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=-6.6 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 A3042C433DF for ; Wed, 19 Aug 2020 08:41:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 84CAF207FB for ; Wed, 19 Aug 2020 08:41:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726741AbgHSIlj (ORCPT ); Wed, 19 Aug 2020 04:41:39 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:9844 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725903AbgHSIlj (ORCPT ); Wed, 19 Aug 2020 04:41:39 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id A55D9D5636408194B6C0; Wed, 19 Aug 2020 16:41:36 +0800 (CST) Received: from [10.174.179.61] (10.174.179.61) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Wed, 19 Aug 2020 16:41:26 +0800 Subject: Re: [PATCH] mm/slub: sysfs cleanup on cpu partial when !SLUB_CPU_PARTIAL To: Andrew Morton CC: Christoph Lameter , Pekka Enberg , "David Rientjes" , Joonsoo Kim , , , "open list:SLAB ALLOCATOR" , open list References: <20200813084858.1494-1-wuyun.wu@huawei.com> <20200818202619.6f04826a98d845e489890bba@linux-foundation.org> From: Abel Wu Message-ID: <1b6dd6d9-f613-846f-b102-b19df1b2eee8@huawei.com> Date: Wed, 19 Aug 2020 16:41:25 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.1.0 MIME-Version: 1.0 In-Reply-To: <20200818202619.6f04826a98d845e489890bba@linux-foundation.org> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.179.61] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/8/19 11:26, Andrew Morton wrote: > On Thu, 13 Aug 2020 16:48:54 +0800 wrote: > >> Hide cpu partial related sysfs entries when !CONFIG_SLUB_CPU_PARTIAL to >> avoid confusion. >> > > But it changes the userspace interface in ways which might cause > existing code to misbehave? Yes, indeed. > > We just had to revert a different commit for this reason :( > > http://lkml.kernel.org/r/20200811075412.12872-1-bhe@redhat.com > . > OK, just ignore this patch and leave it as is! Thanks, Abel