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 CE2F5D31A09 for ; Wed, 14 Jan 2026 04:56:36 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0ACF96B0089; Tue, 13 Jan 2026 23:56:36 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 084EF6B008C; Tue, 13 Jan 2026 23:56:36 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EA83B6B0092; Tue, 13 Jan 2026 23:56:35 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id D88E76B0089 for ; Tue, 13 Jan 2026 23:56:35 -0500 (EST) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 66D13160342 for ; Wed, 14 Jan 2026 04:56:35 +0000 (UTC) X-FDA: 84329358750.26.025465B Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf03.hostedemail.com (Postfix) with ESMTP id 0750120007 for ; Wed, 14 Jan 2026 04:56:31 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=BobCP4eT; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=D+9ZvI3S; spf=pass (imf03.hostedemail.com: domain of harry.yoo@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=harry.yoo@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=1768366592; 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=3/RTBrbaKeEwYDH/4MeKnnwSSPOM/dUfy4keA9S4lAg=; b=DaRd3+MTgidFAbyvxHcFmQzmy7zKyHGz+aVfBsjSiM9ThBo24nSdLQJHO2PAkrnyBrakT6 XKmOZSpJOh7bYUQ2ZIN40wagYO2jx8sOSj2yqeR24fGs9uNDlSFCk9Q96x/LegC5UD6Kih Rq+NILV4pn1RwP1wUniZAZApso79a3g= ARC-Authentication-Results: i=2; imf03.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=BobCP4eT; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=D+9ZvI3S; spf=pass (imf03.hostedemail.com: domain of harry.yoo@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=harry.yoo@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=1768366592; a=rsa-sha256; cv=pass; b=M8AlQCxDB3alrlA0sTBncQY8JuR23bGwlZHJQfc+LWcqXq6dvtSD19432tSAQcB3sQXV3k zph0pr9n8+nsK26sYy5W5dWkWj8EurpUcdvm6IHxdmqhQg94Rg07HgeQMLBw352Q/+EISK TKCGmGUCLiIW+SkaPbSLBGxtqEHLOp4= Received: from pps.filterd (m0333520.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 60DGDcCg3333478; Wed, 14 Jan 2026 04:56:24 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=3/RTBrbaKeEwYDH/4M eKnnwSSPOM/dUfy4keA9S4lAg=; b=BobCP4eTAOlhuUDPA2lVsDeVD3xX10pFU6 NdK/3TPyBxCL7EBstxrDnnbe10AdYCM11iPxFTiZC6jAkw5S4A/frjIhttSMAwYq LIWDkgwEl/oPAHHNHBw2dJgf8FUAanQfc4xMmXrO1QPESq0rPfdplacLz63ZLkHy IuYBMVyftfpYnICrTacAgKXvydE3JngWpctGZUdM2RCCy9848tpVoKN8DdZX4UaD HxFEhHRIDI2VnnxvM6qWJ9/bQPU1mSXfq0Rj7elfr03Zj+jkVgQglZPRDrTQkuxR QlKNspoN9za71DKZ8YQyoGvjYop2HiuWyRL80L+EsyaIDnQziz1w== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 