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 9EEDBCE7D0B for ; Tue, 1 Oct 2024 10:33:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3B47028006D; Tue, 1 Oct 2024 06:33:31 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 363F9280068; Tue, 1 Oct 2024 06:33:31 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 18FF328006D; Tue, 1 Oct 2024 06:33:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id EA2EB280068 for ; Tue, 1 Oct 2024 06:33:30 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id AC2551610BA for ; Tue, 1 Oct 2024 10:33:30 +0000 (UTC) X-FDA: 82624671780.21.6612FB4 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf18.hostedemail.com (Postfix) with ESMTP id 496CF1C0010 for ; Tue, 1 Oct 2024 10:33:27 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=n34AXio5; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b="xW/+qkXt"; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf18.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1727778714; a=rsa-sha256; cv=pass; b=AwbLfHrg2tvHZOqqitUQEcS3mO9RPHYLTzN3Wbn2k+O55rXQgIx1lvNWdPWg0OxzBuHRza pWWQrvr7o7O0BYF3CUxllp63DliNlxWR9RIrGtLUQjJbv8y/QlnPYY73YFh9KF658X2oWG pfQ93IIJYV0LZ1NLDevb8z8ORsEkopo= ARC-Authentication-Results: i=2; imf18.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=n34AXio5; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b="xW/+qkXt"; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf18.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1727778714; 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=7bLtLogSchkxj+JY6jKf6p0tuGstZ94uPdbQ/SQ/TE0=; b=2lfGfxnlcTEptsgtKDvIF05YXGswFn/tsC9yBS3VwCT3ws1Q3sOOr4aUK4adLm6Whfnjag CBl2lMCLTziO/ln79O9Rk2mP+Gpaxigk3T6g28GI85cxDEyzxCaAwAc9FJ60RCi3XMH6Cg /h+uF4uzG3XOOHoDm3byxsId/zx1pbs= Received: from pps.filterd (m0246627.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4911taOo024350; Tue, 1 Oct 2024 10:33:26 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-2023-11-20; bh=7bLtLogSchkxj+J Y6jKf6p0tuGstZ94uPdbQ/SQ/TE0=; b=n34AXio5I7JU57BrFikaEjyQ8rmJTNe RR4BQpDhDJQOkYs+TWHIRq5WR+SN5FliJOUi8IlQ+b6ffiwce9xiCd3iaPLPq93E IJ+v3xKtRm2n91GxURWxKHMM7rHzWLO2IEpsdV7hh8vS1ath+AawTJAWmouKHmnI J0coOvmNcF2YKe5C+N6I1NPg1y1WbRunB9L7WV2d6H0zrnMpqEEVAW5WDlOOCAB9 GjMjFBb1alenZq8Sz7phX8mq4OVLKDO7z3ZaJecUZRxwzoBuyboBhZzpO/X3TjSW 33saGefj2Rc4JMLslFpmzDY83JSYzq7bVStnSj9wKObXw3BPVRNx4hg== Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 41x8d1dwjq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 01 Oct 2024 10:33:25 +0000 (GMT) Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 4918csSZ017338; Tue, 1 Oct 2024 10:33:25 GMT Received: from nam11-co1-obe.outbound.protection.outlook.com (mail-co1nam11lp2177.outbound.protection.outlook.com [104.47.56.177]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 41x887atd5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 01 Oct 2024 10:33:24 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=oud2zpJEq20ragXIXEv9kC+pKEOg75iDLXeBeyOiKqDB38akNsyyHVzWEe0YO00wINIfQfkiGM2bHej4RkGblQMq4moYZNk0ddhnJlEB7hnncXlkrUw+b3c89OMnNY0Oh31hP6AcwWlqCsl2cix30TN0X+Om2coVU8l8k84XPxxdv09Q1ln+4Ciu5cu9ut0iohhi3jXQDpda/+xsYxcDXlQmtg1x6UYIdMqdBYZotM4obmXALnGk8ToF/6rxBmLI7y2Ye6rzaiKdAJzBN6qcYiycLRWzHPeF4TxvGDLlHkhCGwiVuXvU5TTSGS/kdyYvHNT0Jo6A04YDK+AXGEyafg== 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=7bLtLogSchkxj+JY6jKf6p0tuGstZ94uPdbQ/SQ/TE0=; b=kTsuqY5DrAljg12E2BiUYA+kYy6GAGPtZcOfcfUQ+b+MjY6SVujGQWBBc5s04uwSA6PhhMxew7QzofSrTs0SV+kgrfB7h5eHioxRzbfbfWVWFcbZUF94sQPcVVClf0RNe7havrzsXF4OsWGzE7ks0ezwYR+wsnjyABhhPNSb1uzgj9gcumjtblw4+6R9wNWrU5vkJJolkv9y5+f7kMvKCjOkDITgH0P1sXuYJeBm105OGYNcu81JZe3kqfEUbU8mbVOwDl8XfzArBnbgTKD4Fqmu022djKyOXr6qyMSb/1+SkgTmrS8ToevnSh35dSnPmUrkZU0I6F+z0KvPcQaE5w== 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=7bLtLogSchkxj+JY6jKf6p0tuGstZ94uPdbQ/SQ/TE0=; b=xW/+qkXt7KLrKmzX3VUpts6a+lsJsGlaqJQ/fhG0szhYIWbaSn/CvRi0kamJmiQSmzPZBhKfQWdkrcaHsASZz+mMu5zjZWKQSLu+6GfyruUU0zeDAiKLPIX2vYqavFuaOc6djEQTrdOjkHOsL2sKhqN/E9PgL2BU4qQ3xdLnFgY= Received: from SJ0PR10MB5613.namprd10.prod.outlook.com (2603:10b6:a03:3d0::5) by CY8PR10MB6634.namprd10.prod.outlook.com (2603:10b6:930:56::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8026.14; Tue, 1 Oct 2024 10:33:22 +0000 Received: from SJ0PR10MB5613.namprd10.prod.outlook.com ([fe80::4239:cf6f:9caa:940e]) by SJ0PR10MB5613.namprd10.prod.outlook.com ([fe80::4239:cf6f:9caa:940e%5]) with mapi id 15.20.8026.014; Tue, 1 Oct 2024 10:33:22 +0000 Date: Tue, 1 Oct 2024 11:33:19 +0100 From: Lorenzo Stoakes To: Bert Karwatzki Cc: "Liam R . Howlett" , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v8 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region() Message-ID: References: <2f1a5621-1c3b-4c2e-97c4-86e36bc47788@lucifer.local> <9a97af91ba1925629d5c7fa1f1aec34f92123a15.camel@web.de> <32226c4d16d2a17d8dbdbbd007d583a2a6a2663c.camel@web.de> <386f485c-5dec-4c7c-81f8-a23aa98a72e7@lucifer.local> <0e9eb75f6342a7aaa1fd0eee3dcbbb15fb1f6539.camel@web.de> <81235f36-7266-4ce0-8175-7c4d0e6ae3de@lucifer.local> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: LO4P265CA0263.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:37c::12) To SJ0PR10MB5613.namprd10.prod.outlook.com (2603:10b6:a03:3d0::5) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ0PR10MB5613:EE_|CY8PR10MB6634:EE_ X-MS-Office365-Filtering-Correlation-Id: 4f309735-1e03-4c38-682d-08dce2047987 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?i/C9ZbCOmzqmJPjlfOr9DUw/O5R37b20CPNgqs54+Sx1a3xmaNTGb+9ICRet?