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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 44473CCD193 for ; Mon, 20 Oct 2025 11:33:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 62A868E000C; Mon, 20 Oct 2025 07:33:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 602548E0002; Mon, 20 Oct 2025 07:33:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4F1508E000C; Mon, 20 Oct 2025 07:33:01 -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 3B0F18E0002 for ; Mon, 20 Oct 2025 07:33:01 -0400 (EDT) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id CF74683311 for ; Mon, 20 Oct 2025 11:33:00 +0000 (UTC) X-FDA: 84018280920.10.40C97E0 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf27.hostedemail.com (Postfix) with ESMTP id 7A49240004 for ; Mon, 20 Oct 2025 11:32:57 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=mpzWDXpu; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=kGzqPqL+; spf=pass (imf27.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@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=1760959977; 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=gPP1v5GndP5FXb13HOdbN1a5CDv2g0Eh88b9fz/P8N4=; b=ceXx1YfrSWd7AKJ41oHt5AYP8zHHhfTppZawulrBKYN6aYoA3jbd0qYi/AOW/POPJ8pTSo LrArF8ee3qWL6oS73g97KukGTpLi97W/Rcmn8pXW39PZBKW6QmJKKI8Jz03sytNL+5LF9a g2pDsEmeWVxM8JZavY7Ue0b3Bgdq25E= ARC-Authentication-Results: i=2; imf27.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=mpzWDXpu; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=kGzqPqL+; spf=pass (imf27.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@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=1760959977; a=rsa-sha256; cv=pass; b=j3T8f64iUjVQvVxeBoxA79dPtHDh2j1rQcltJcxuRTkIlBreuVXMXGjXH48xAD/QoaF0WS AH3CuIeytW0116YRhz0QQ070pJAaORuy/K8NngQw1mHa4u6ZfOq3cQVmxAUCR3TYiGlAp+ jeLhs7HydeAS98ctzmyzwpuyCDRVXv0= Received: from pps.filterd (m0333520.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 59K8SNDZ028368; Mon, 20 Oct 2025 11:32:33 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=gPP1v5GndP5FXb13HO dbN1a5CDv2g0Eh88b9fz/P8N4=; b=mpzWDXpup9Vmyn8i+FpVganM66aLnnnFZV 7KpzwtxABf8oQy9O8mrKMe1c4SmqU13oPatKgmw7EMan3K2CsZh6yZjZnY68HQz3 lzTZRkqrhlniXQor672GBXciqGwMonRBqigrPZNI1qSM60ym+qGuGCVv2+sk91+/ yQBl1NmCrt9ZXDvmIbK8a897jD1o+/eZRAi0JXK9pQaaLysIymuAniz5Rkl4bZNF KWxTE8o+q3mZsMN5G9pWgeYn1hylQOvSiVh6HIqAttn4fb9rakRvZZtAlyBfAPd6 KvEtvMg8CSa1PF72VoI7Q4Lz9M8V7K045nnU5J+KtQdJ8tKHxRQQ== Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.appoci.oracle.com [130.35.103.27]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 49v2ypt40y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 20 Oct 2025 