4bkrp8mpkv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 14 Jan 2026 04:56:24 +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 60E2SQQ3004635; Wed, 14 Jan 2026 04:56:23 GMT Received: from dm5pr21cu001.outbound.protection.outlook.com (mail-centralusazon11011015.outbound.protection.outlook.com [52.101.62.15]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 4bkd79jcr2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 14 Jan 2026 04:56:23 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=KI8UmTwBs8xEwIZNFXGrcc47Ymj+aPZLsAJ0DLJL3PAbloDXmSCWlXvee//+iYNuxGWAdmkA9dQ9VDOAGsHvk8P5p+DS0dsaMjqEMQpU15eGSJoKQvuFkhIjXSBwKqE4/b+WwVvhWwJxLCp55O/N+89P3QfVNebV79VeOveZEgv565yqkkKcX65R6qugcEpgSbYm7uKVpHygE6ixEceuY2HwaC2b0T0NarM3Y6qpfEfLO2ZHGLBiaQQSBgF6j7WU0RdKOPa8b2JpWBqToGRWKaR+QQJOABo8BEG9XCitj+1+JcFxXvX0raYItWuyALotUts8Ko26/ra940KLG5aZXA== 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=3/RTBrbaKeEwYDH/4MeKnnwSSPOM/dUfy4keA9S4lAg=; b=KpjgDuzApqTlof3qjTU/sGhkEBdtapf+Fg7ZVwxk13AgNV5sPiDQNzrk0HO0mx+dkKh5J4n7ifRP/dXRM+hiCxNYs8K4rN74WKRNUWgNxmGb4bTeM37gdC8ATjCRPziggbejeOEJ2BTnRBzlRM1HoLuu7sRPi6u8X1kLrE/TMN9A1ngfMwmrFi+Z8EQ2REj44a0e4KzQVyH5+wwQ+PpY9GU5hyvvPGZIRsJKtRkPqAo+mgAJDXPFaxL2NFQyJnhFQDq/z2eD/PBTIjktRiCF6ahUybGHX8Mp3Fq/MSC6C/abOM/kayZA9uKEHAMgp52PorfCAMF7CmXm8Fv3pHJtZg== 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=3/RTBrbaKeEwYDH/4MeKnnwSSPOM/dUfy4keA9S4lAg=; b=D+9ZvI3SJpG+Hb6cbjaGAT0R6oL90IEQ1HkMEXsvA2cz+dDnH/EDzBb+VPSu7YvkxH92zNTBLaMf+YolCSDWvBjRYB0dmwV4c8Ht/yKZQqK5kkSrL04ewQU8udCS6JgiZyiLgGAr53fUyoEypA6x6EOOt54UXPECkDTFtVRT1wU= Received: from CH3PR10MB7329.namprd10.prod.outlook.com (2603:10b6:610:12c::16) by CY8PR10MB7218.namprd10.prod.outlook.com (2603:10b6:930:76::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9499.7; Wed, 14 Jan 2026 04:56:20 +0000 Received: from CH3PR10MB7329.namprd10.prod.outlook.com ([fe80::c2a4:fdda:f0c2:6f71]) by CH3PR10MB7329.namprd10.prod.outlook.com ([fe80::c2a4:fdda:f0c2:6f71%7]) with mapi id 15.20.9499.005; Wed, 14 Jan 2026 04:56:20 +0000 Date: Wed, 14 Jan 2026 13:56:12 +0900 From: Harry Yoo To: Vlastimil Babka Cc: Petr Tesarik , Christoph Lameter , David Rientjes , Roman Gushchin , Hao Li , Andrew Morton , Uladzislau Rezki , "Liam R. Howlett" , Suren Baghdasaryan , Sebastian Andrzej Siewior , Alexei Starovoitov , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev, bpf@vger.kernel.org, kasan-dev@googlegroups.com, kernel test robot , stable@vger.kernel.org Subject: Re: [PATCH RFC v2 01/20] mm/slab: add rcu_barrier() to kvfree_rcu_barrier_on_cache() Message-ID: References: <20260112-sheaves-for-all-v2-0-98225cfb50cf@suse.cz> <20260112-sheaves-for-all-v2-1-98225cfb50cf@suse.cz> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260112-sheaves-for-all-v2-1-98225cfb50cf@suse.cz> X-ClientProxiedBy: SEWP216CA0141.KORP216.PROD.OUTLOOK.COM (2603:1096:101:2be::8) To CH3PR10MB7329.namprd10.prod.outlook.com (2603:10b6:610:12c::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PR10MB7329:EE_|CY8PR10MB7218:EE_ X-MS-Office365-Filtering-Correlation-Id: e6c8be54-f28a-434f-7fec-08de532941e7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|7416014|366016|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?MB17o+6cdv7IcId4Qo+gtl1pn71OFk+LNnAYQl9yCTaGb0JDNGhNlpmhMG4k?= =?us-ascii?Q?H8PSmbIHhCo8+FMCVLad7t1wuY3hmKnjoIIEBQPzGMkSzBa8nybTLyDgEe2c?= =?us-ascii?Q?yIpdGxvpBCvQa8Aq5LwBnJlJ6yoE20QBFrGTH+u2n9aI6dQ3ByV+UGz/h1te?= =?us-ascii?Q?ycFI0vBJOZfB74J1+W+B6GDmOERk3bpw4WfcYP1TfSK52vVFIlBHTRJQj90R?= =?us-ascii?Q?ce5uxiswo/qWIUycGiVOfXSPuf6CsseRR60vi3eq+77mgjdouBVkyVg8/HPF?= =?us-ascii?Q?DHS5a9MVa7DZdbmA2/JX2118MzoD82yUfpaTC0ku9WbxmCA8XlpyHcI2Kdq3?= =?us-ascii?Q?Zq0y6ZirFDk6rNKSVYnMBaMqtCs7WqE4hf3/tlrXylvvkAtg5oX5Ih5ReYD6?= =?us-ascii?Q?ehHiwl2ILqbB0THFI1fqwI5j0/V4OdbBBmeEuQqGmuHeMxcouM3776ylhRq9?= =?us-ascii?Q?fbt2vmsTG5xRxKdXfo8qwnK68hK68Z/kFARO+BKCCJtMcBtskdD67lp53K9D?= =?us-ascii?Q?jmJjOSf52bqrI9jbq2SUb5BCh/FkDO0oUAcsnmbex8NU0TCuzgW+LsiBeFZ1?= =?us-ascii?Q?PzT1ZmMcQEFprX5Zd7dB5ENOHLEM/MvUb7M5i0EwY8/+a2rykPOJ+bjw5Q/A?= =?us-ascii?Q?YdtI+4GN3xJA/scoK4G/gUt4DYdKP0GrOdyZ8D3vtlsrBLu1ZTit7h8RRNU1?= =?us-ascii?Q?54UoFd4+pW8HMN7iNjGK1Xj4y1u8HCcThLhvkRldYPHLY4Ih+A8qf7JvLmRJ?= =?us-ascii?Q?/eFv1xvtl2pI4xhrQtyJojMd1w+Wx8NIt+Nz5OrzKJN/QGhA0PoTUH5JDVlc?= =?us-ascii?Q?LEioRnqc7w43dLA8HHBvIPXsset/7AAAiTnB+U3yJLBQmvQPsAxNBjW4S8t+?= =?us-ascii?Q?8wZ4uIIl2b6GCazJ3cvf2MMS+2/IdXjSaoHFrnKipWhAP9qmRQbbd7xG3Di5?= =?us-ascii?Q?WEfhwVUBFnJ3uF9P1VzVTobLA8L2hzONJg3hW/dBiHRZ0xJNRpIlxKeTot0m?= =?us-ascii?Q?k/dEzzBiBVgF+COYUXmYb/whhGkOa+qu+fpU0u++a9vf+N0CMGoDbolmyIyl?= =?us-ascii?Q?pI+EwWjWHnf1pqWl6zxl3r9S01OoIN51VULvunX/fN0NLgCQSdZK647l4YuZ?= =?us-ascii?Q?g8cmMYpeXG3wH2RPIw5gs2bGFaVcGQtBlT+YEUeXjgH9ubDsdj9+BmgF/fDR?= =?us-ascii?Q?E2ObD5qrK5Au9awMbQHe81OQaqxZI52X54QbtU2Dc7uUuUUimb4GGH4uRIlz?= =?us-ascii?Q?tjFt9mvOx/5WfRmqOAw+zDV11Iaybv87V4cCQWgg7eJvn90dxNH7Nw/Nd6Yl?= =?us-ascii?Q?Pq+1c8BN5/PpSybPi3fEOBj1AVrXCPH6+/gZuT3iI5GPDMLXw/zWHKN+SJnD?= =?us-ascii?Q?ZsGQ5vQTzxuL6Y97/cISChZAH+8wS1NzceWGcmGEPhzJL3PCxoc9obwP4Hgr?