= =?us-ascii?Q?NIJp3N2yQpFkpRoE+AzL51h8sw/JIlW1GAPX1aWARNgKDybNhuKTzH2FTEAP?= =?us-ascii?Q?NAEoX0aUDu8dImgWZPvxqZAe7U34leondDkm2r9AxIing6moFj2wosm0NLwG?= =?us-ascii?Q?3wy3lZV5hcX0uNNedY3VICNfEbXwuLPCTzHx3NcmRV4IIQagACfFka00HAcf?= =?us-ascii?Q?wG9G06XpST+zEkAzvmn2Ol3FEnbsaKDidn3nnBJhZzzFdwyxtgQI4ayVRlY2?= =?us-ascii?Q?gV7vUZhfiPoAqBicppRr19ZclVBeU8Lztm3GhilblDLKDQ9Rbsd0NGxFTzd7?= =?us-ascii?Q?PZGIyrjhcSNHYdPM4RhuqKQCM1MgcXfhiwbe9VriNd3phPf+xfMa5DE0acvf?= =?us-ascii?Q?ikKAWQnuwvR51LRR+CZYHYFzSO9e9hPM7WbAMrRXaK1Yi9Pj6YFvn3xiOWKI?= =?us-ascii?Q?/CQlbB6Du4rWDYRZxZZyixQJ7DLEDvHMkvpVD8VbVIM1SL1lDwqhaybixNq5?= =?us-ascii?Q?U67g0ZjD2h1N43m0L5HPSWQ9JwYTqxES4wyIPJFBFLWQzzR49VPjisSLVD5A?= =?us-ascii?Q?z6ucV4osh24J6s5kpGgUvF4vNz3Nh/vCvDgzzi9Y52HEHa6ptjmUD7eAnLiH?= =?us-ascii?Q?Wr2TxagmDPu5zUbRT2KURoVT7GJ+QS+ijhkQpVSULdxc8Mck6ibAJUz/amIf?= =?us-ascii?Q?qlbfaauhgSYJiwINjisRcHgB8MTC4lwqKHPfrldNDI9caD3zhX6qm/Jzc3Q1?= =?us-ascii?Q?yhyrd29RdoLJln3Wlc7ZKvj7pNwSDACpCyFEnoCV8kuhdOXxvVlyaxYVBo6u?= =?us-ascii?Q?jANytrsNrDQmOCZhLtCmQL7o5ROwUobvzzi0wjQNeYG/Db9A8i3h1CIuOVru?= =?us-ascii?Q?lz9puSTmihAqzg3MQSDd7u6etTQh1RSvonSbULPUht434DsrYcYIi4jTgDPr?= =?us-ascii?Q?1masNvoA260Mtmh5bJ/P7w2QiSmKuqwPHeuU1DvR+qclgQPSOt/b41uQm7fE?= =?us-ascii?Q?DQ8Xz20Y8RnAS7WM/YjIfAVDtv4utbF2Cxnme/KwxyCltyMaSUA7L57qXTlb?= =?us-ascii?Q?hvcZsjWpY/u1XhO6hzHj7yAPI74JWsFMwcz5UKV0OS3tc+WjvhlsAGqy56m5?= =?us-ascii?Q?8Hoarz+AXC0hBGSqt3uRt8peA159DTP1/Jk9J2HwS8hYMq93ByLk2VevXBQe?= =?us-ascii?Q?BJZwFAJrVAMtA3yLMwes2Bfls2qAqCl1rpCcqo9dbyE3W7XtsCC6zYbHvlYe?= =?us-ascii?Q?vEiuK5WRFstHyuOBmEiBXVPtOiHO3bSjo0+rOdoHju4YkspzIU30OfH1slAd?= =?us-ascii?Q?R9j/AJ+laLc99Fx9KYr5Ej2dySkALaV1vvtgj5pqWknoXPCJ2lAc5PHSuqUa?= =?us-ascii?Q?nSGMc7A=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ0PR10MB5613.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Hlwed0dZyvJN5o1RDzg3jc2ggMtzdmrLiIThu3yOpA1YMQntDiIRoAxofw7Q?= =?us-ascii?Q?R9yiHgO6SUhOctDyzMSBqNPGQbWShr/jNHn0bfRxEjm9Jlu2/ZKy5RbYZK8y?= =?us-ascii?Q?GhVgEgpS++GZlEc58/YO8GVWt5hv/CYC/mVIfIZs6H+EepC+4tzXol8Evn9C?= =?us-ascii?Q?RQnx6SFemvvkSgVF0rMES9i1fN+6dkG2RGNm8xvfHErc83KfpAnAJE19lP9L?= =?us-ascii?Q?BUCmLW4ntu/suLrncsV02QLt+MTTdcPryWo6GSkemgQ8SSvGnuIu1vxzL7j8?= =?us-ascii?Q?divtKu/dExTsVsVm7+4H9vLndV5lf5Mj7aOcUhtsUqZy/HTDheO01P++YHB/?= =?us-ascii?Q?xL38ao9mc4kIRZ2YjMoOuCY57taJm3TrAgV74J0OvYceDwB8B/AfSBElvEp8?= =?us-ascii?Q?szN7OQHRh/oN40BtwLVEl4xeMtsKHC9l9wJ8akSiDCSfRjF2i3CskV0LVK+n?= =?us-ascii?Q?7GbeBdlhmGTPVrVdqBzPzGVFW3WVcU+mM09QJtvpXqvG4B/UmJTzbHoDFOzf?= =?us-ascii?Q?TTsAlWvELKYTAnit5CI9my+lS5CydW7ftapr9sGIEbfJCMCspXOsNYZGM/Ln?= =?us-ascii?Q?8o/YNUusjC9r/fDcpkocsRegJaqPAuJAkx5ysBAIMs+0sMrTJihL8G+m7B1d?= =?us-ascii?Q?k64Tv8MRllpZpq4DbZ9JhIEq5G2+Qtam/0UCckt7n2PB9WUb6kxu2WiMwrN1?