11:32:33 +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 59KApiaO009393; Mon, 20 Oct 2025 11:32:32 GMT Received: from bl2pr02cu003.outbound.protection.outlook.com (mail-eastusazon11011017.outbound.protection.outlook.com [52.101.52.17]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 49v1bbuecj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 20 Oct 2025 11:32:32 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=nVjORM+vCY3P4oOMnfLjC8slFhK5t1WVEVTYdZ+XyRAzmJdEsS90PbqsRkl00qgwkud2SQ4xZ9mPDMeGVZvlX/eORPyZpF0K+58kAG7w6kflT6BL89zTQfBMrgnIVwLfUKNoRRMe+CU9dXoW4stcnDBoBjf56hV0iH3+xtHhmpn/d4+E6dNjLxP3KPRh17++DNyA4WehPxk09GxR7TDLhpVx1Fx4d8B7nwBAxknO3RSWwBQlR2A2d1cHp9teRm2eEZqTsgM/Mc9jwdwlptW9f5YURUl63we7SgA9Fmj+2hXtgKC80aa2LIQ2A8gdQJzBu7RJ3KxvS34HOz4F3nycgw== 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=gPP1v5GndP5FXb13HOdbN1a5CDv2g0Eh88b9fz/P8N4=; b=hLtEor9cNSInVT4sr6dcAOx+LLK/49I7S5AHognb7rT2O+46hBjK1tkgHpO48ODhPiOhZGTIxfqXM7NWcggO28l4kc5bdobyy+tkH2ehYXQmB/AvWksvcQNhfofsfwcoCu1/1pc3DncpkN7sp7c/VSkgfW6f5VtOI7e7BKPy3bAn/iUNEg0mBfuYyYfCgOvaCkZDPwx5A94aOcH7dGiHqq+JP4rqlJCRHKbqBGvo1yCV98Y1bcATXnIyzJo5hUeG7GjcKJLLsZEyY6QHXmWZCdulyQrFvLkH553DcbDxrNAfGiPABb+KqnEweXouYLnFiCLcqkXRUucJbuSzUtUrEA== 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=gPP1v5GndP5FXb13HOdbN1a5CDv2g0Eh88b9fz/P8N4=; b=kGzqPqL+tzAEfKa/8j4HFnz0jMZpvN2HalDqI4Sl2rPAnqqRxV6K869W3ho7iHEvyznzSi6rV7cvFKmEA729KgjEa0WpXPxxwyuBPJUall3FcZVsc+ma8nFaDZL8QICEEEYhD6JW+nPE/S6mRPIyn0LGV5NZcnVcrpXmMhijplA= Received: from DM4PR10MB8218.namprd10.prod.outlook.com (2603:10b6:8:1cc::16) by BL3PR10MB6089.namprd10.prod.outlook.com (2603:10b6:208:3b5::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9228.16; Mon, 20 Oct 2025 11:32:28 +0000 Received: from DM4PR10MB8218.namprd10.prod.outlook.com ([fe80::2650:55cf:2816:5f2]) by DM4PR10MB8218.namprd10.prod.outlook.com ([fe80::2650:55cf:2816:5f2%2]) with mapi id 15.20.9228.016; Mon, 20 Oct 2025 11:32:28 +0000 Date: Mon, 20 Oct 2025 12:32:24 +0100 From: Lorenzo Stoakes To: Kalesh Singh Cc: Hugh Dickins , akpm@linux-foundation.org, minchan@kernel.org, david@redhat.com, Liam.Howlett@oracle.com, rppt@kernel.org, pfalcato@suse.de, kernel-team@android.com, android-mm@google.com, stable@vger.kernel.org, SeongJae Park , Alexander Viro , Christian Brauner , Jan Kara , Kees Cook , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Jann Horn , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Valentin Schneider , Shuah Khan , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v3 1/5] mm: fix off-by-one error in VMA count limit checks Message-ID: References: <20251013235259.589015-1-kaleshsingh@google.com> <20251013235259.589015-2-kaleshsingh@google.com> <144f3ee6-1a5f-57fc-d5f8-5ce54a3ac139@google.com> <098b030b-9d5a-4b1c-ab44-55bad474e70f@lucifer.local> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: LO4P265CA0200.