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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3AA2FC678DB for ; Mon, 6 Mar 2023 02:05:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229642AbjCFCFU (ORCPT ); Sun, 5 Mar 2023 21:05:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229484AbjCFCFS (ORCPT ); Sun, 5 Mar 2023 21:05:18 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDA03BDC3 for ; Sun, 5 Mar 2023 18:05:16 -0800 (PST) Received: from dggpemm500001.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4PVMJk454XznW8d; Mon, 6 Mar 2023 10:01:58 +0800 (CST) Received: from [10.174.177.243] (10.174.177.243) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Mon, 6 Mar 2023 10:04:43 +0800 Message-ID: <5b4fda7f-e448-c8e2-3e3c-c80de9b26da8@huawei.com> Date: Mon, 6 Mar 2023 10:04:43 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [PATCH 0/2] mm/damon/paddr: Fix folio-use-after-put bugs Content-Language: en-US To: SeongJae Park , Andrew Morton CC: "Matthew Wilcox (Oracle)" , "Vishal Moola (Oracle)" , , , References: <20230304193949.296391-1-sj@kernel.org> From: Kefeng Wang In-Reply-To: <20230304193949.296391-1-sj@kernel.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023/3/5 3:39, SeongJae Park wrote: > There are two folio accesses after folio_put() in mm/damon/paddr.c file. > Fix those. I saw you send the bugfixes separately :) > > SeongJae Park (2): > mm/damon/paddr: fix folio_size() call after folio_put() in > damon_pa_young() > mm/damon/paddr: fix folio_nr_pages() after folio_put() in > damon_pa_mark_accessed_or_deactivate() > > mm/damon/paddr.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) >