= =?us-ascii?Q?k0QmCbFHTVbwCr6OmXxTI2w9llJYJJfjQRbIN7lgIvNT1yWWEL0uVYV1GxgF?= =?us-ascii?Q?IU8x9BMe+EUxTvpvfz3/5RltAjR8bylc/xNUzHKVbyzJOfjbhRdeje6X7Ji6?= =?us-ascii?Q?eIs2xGCBaKEP32G6EevcItqgZkFyeEq1wgLY58Ekk9AxOOcz3AsGPl51PhIO?= =?us-ascii?Q?ZZ5q6aucMGmEJ666YoUG7xxtK+PgkCx20zYMjvPRaOpNJUXWWau/rXfLkWef?= =?us-ascii?Q?5qO43Ad/Md9622VbcGEynkJt3EoQpH7RdxdDPRnjb5aKzopybepO3YmekhIH?= =?us-ascii?Q?Er5SSB4jQuh+z/4g5gdFMh18r29igh1x6NYeMeOIsDyn7d0BFwMbS8jkPjJJ?= =?us-ascii?Q?m51EZYVLn3D/myNNi10l3Nn4usGAGd6PLzUWwnXPXxtYQs3ijwRZYD9uMWl4?= =?us-ascii?Q?rYoTD0ZjTw5U4kskSc6Lff+B5WPECav58QBBVCs+XDwbDBQXva+J+aj2ZwBI?= =?us-ascii?Q?nWmyr1Oru6bKGhvJb9XPpvwNRGXUIj70GcCAH2Rf0G88K1UpPHiVlhTX+fPW?= =?us-ascii?Q?XnU1o7M+61skThAfQct/jnAB052r+/Ywwe7lMmzWDpam1HmmAXIYRyoHz+rw?= =?us-ascii?Q?0/uMxD/7wwcGkxvsj79BEwRWf5iihTmEwaAHy/YIAv96lGuUZN+zXtHUxkSb?= =?us-ascii?Q?hmzECnbk0yuaYAx4uJT5q9BmeSdy1+y7XA9TdO92+ctNjaB85OUSMqYPI0BJ?= =?us-ascii?Q?x9YCF/A29cSfqSQwbChtT85DWVjZ4Nkh47N19kDGWYPML+kYQ+SIbhB/LqlJ?= =?us-ascii?Q?sOuYdOiOD+2PNMZQoDaaCKMXH/881FPraunpuOFmgHq3RujXp+r7kHoNTWfO?= =?us-ascii?Q?dtpm1KU+RK20jnFalag5TJIMRzQO7E1WFbnyd0sC5ci8WsRIez/JGtIgrM6d?= =?us-ascii?Q?+Q=3D=3D?= 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: 4f309735-1e03-4c38-682d-08dce2047987 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR10MB5613.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Oct 2024 10:33:22.7199 (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: O/1chkV5qh74+9xKh5vDW3oH1sQ6Jwq75wA1PbDgi0Jg9cI4ReyIxXM4keJ+S9O7Vi64EaPdPXGEIijC42HuwOY82sECfhe/WV1zp1jEs1g= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR10MB6634 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-01_07,2024-09-30_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 spamscore=0 suspectscore=0 bulkscore=0 malwarescore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2408220000 definitions=main-2410010068 X-Proofpoint-ORIG-GUID: V1ZvHF2-lS9rg0OlGCxtk52FVIVWN82V X-Proofpoint-GUID: V1ZvHF2-lS9rg0OlGCxtk52FVIVWN82V X-Rspamd-Queue-Id: 496CF1C0010 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: j99arjcodc8auy3g7tis6issh56f4uep X-HE-Tag: 1727778807-997024 X-HE-Meta: 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 CjMQ/R56 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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 Tue, Oct 01, 2024 at 12:22:35PM GMT, Bert Karwatzki wrote: > Am Dienstag, dem 01.10.2024 um 11:02 +0100 schrieb Lorenzo Stoakes: > > On Tue, Oct 01, 2024 at 11:57:02AM GMT, Bert Karwatzki wrote: > > > Am Dienstag, dem 01.10.2024 um 10:49 +0100 schrieb Lorenzo Stoakes: > > > > On Tue, Oct 01, 2024 at 10:20:02AM GMT, Lorenzo Stoakes wrote: > > > > > On Tue, Oct 01, 2024 at 11:10:55AM