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:318::15) To BL4PR10MB8229.namprd10.prod.outlook.com (2603:10b6:208:4e6::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR10MB8218:EE_|BL3PR10MB6089:EE_ X-MS-Office365-Filtering-Correlation-Id: 333c2dc0-0eb0-4ddc-c25b-08de0fcc595b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?bLMivoWMTiQYYWBzN3FLxh0+XdrkpY8tUt1NMknz2YqCwI+2VPNUOLUQn3Be?= =?us-ascii?Q?FpuEEdqGXtfDHMyxbqxQNx50izJZhPKHQxjeot+irfVHX0eSEdIiASDD85+W?= =?us-ascii?Q?ptlPM22Yo0AWk8Ro9U8ymSr66zP4wFnLa16aTZ0wL1D/7XWUmRK27PSu9RwA?= =?us-ascii?Q?vbwZ9wm4Og1zGY+qJ/PNjt9DLhI88LitkdvezPpVwEgSbwHaV9tplmbo24Sd?= =?us-ascii?Q?hXeMEqJsYSidDDsOJfRKp96wHzneofAolyNjlI3jjYIG7ovVAi5jh6GZLzQt?= =?us-ascii?Q?r759XzY71m19piGHq3FVUETm51j2L5HO791twO++SXBEYf8lc7AxVZkynUXS?= =?us-ascii?Q?KViEwK3hgCPGolWf6xNJI3iZmVUTJ9Y7412dd2a+hpRSiBAJCu9QRS4hviRt?= =?us-ascii?Q?1+CA6ilWWGhwa9u2eFkONAFJ6ICmVxKIp6Wf8uYp5BF/+8e/VwONvGjOkU9b?= =?us-ascii?Q?DRnAQGMXnJezGNypmMKE+iBYPSvZrY76xy6uB9sicenNXBxJlOPiG1MOPbu1?= =?us-ascii?Q?OJ7WMa8NDxxd4FUXVYClIZWN6dyxiY2vHQGkQI6j4zS7er5Hhir/uK0+u9ci?= =?us-ascii?Q?CuG13da6a56q3REfCCkdySykabsZqD0/gDkgt2sstn0yY/wRHz0FyWQOM3uR?= =?us-ascii?Q?Dgj4WtGAsyRRinU5Eik34GY/64iIbxyDdjNV+sxcw9ftaM2dYovZ0czMR6MZ?= =?us-ascii?Q?BuyiFrzn0M6F/NuIvck2ueD+TCQFEOmZOJHNWhV3+/R32W3/iSwJP5+gcp7o?= =?us-ascii?Q?0U0S6RaYRKOYqwSmZQdmnkGw5cyEK3ifGT2zBsraJEMElOBR2ykTHRWr7rPb?= =?us-ascii?Q?bVEYDP+vl5R8aIRGgt8QlhT7+QxBXSJ4+g2aCENXO+E+6/2vFTo2juNs2Gem?= =?us-ascii?Q?+fU7aL9WgT3YkhneUJpn/nO2Gblqa0lnrZF36aX9/9WKgqYyWFopjVY3BizO?= =?us-ascii?Q?+cU+xC6XYFkD7rfb3S2EbW7d390PwCz6zwlIjGl+p67w7NrTu9Ed5laVVqva?= =?us-ascii?Q?4/Ct2x5LdDmtJdtG+QRqe/wMQ2D3euwPa775pV543qlLq+H7q1TADqotvmsv?= =?us-ascii?Q?9V6UhU/7MDBZtR+6ORPVKZ8Wj+9Oi7ap+rozAW9m97cAN6lQBd9c3mVbVVuj?= =?us-ascii?Q?DmfVtUC7gAaVpAZ9fkbuFHaeMjGYfEj7Z2y1rUqppezlHyMdDVM9VLQeXEZl?= =?us-ascii?Q?oU8xNnpe/glkz7Ut436x6ef3YEEVv6vFgVykSFtKFe2fFQgv+XfzYKInmejR?= =?us-ascii?Q?huLCrb4vexrfm7DUlpSJ9JrKkNPJlhq1I6sHjv3dEeTw4uW0MfvPV1QKlClG?= =?us-ascii?Q?KIpejiC7lPkV3r6xIcT3KXQ9uFZbvGRHPStPybAy7Lbl9k0Y3ZeyH7JNm5Dt?= =?us-ascii?Q?wvRRjs42bsWGBKyN/4A+VZxDVUw5UUd8HTmM/45mFvsBMBoCCXIHins9Imdb?= =?us-ascii?Q?f4LfjkH80/QfzMaf4WGHWxgntVO/Ivc2?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM4PR10MB8218.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(7416014)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?rbtXr7w6JJkr+NG/uH6PaRup+JijAX8TTLF4SiEMlQZNdf5+f/xMQb83umbZ?