58M014002; Wed, 9 Jul 2025 13:25:06 GMT Received: from nam12-mw2-obe.outbound.protection.outlook.com (mail-mw2nam12on2084.outbound.protection.outlook.com [40.107.244.84]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 47ptgb01j1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 09 Jul 2025 13:25:06 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=kEgCvfe175O0ryVTD4j1qkdRlyu/8Gl6zDKyDFWIpiCG2zOnMnI6b5lOqUcUCF1t+L30B7yMQkYnU1DbcnCRgD1hCMXAYdT2n+xJw7B3y/E2ZGWpuaCZn9gmshzb7muXO51k646cJUzGPsnMPPttFta6CMJpIVoj+oQBDlT73sPFxARb9pIAXhSte7lOkYS4aN2m6RW98KwK03OHRBLuVS2TAfMRrRtrCx5Pqfc7Tm/Mkx/7aUPSqYSkQGmi32K/+jirpFQvONkPQIxvHzlv4ElV0XyilppHUolgGP9SO8aiQnuqSmb21eCPmcxrQlv56rHrn4XYBLpZAtbvd1EM0g== 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=h/TOS38LE4al5L4bsnrApge/WL9WMN8bknP/F9cq8ME=; b=ltANfZ6d9xM1lRdJYjn+437yG3i5A7u4l2lVe6xgB18HEejEoNp6QSp24T8xaiEHrRF7oeS9zDDFQxVq+oZHFj17bWecA2/QdljDW9ofyQubrs5ClPgKFo5Z2Mbk2SSbpgJ9VlMW9HJ5+Rr9K/RSKdUMeX0CdrZ9pWevWb7d+3FcsDNkIzzrmDqbi78js0nT8eVnFzaiViFus+8VdqWusThgxbSR96nmybVoBha+uW3BrB62B5XGxCX+YgvelUWo/ATVLw4gGJQg7wamM3rg42xUyuSWIpDuRskA/AgTABPiklKNwKvYR1vXHhTNHMoWFrTz8b/6K07fg5nsZdNqnA== 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=h/TOS38LE4al5L4bsnrApge/WL9WMN8bknP/F9cq8ME=; b=dDEVWL9PAIUnueVDrQl3+tMzY/jlDCHNIBxq0uCROfq/9ktEpquz7pGaFR+V2PUcIPc+S4zLzk/zvyXbLFHRIGcXQXtyanKHXktTqMpmstkS+hzhWsk8D4BQkeg9PAPRzNiFcinOxfCwdQjoLvBC+I8QNkvGf7Ehb9Vdy6At8NU= Received: from CH3PR10MB7329.namprd10.prod.outlook.com (2603:10b6:610:12c::16) by CYYPR10MB7674.namprd10.prod.outlook.com (2603:10b6:930:c7::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8880.21; Wed, 9 Jul 2025 13:25:01 +0000 Received: from CH3PR10MB7329.namprd10.prod.outlook.com ([fe80::c2a4:fdda:f0c2:6f71]) by CH3PR10MB7329.namprd10.prod.outlook.com ([fe80::c2a4:fdda:f0c2:6f71%4]) with mapi id 15.20.8901.028; Wed, 9 Jul 2025 13:25:00 +0000 Date: Wed, 9 Jul 2025 22:24:50 +0900 From: Harry Yoo To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Andrey Ryabinin , Arnd Bergmann , Andrew Morton , Dennis Zhou , Tejun Heo , Christoph Lameter Cc: "H . Peter Anvin" , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Juergen Gross , Kevin Brodsky , Muchun Song , Oscar Salvador , Joao Martins , Lorenzo Stoakes , Jane Chu , Alistair Popple , Mike Rapoport , Gwan-gyeong Mun , "Aneesh Kumar K . V" , x86@kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC V1 PATCH mm-hotfixes 0/3] mm, arch: A more robust approach to sync top level kernel page tables Message-ID: References: <20250709131657.5660-1-harry.yoo@oracle.