GMT, Bert Karwatzki wrote: > > > > > > It seems that the maple tree broke down, here's the result of the run with > > > > > > CONFIG_DEBUG_MAPLETREE=y in all it's g(l)ory. (Here I didn't need to try to > > > > > > kill > > > > > > the processes to get an error and soon after the error occured everything > > > > > > stopped working so I had to reboot via powerbutton.) > > > > > > > > > > > > Bert Karwatzki > > > > > > > > > > Yike thanks very much! > > > > > > > > > > If it's at all possible for you to confirm this happens on Linus's tree > > > > > just to be super super sure (again I totally expect this) then that'd be > > > > > amazing. > > > > > > > > > > I ask because we have another thread which bisected a problem to this > > > > > commit which we didn't think was the cause and seemed actually to be the > > > > > result of something else fiddling around with things it shouldn't so just > > > > > want to entirely rule that out (a fix was applied to Linus's tree for > > > > > that). > > > > > > > > > > [snip for snaity] > > > > > > > > OK so looking at the output it looks very much like your report is > > > > unfortunate truncated... > > > > > > > > There is a 'BUG at mas_validate_limits:7523 (1)' report but immediately > > > > prior to this there should be a line containing data formatted to "node%p: > > > > data_end %u != the last slot offset %u". > > > > > > Actually one can just grab the report from /var/log/kern.log after a reboot, I > > > just forgot to copy that line, here it is for the old report: > > > > Well depends on distro etc. I suspect systemd systems probably store too but I > > like to go with the 'easy' or at least straightforward option :P thanks though! > > :) > > Distro is debian sid, last updated 20240929. Thanks! > > > > > > > [ T4598] node00000000f48524f2: data_end 9 != the last slot offset 8 > > > > > > and here's the error report from next-20241001: > > > > > > > Can you confirm that's definitely the first line in any bug report in dmesg from > > boot? As after the first the tree is likely to get more corrupt and later > > reports are just not going to be that useful. > > > > Could you upload the full dmesg somewhere and give a link? Or send it > > direct to me at lorenzo.stoakes@oracle.com? As pasting whole thing on list > > might cause lore to sick up a bit. Possibly... > > > > Thanks! > > > > [snip] > > I used bugzilla.kernel.org as a pastebin, here are both full dmesg logs: > https://bugzilla.kernel.org/show_bug.cgi?id=219338 Perfect. OK so what is less perfect is this looks very genuine and present in rc1 so yeah. Thanks so much for helping out here - I may ask you to try some patches if that's ok at some point? Cheers, Lorenzo > > Bert Karwatzki > >