= =?us-ascii?Q?JDnJNDHwIpCDWmxWRC2aZwB0sNU1XKt9qAGMtNBzxFb9bY7Vg90iUBoJfwd9?= =?us-ascii?Q?OeemhedaL0JoQUK2Q6OEazJeyUprPOsdHM4uqNWLGDHoP5w1Nu+gloMCnknR?= =?us-ascii?Q?3w+IGpNdiac2vRMcU0vbL+xsk9kY/P+y/EGnyQSJzVWSyhxgXW7N7goqawTI?= =?us-ascii?Q?EEZxchiKKTlq1vx7hnibDTbyJF1W0HkJNm0G+5ggA5tDI1Wu8W/spgs/IQyM?= =?us-ascii?Q?5ciQAZ9nEUE3bsoWV3FWVDMdyozh1r2eFN52O3S4T0g+9qAxbEueg6KXXmx7?= =?us-ascii?Q?iskOiou/tWF/bKjJwMc2n6RjJivqvIYxsUiGCqSpRyhVRGzqnhxnGxNv8An4?= =?us-ascii?Q?54PWnJYlj8B9UmDqCqUFseii6GiWzrMisd4wJZRHuYFjjk/mNpmY1p2NQGjl?= =?us-ascii?Q?qp3pzX7QOaBxWNjIThqJdlbbtAY3JbAC9nVa/5cpvO4X8548zOnp9N14JceI?= =?us-ascii?Q?eMjZqWs7hwhlMFAP+lqtwYESXg7hYmJh+V8QKko9k4PDJmBvzuoDF+yOax5w?= =?us-ascii?Q?o6OpiGK7Bx+vcUefnL7f2Q880ogTHVRBsnrEwzZF8Wka87ekpmbJnL4cugkA?= =?us-ascii?Q?xImuFQZopB8sYZqN1r32KP8wm9zOxPhfB0tVwE+vx1k943qxKtduXiRHB9Od?= =?us-ascii?Q?zzHzMwgvp+Ejz+thqoI5U5+2far1UW/siPIksb5YGSwXAlqlsla2Ox8518WE?= =?us-ascii?Q?6cFDh/BpdAS3+g4OtxPwht102rOnOYK0Ml1w+ZLWTRWhiupKwcwsehZawwMf?= =?us-ascii?Q?Ov8GytQovSlfEwZ9dH3e+m8HlVmIj990nlKPuwEse8aGwC+248aaFocDfzut?= =?us-ascii?Q?PQ7VYL7D+IyOlO4qn2Llv3fxAQuwS63+Bao2jYGjDMojtJco2Hx2+Ch38Y/H?= =?us-ascii?Q?ct3EeBqhVhC4wfUuAxHIRj3KSOK/wz6RDOmqgoATrw3uP0o76FB2I2PhcN93?= =?us-ascii?Q?nJ+YSvLNdrXV2x89Jk7UeAe36iAGEDHNCe9VPK6GRoCHoogFhBG6fryIdzaB?= =?us-ascii?Q?rVElpWdPl5/PAAix3f9uw4jfGkEVRW/0KYgRXkexa6F6dLcIIXOQTwC0wLZU?= =?us-ascii?Q?snkjifmzsU5057YJ/oYsegrzf7gZu5y/99X0Rw51riiv1rM8N0F5//GRtAaA?= =?us-ascii?Q?mGSGq4ly3Fi31HuLct7V7PhwLH40YhsjB63CZdrLZFSaBeBOxH3cS1YyKpV4?= =?us-ascii?Q?n06TB1VhSI9BBpaUgDNEQQZfA0dIk8ifHvciFG60DpaBlousLrvdF/ZHG8J2?= =?us-ascii?Q?TF+DkfaAdg6Olxz/Zpp/3m+0mNwmmkATGokrLLSnVBWNU76Ox9HVfl6yspVD?= =?us-ascii?Q?q7P62mOSiKH0QQ83r2ubfYg+p489oEHgYoUz1kH1KuCIeJWIQY8ge0N5bGiw?= =?us-ascii?Q?ltBgcWN+Nfu/e45tdgHJOiC6Ia9uNT5kGfsYD5aUuAHhQqUiFrZvmoUel78X?= =?us-ascii?Q?uXC/c3V6NaxSpsZ5VP5AHu0bDFnMkypLiH2Qw8QQw3GUAVNSlCiCqCxHW7P1?= =?us-ascii?Q?msyRfx9WIADXga2JXWPAj4+s5vnAhzvyotoWsjPNWWSs44KwX60j+aFL/MtM?= =?us-ascii?Q?iQ=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: 333c2dc0-0eb0-4ddc-c25b-08de0fcc595b X-MS-Exchange-CrossTenant-AuthSource: BL4PR10MB8229.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Oct 2025 11:32:28.5547 (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: KHXTkn0ozv1AkLQQDzkUSzuqXjtZk5tc7oyx05Ee2ZH806TrFEQGO5et8reG0kvMipQglpXirW62byL0h94vaDWs9beWbHngShHy1oK0q/U= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR10MB6089 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-20_02,2025-10-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 mlxlogscore=994 bulkscore=0 malwarescore=0 mlxscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2510020000 