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250709131657.5660-1-harry.yoo@oracle.com> X-ClientProxiedBy: SL2P216CA0183.KORP216.PROD.OUTLOOK.COM (2603:1096:101:1a::13) To CH3PR10MB7329.namprd10.prod.outlook.com (2603:10b6:610:12c::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PR10MB7329:EE_|CYYPR10MB7674:EE_ X-MS-Office365-Filtering-Correlation-Id: a8f84d72-dd89-4d9b-dc51-08ddbeec0155 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|1800799024|376014|366016|921020; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?kyxrTPbZZHdN4gF4egi6JNnZGbRQ918nzj6xco+CEEfTxQaE+Rmib1MEJ+32?= =?us-ascii?Q?yQPDPQJ4IUYlXJ/cb0Tsq0aAXy+WIvDL92B26fyktFw/nmuuxe4tCR6bwKwu?= =?us-ascii?Q?qULGPzguu8Fn+ioYLESyULxnN0Y0WLZsy9hEZ4UE1jNegyjfZ1vPRwz6bWP/?= =?us-ascii?Q?0pbN+iQkrxjFBv4WLX3o0ygP9o3aKqJhb6LnYXxC++S7sLgNpu9k6KxZC1uB?= =?us-ascii?Q?gPjor0VK5mh+fjtciHzcTC9x/G4doD0zK7p3stss2AQRgNqS6fvmoxbdyTGU?= =?us-ascii?Q?gqnS68Vaar2uA4RsosNcj3Vy8zM+7AICyyr8ahh7Ww8H0uVva27fMtkFiQ1i?= =?us-ascii?Q?UN/bdbVS4Gefs3wWZ6I32owPa4/IHX+Js6znHZ5Gn05PeNyfQVgv8Q7+7HjT?= =?us-ascii?Q?tyT5sgwGhQQNHD84HCB2EpkQ5aFm7XGPjFw7KV/A44ehGJmbSCv9YAZq2043?= =?us-ascii?Q?loF1P42txOrnapbmm2U2eJAguLXFormI/89YKLIHJ1O3X3zqbam3C4v+2HpO?= =?us-ascii?Q?Ub6GJbDyTcJpMvQXUUIhNM3xDb276kidTkoFf1vHXsLEFbwbWG5jZUx3OFgz?= =?us-ascii?Q?jBXDjqrHvnmW1JVHjnKRiBRizwSSyemxSbpC9YqF70cquKhWPSqJBJm+bte3?= =?us-ascii?Q?2w5U/sXXf7NRH5UbLYuDbgq5R/qb5gxRBxX3OKSxnEeqIj7ongadx2OiAZDD?= =?us-ascii?Q?W7W5PvJNhTnNQ61fO3WyOwVlrBTpYLDj72jKDWVp18j1o5IebwAjKc2XqcVA?= =?us-ascii?Q?gyItzlmkQQ6qLdEGKVg4JgiZW2JClz2oWMkq7NgBUk9vul2OIKi1ft2jrInz?= =?us-ascii?Q?PAXV7bUl1y5/EU71x+GFYrz+HfRa3uj+ZXYa3zN4nhGi9BqM0qqw2esSeDxn?= =?us-ascii?Q?YwthoYM1k5ZUw0+zetmYz6IrUjx/ICUO7UrjB7lq4Gp5MR23zi4rN9pq3oeT?= =?us-ascii?Q?Dhv0k3P9GrYdJGpY+BINyqDyvnYNG8/FV6oFocKnqCfHdWk1cao2q0nsFa1a?= =?us-ascii?Q?h3HYBMf3JfvxxMFTl4fA3iibEfEBDRwlKnvJDi2Qyjzil1ww2EnBP4jB5vRB?= =?us-ascii?Q?6lBPvdzHaBnh2XLCy6JkEGLiJKpjPfO6Piab62wiUf3x46I2DKKHFNF0Z3p6?= =?us-ascii?Q?NiPtT0mk8AveoVKSGaxPO53R/YqkP/f+0Q2XVlSTcHhw0tkoPmAFDsIEeznW?= =?us-ascii?Q?I6zYfsKdhasNbjFwWEkcBcTjFWhV3KDIwCUI79tyDHtf7C40zeBVA6aCL1mS?= =?us-ascii?Q?jVB7xsQYrbyIkiVdpt96DsODyt6hPvqLmiNzNlYTbVx0wl3QcIY6MuJ0Huyb?= =?us-ascii?Q?1kCdBxzbyBXrKEVz6taUPIDfsc4PdsOx5lSHQljV8z74/x+HW8Sj4kBGLbVY?= =?us-ascii?Q?PSCN7gceGHTYRTNL/eHM1MHDlQWspbMx1/Z2qetWAhMjBd8UXCgKI1zmc3W3?= =?us-ascii?Q?BImXc/5TfICrKdCOLwU1OAjel0n2AtRFORNZtX+nXrmyDxG9XMhr+A=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CH3PR10MB7329.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(7416014)(1800799024)(376014)(366016)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?2RR4KdHXwkUWAdmiL4EYpKfO/DJca7ZcTl1uPqGHJopS76b4jIOb5elR0K97?= =?us-ascii?Q?ckszum32h0JUjeGh8yFLeWaEKnX/dzEYOTrgI9wjQlsoTYEcNUzaMcYjunlS?= =?us-ascii?Q?ZdjlGudUUm5q8GwwO/BpKu847F38gIpbDD9mS+iKMYyiYbaYFTyQE7szKwdc?