= =?us-ascii?Q?JUU5UvZVuBBAIBkRVd2X/Hbs8ctrysV30WuZ6jwNj408wiU39BvMvg=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)(1800799024)(376014)(7416014)(366016)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?8G/+Dop5jrqA+ELuPyyi9Vg9BblW0WszvrlM61ud9uUWMqo+OmyfR0hs1kzq?= =?us-ascii?Q?tAf9N7YMC7PEYe2sl+vKZHZvjZkY4k1F7qkCcIs+FjSHpWP5UVv+IsDBqCeL?= =?us-ascii?Q?yWQiQbG8Q+KWYWU9/sENM2P84BfY8MHcWApYOzI8PjffF3z9ih6il0/hkkEr?= =?us-ascii?Q?6MJOTvsHdxikoZByXRR/yVvBYQ+LgyK6vQxDsFGQZOQ64ZEgfmUlbLdvS+zW?= =?us-ascii?Q?R8H33SzG3dcmGs3qsLLIk8GG8ud4lpCpzeY2sE4ny8HDIW++RhBIsAZwkrfK?= =?us-ascii?Q?DbGkFGWgwntFqqcha3RKC9Ei4ajHjhvh1f+mN/SPcLZeqkdckf2osXG9tCnI?= =?us-ascii?Q?mxG23EQjoYX4tmv3mxDjJaNeOSWnbua52sxvIM55rmzy9RgfZaTwmaqM6w58?= =?us-ascii?Q?rGCch3OoWEyFYK6mASueLGkHnEfdVMw6/51zumH6uNfUY5vbWBHeLrHUEs39?= =?us-ascii?Q?EWY8QFT49cd3KuTV9IuH+AFt2tO5PZW5v9UgyROOGhv8+agVeJ9gGWmmEso4?= =?us-ascii?Q?tGs8faIGacZYs5grjfTF6IAlX7cuQfJGuhwfAf301/eyCMQ2VVzj0EGoLWcB?= =?us-ascii?Q?qQ/OYyIXD7ikp8vfjr1tiUCUh3eKBF8Zn8Sj5b++Ny4WrMsMFjB7DlBLMBjc?= =?us-ascii?Q?dR+s61mgiJivt1DP5OLviQYikcFJcG1SBrhQg1/ycfZaTK7tPem1PyAt7+8c?= =?us-ascii?Q?VIhnuf2A5FK78dK8pzfhgR/wlVCbzYbIPzBesv7MkfUC7f3aoTFyxiZRYEV6?= =?us-ascii?Q?46KBR1evoIla0EFo3fE5B3UWsFCKGFfxHtTR4v5yueQqHclVIZBTTW98CTwW?= =?us-ascii?Q?iqKUKuJ0j99Btss42zotZWx6Hev5z1aMs28eM/fWCmEXQEbs8gTMF5ttnNGx?= =?us-ascii?Q?cB2B9tHk2e/jx5H2sby3QZkjswIDS7izBrwPtBuJfbzjj8tJak8KmMM4/+4h?= =?us-ascii?Q?oHdIxsU4STLsjYiUQEnmT7VOO7EEILn+FbK6chUZwq4bft3NvIyrGdZTL61w?= =?us-ascii?Q?fvayGrqg6QJXeRrRSeayNx0xC0eGYTCNZeMHPgWWor8jQ3FmwBelDrvkbcIm?= =?us-ascii?Q?grGtmLtNAYp6OUpriJJ9WUEM6UbMl6HYx2Ak5PNNxApUEkhcSkinS5PQ/uqh?= =?us-ascii?Q?WwjBgGjGaHU/fTCEFAxrROnnkHKxRu965RvGXeNIbigpmkQJ/8b2AWVIo6O2?= =?us-ascii?Q?wzvhdAD3EiqztLVE1w7RoGdLTgnSN/BI9SnDK/lIUuONNWNJmHb9fiXlJMU5?= =?us-ascii?Q?cWl/XI/U26m4Ml7B6/q1c08odmzaZwqms21YlO9MBXVuJqCssIzYs8AEN+nC?= =?us-ascii?Q?nmqIyuTTLE+rVHzAs3/v8voiPtO49hYCo9FKguk1JZdkRDCdxdCB1muVlKgs?= =?us-ascii?Q?O0XgG1oFdEkXsijSfkeY6dGOlGWGTooh858C3yL2uh+SonVu3od0aHVab19m?= =?us-ascii?Q?emOphtIEDOB/VCZNftveJmxpopLJ6ccYSM14WvNOPi9u5GZBXMB461//zMA0?= =?us-ascii?Q?L8wA5xudXrdeiQx4j+9Mycu4mM1CFmFtXQqxLX+rPK++JsEQmaxwnhMkMK5Y?= =?us-ascii?Q?q7Om0c6xB50DByRHNuUNfHi5HgYLH1pag3ROBgkX83vS5JQWIThFR8ROeBJM?= =?us-ascii?Q?SBoLFMuKQYKquIoQYNraxUsBvPHRkv1fA6MUEmO+YLCkGAaFFZTvH1wVE/Iv?= =?us-ascii?Q?oUGTWQtQ5C8r7bI9lrkEX7isHv6pIs+zx7tQJ1o5V5fKbFGWRCMwdRuNdOnO?= =?us-ascii?Q?kMGOiahdCg=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: e6c8be54-f28a-434f-7fec-08de532941e7 X-MS-Exchange-CrossTenant-AuthSource: CH3PR10MB7329.