definitions=main-2510200093 X-Proofpoint-GUID: do0ObVzZmvnyey1Z5fRPSkWg_MGuPuHO X-Proofpoint-ORIG-GUID: do0ObVzZmvnyey1Z5fRPSkWg_MGuPuHO X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDE4MDAyMyBTYWx0ZWRfX3TvQZ5Wc6p6L 4FGzFZprvjTDMxal0nRxoN/yPNT00LN89n/XkSFgYw/4IdfrHfkXG0H9PWjr6rrSJNirFrni/RZ Bvhz1EwOrHdT2zSytMT7NCdXxTuMiPTN8ecOx3IT4Nmj9/xEFrXDcyNnnp4Lazped8dLf9LPPqx areZs0DXji5dPSsLmjDUFNCWM/Moe0DzIxw6Y2jegrDX2v4hd9cT+jdbicoRXiHqi7UO/9xwMEh nfJXd3dqgHQBpc6B5qW1pW5z3n69NwnpfmP4jpAi4GKnMFV4KQYfw2uOF03cX3w+qXziF5WNSfd jkByxDNYxGUixQZ/g5e9OpTED72I/y5MULPiaGnoqvCqPGeAtEm3zAcRKsqeAqfs1W8MOsxA4Ez Gxe0s9JcxJXOBc1olIY4fSKtkZP/kBt4BOGZN/CP9IT7iKVD4Js= X-Authority-Analysis: v=2.4 cv=Nu7cssdJ c=1 sm=1 tr=0 ts=68f61dd1 b=1 cx=c_pps a=qoll8+KPOyaMroiJ2sR5sw==:117 a=qoll8+KPOyaMroiJ2sR5sw==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=x6icFKpwvdMA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=TZoiOLDRoPF9d9RrMksA:9 a=CjuIK1q_8ugA:10 cc=ntf awl=host:12092 X-Stat-Signature: 98qndonfkedfhnwqxa3wea5wiqrfubgu X-Rspamd-Queue-Id: 7A49240004 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1760959977-691939 X-HE-Meta: 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 FLZRlQhr sYhDSj+Ck3s2JSY9AoJpKh1cO9CdRyley0KtWzGLSQEOLHmU2aVieWPp5IAxD74GrPU/soTmPXK5K5e9DVfarF3y/w65KyvVErEVtgrv7bqTthyMKFKQX0LUDBcvSpSye9Mqdaljs63OGdn8KJIrX/0s6GrrQd9LPePbA7urY1dq5Jsg9r+SNu/9z1r+Ae6K6iPujKafo9nRGtFVUA80eKHh49zppsutLRWBRxPhrujdKjvR5oncfPpm2INtGH6J9SUimT2nMulD1+MaKM5uJtkvL+3s5dj1Fhci55+6ee2vVzhMNIlSNLDRRZRNjburyIKRpGi4PZvqR1lZKOTHdYbC4TfDyM7iH928igRD9DD8s1+ZUPVp6YlEmRHpoNocyoZPCBqzolmeERDEcjBlW1EPLfSQQP03Mpel50Q/Nj/yYWuCt5dSO1Ou9FccuA2M5M3DOOocntwUXLukokaP03Qjz/Dk4ohZ+esF2vbT61yyuAHK+Q3SIIwJVzRAS+rDJAGI05T1je9ZAOeQFPVONWLQkj6U7Ngh+QkMxM5xNd/DMBd2d5sF7kCHVqaiIFwyjX836wH+dd77TN5XiPnUf/S2MjYHefjZJ7VRjgXDK1/Q9frL+9s5wKQzfgg== 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 Fri, Oct 17, 2025 at 02:41:00PM -0700, Kalesh Singh wrote: > > Hi all, > > Thanks, Lorenzo, for the feedback and support. > > The consensus from the discussion appears to be: > > - Drop this patch keeping the existing check lenient, but make it more > obvious and clear that this is the intended behavior. > - Keep the vma_count_remaining() or another helper and abstracts away > the direct use of the global sysctl_max_map_count. > - Keep the rename of map_count to vma_count > - Keep the selftest and tracepoint patches, which are important for > documenting the behavior and providing observability. > > If there are no objections, I'll plan to send out a new version of the series. > > Thanks, > Kalesh > Ack, sounds good!