= =?us-ascii?Q?SRkFpoLTY5gToA03om/JJy0ndj0lqsSlbauTelkitJgizH9o6XIvrLS0y9qh?= =?us-ascii?Q?LKccJqSgyxo43lwtKkGpBHFccgATT1y2HNHngJNpOL4iNcdJ0On3jqO77E7J?= =?us-ascii?Q?JKXfPz+dlltUgWGLtfqpesth0hfqsdQsRCcnYnO2oc9IWjOyKsvArtjrLtNx?= =?us-ascii?Q?hNYWUoUEey0A1IsVHR54PjQrqg0pSUcsgtnJj4dOErbjCXg3ZAPGZYZdOYLq?= =?us-ascii?Q?q69o4abwz268hJyoYS7ak7/0CCgAxG1NLblxiAqU9tNI5xhwQC98/WQMDVID?= =?us-ascii?Q?CttCbD6m5l2iQAKMF8je0sQnYrisDPlGfa14eT1iVQoLBGivQzkugdm3vpuY?= =?us-ascii?Q?rUmFfkUFYyh+eXBHxpGAwUggG6NOV+9rdcIs7FdCnzt7gbLi/3SdpUl/d+kW?= =?us-ascii?Q?A373P+ighTW2y+KdqB8nBEGERFpmiK3mROyvFcMHQYbKi+3+SZKdwskagOyD?= =?us-ascii?Q?/uxpYvSc3gv2tg1prtq6AdEF3XOnK3libNHXQxz6vHKSTqvfOpZyH60serKu?= =?us-ascii?Q?8kS1NzO+QN8qhH3Ki6uGyL62GsKo4sDvxRIdWUvgwWVhnHpnLstY3p6ZPfd+?= =?us-ascii?Q?JlrylueW5GTydUq60hzAZvCLUjf/wt9q0WjqTlHXhyYTU42bPwFTmZqYabPG?= =?us-ascii?Q?dM27mggMa9rwHazBicSwNaQXRabvDPyI9YUelcJnZZmBWYPe7fuf0DTjUKNp?= =?us-ascii?Q?5iD7o58zkvEshHTTf0SQT6h9jugm6o9spgMNH8fD/p3RpM+SJSiJ+csPfJiW?= =?us-ascii?Q?g7lnKVBEUyjoI3QAs48aBNjHxzQWgEE5WNTMCST4F32cXbkXKrg6R4E4FuJd?= =?us-ascii?Q?/mGisj7EK57VCzj8OJTDY4+edOpiKF+z+Shco2bV2qFPSFZu25zczq5temHO?= =?us-ascii?Q?WuJ8t/gOCBVhl7qnYY8QFJgkG9tValGKCKtIIOr3Q/5CFhaLPK3b/7c8FSqv?= =?us-ascii?Q?G2YAX7rYht0nOUAfEonc5sN+9r7Z9p7kVcgnCLluYaXnt/RGgmAnawDw6pzs?= =?us-ascii?Q?VxVyHPqtZXdnx+QFRURrfexIybgMssgreFmfiUXo5G92mZmLxGY0YmNPOXeD?= =?us-ascii?Q?0Is6v1t/QOiNgUGBwskiFQo+CCPJP18p91RWvrrbdvpPauudGj09gN2Enj7p?= =?us-ascii?Q?RdN9AwVK6om2Hb7Ome1bfl887Z33bXkvvPmL8FMtWZrI3638JrKDbaHgJC9q?= =?us-ascii?Q?Yl3dPznh1PhMrAkh6LcM9z9xkKF/ItW55fUqWZ4ziQp0oYOaF+51oMm9ri+X?= =?us-ascii?Q?eaJHN+7sxcRg/bQiE/mz1FlVvyGqxJuwG44rHw8fAQfbJFbMacQQvKx6/uCo?= =?us-ascii?Q?NEQy6vxFteELVbrxoS01dHBCkLjLC6LXIBgoGD2rmOeLxOhxTz36tOiir4fB?= =?us-ascii?Q?LWumeJtE/Q1otzbOTw+3jlRjaK+/uMclFbW8npQi?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: p5LZC7FFw6zozSvuuSbKvmrDDiKTM4Vq6t1hLr012ewsAOaIimsCNgvqDwnlYLxHtx4RItaNQf9AEUq5K0/nBVIT07Wqxuen8HH7bendDgE3+8yjereJt8aXO0ddHHoYvzNPJjtW3miEL8xr4WG1ooPhVg9UzT1lHKIfO/8RoixEODI/aYFNI5LSntM2ZPxoXVKFpZN0S2cN7KAuyVhsPI0RXW1I+gD1wUaSdjGmkRwVJ/Ec6/yJIl+AWsSze9qVeafRA3Mw8ssk74NP4jt5NYV7nXkwjYj33culTc6gZGo20pu+JZjnOLvQOhfvgYhA+DVjBPC2O9g8Jm9+xELmYf4/rYFo2ZO8Gx57OZYHOS+CwV/3ehkPOKl/5cRLOZG0qlsSYwmfxWmP4jEzv0rwKBwQxMkckMXH41jcKssf46KGUwbeL3jEOHG80Y+GWh//pplLJAucAEDV/aAGRawV9WxZZqgCos5dvaGmkGC5i/ICkiBPrbX4cV7bKMobuRHAR5TdunPk+WC9DKbTtg85qurOkl0dqHxRL3NkGX6+y1tF6Cu3qpUrNRLfCJb2Wgr/bkbYNAXRK442ygoDkFjiQMPUTi8Y/rRMyHZ1ESaCapQ= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: a8f84d72-dd89-4d9b-dc51-08ddbeec0155 X-MS-Exchange-CrossTenant-AuthSource: CH3PR10MB7329.