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jan 2026 04:56:19.9361 (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: eLGpymObKUVB6rjHlY/Jg0iNY7FEnqFjQ47rt2RkAVZ6/I6DJzVnH1yAcwu3UKH0wTbKlBkqX2Ae0EuRFHfkyw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR10MB7218 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-14_01,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 malwarescore=0 phishscore=0 mlxlogscore=999 adultscore=0 suspectscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2512120000 definitions=main-2601140035 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE0MDAzNSBTYWx0ZWRfX9j5TVR2lW5CO MNJEu2XPgvHdg6u1eJMxlrggmU2mEcoTgC2lglwJfqFvN3AmdEpFxdJFpY1q4kpXfh8CrBmWxgM PV4rcW7zW3W8UVRpoWf7qbPgRo4MdbuiWNckrazWv9WTvMkJIY5w2wd7NQiIMv2DwyzgGX95LXL nIZABoEaPHre+PWvLs5p5na9WaPXRAH+gp35ggmpmZlmxINVnidB5Q+xzYnDZFGPN2tUd3jgj6y BhWjX8kTvzt9ogfxa5vulGjaoYP/ejbjTYtEkFDdukNNMFXm6l5zU/Ka/zhJ6tGIKicJHPPbwA9 V473mhCOCgcP7Oj3TAhfbEuQrXmi8gmKwU9TB7u+TzqNcRbxNCO8afJaeCsnIDu5D8XSBDvh5El bS/2BUS4mrKN7T5NcntKt5WOUAA3II4/UAd9gflXCV2/gFdDKRd/rYC5udYkhyn9OeqzlZF/TZN +6zE6MeqyIGLf5CvW4Q== X-Authority-Analysis: v=2.4 cv=YcGwJgRf c=1 sm=1 tr=0 ts=696721f8 cx=c_pps a=OOZaFjgC48PWsiFpTAqLcw==:117 a=OOZaFjgC48PWsiFpTAqLcw==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=vUbySO9Y5rIA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=QyXUC8HyAAAA:8 a=yPCof4ZbAAAA:8 a=w9RPrIt6g6G62PjUTAIA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: OjfZuQinCFXOcMX4gZ7cPFxXOOByEunw X-Proofpoint-ORIG-GUID: OjfZuQinCFXOcMX4gZ7cPFxXOOByEunw X-Rspamd-Queue-Id: 0750120007 X-Stat-Signature: kosfd3og4a6cyaga5648efs46qkfy7b5 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1768366591-858396 X-HE-Meta: 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 F/yZFiP/ 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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 Mon, Jan 12, 2026 at 04:16:55PM +0100, Vlastimil Babka wrote: > After we submit the rcu_free sheaves to call_rcu() we need to make sure > the rcu callbacks complete. kvfree_rcu_barrier() does that via > flush_all_rcu_sheaves() but kvfree_rcu_barrier_on_cache() doesn't. Fix > that. > > Reported-by: kernel test robot > Closes: https://lore.kernel.org/oe-lkp/202601121442.c530bed3-lkp@intel.com > Fixes: 0f35040de593 ("mm/slab: introduce kvfree_rcu_barrier_on_cache() for cache destruction") > Cc: stable@vger.kernel.org > Signed-off-by: Vlastimil Babka > --- LGTM, Reviewed-by: Harry Yoo and I reproduced it locally and this resolves the issue, so: Tested-by: Harry Yoo -- Cheers, Harry / Hyeonggon