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 X-Spam-Level: X-Spam-Status: No, score=-7.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7440FC433F5 for ; Tue, 14 Sep 2021 03:11:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5BACD61108 for ; Tue, 14 Sep 2021 03:11:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238701AbhINDMQ (ORCPT ); Mon, 13 Sep 2021 23:12:16 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:19969 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238474AbhINDMP (ORCPT ); Mon, 13 Sep 2021 23:12:15 -0400 Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4H7pCw2k2qzbmT6; Tue, 14 Sep 2021 11:06:52 +0800 (CST) Received: from [10.174.177.76] (10.174.177.76) by dggeme703-chm.china.huawei.com (10.1.199.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.8; Tue, 14 Sep 2021 11:10:57 +0800 Subject: Re: [PATCH v2] mm/page_isolation: fix potential missing call to unset_migratetype_isolate() To: Andrew Morton , Michal Hocko CC: David Hildenbrand , , , References: <20210913115125.33617-1-linmiaohe@huawei.com> <6cb372ff-0b68-2143-913e-04ab3e6b4160@huawei.com> <20210913195113.b13142630a5401e8abacc13e@linux-foundation.org> From: Miaohe Lin Message-ID: Date: Tue, 14 Sep 2021 11:10:56 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20210913195113.b13142630a5401e8abacc13e@linux-foundation.org> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.76] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggeme703-chm.china.huawei.com (10.1.199.99) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/9/14 10:51, Andrew Morton wrote: > On Mon, 13 Sep 2021 14:59:42 +0200 Michal Hocko wrote: > >> I do realize that the stable tree is in a hoarding mode for quite some >> years but my general approach has been (in line with the documentation) >> to mark and backport only fixes that really do matter. > > Me2. There has to be some risk-vs-reward test to be passed... Will keep this in mind when I try to cc stable. Thanks. > . >