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jul 2025 13:25:00.4598 (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: 8kRZY26FzGMBvqKDG1s7IYwJxaiKhK6Uv70PQI1AlEKKDL5dBK5Maw8/ijry+DbGo+JM91Rim5AtIkz+q7P5Ew== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYYPR10MB7674 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-09_02,2025-07-08_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 adultscore=0 suspectscore=0 malwarescore=0 bulkscore=0 mlxlogscore=999 spamscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2507090120 X-Authority-Analysis: v=2.4 cv=T5KMT+KQ c=1 sm=1 tr=0 ts=686e6db3 b=1 cx=c_pps a=qoll8+KPOyaMroiJ2sR5sw==:117 a=qoll8+KPOyaMroiJ2sR5sw==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=Wb1JkmetP80A:10 a=GoEa3M9JfhUA:10 a=twkACJMuaBEVElg1KpsA:9 a=CjuIK1q_8ugA:10 cc=ntf awl=host:12058 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzA5MDExOSBTYWx0ZWRfX7ZVKcKmg1PfZ CWbiQnagDMbLDuPpjBa0w3RGtA1b2RgcG5sRiY5/7SF/G5IdPsMXrlGjTZFkAwR0GaIngg9a1bu /IMGYplVAmByLLogfB5jnyAaJks8GLU3WWD2bSlV6hNjTACvUXX/pQr6qcrq8nNq06PiwgJxzdv 4DXGUTlI4pe/PuEZyc+J6YL5w4r5bja4uExXHoUFQzs7KiwDVBFnNcWKJi3dpsxTjy7ZXP8vD+J FIafFI8sqp9/7iBQHhdUBawvYG4SiqTNYAgBryyAHpk13cu4AKYwRMJFgV3yMgqwX7rFweY1gNR kc9t3ArrR5YraYZumTPrd9RgaVJ7ETXJGoFEzle3i9+bw4kbH/8toWiXI8KWe5p+DrMoHC7OlpS P27mr5BL/N8bc8ilJetiebKy63y+qHMNDG2mym3RwcRuNQQnxA8HVvhCtNG8ppxgIa3EyvyR X-Proofpoint-ORIG-GUID: _25cys5QVv27EsYiPayD84cCaS4xc86q X-Proofpoint-GUID: _25cys5QVv27EsYiPayD84cCaS4xc86q X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: sjn1jwzfpq5eu9q6w77yrfq9akrxudyq X-Rspamd-Queue-Id: 342C5C0017 X-HE-Tag: 1752067528-457809 X-HE-Meta: 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 QYdnWE6r 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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: List-Subscribe: List-Unsubscribe: On Wed, Jul 09, 2025 at 10:16:54PM +0900, Harry Yoo wrote: > Harry Yoo (3): > mm: introduce and use {pgd,p4d}_populate_kernel() > x86/mm: define p*d_populate_kernel() and top level page table sync > x86/mm: convert {pgd,p4d}_populate{,_init} to _kernel variant > > arch/x86/include/asm/pgalloc.h | 41 +++++++++ > arch/x86/mm/init_64.c | 147 ++++++++++++++++----------------- > arch/x86/mm/kasan_init_64.c | 8 +- > include/asm-generic/pgalloc.h | 4 + > include/linux/pgalloc.h | 0 Oops, while I created include/linux/pgalloc.h at first, I removed it during the development and didn't realize it's still staged in git. Will fix it in the next version, but let me wait for some feedback for a while. > mm/kasan/init.c | 10 +-- > mm/percpu.c | 4 +- > mm/sparse-vmemmap.c | 4 +- > 8 files changed, 130 insertions(+), 88 deletions(-) > create mode 100644 include/linux/pgalloc.h > > -- > 2.43.0 > -- Cheers, Harry / Hyeonggon