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 1E897C433E1 for ; Wed, 19 Aug 2020 08:41:49 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D1C5520639 for ; Wed, 19 Aug 2020 08:41:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D1C5520639 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 48C8F6B0074; Wed, 19 Aug 2020 04:41:48 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 43C566B0075; Wed, 19 Aug 2020 04:41:48 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3529E6B0078; Wed, 19 Aug 2020 04:41:48 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0062.hostedemail.com [216.40.44.62]) by kanga.kvack.org (Postfix) with ESMTP id 20E136B0074 for ; Wed, 19 Aug 2020 04:41:48 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id D334E1EF3 for ; Wed, 19 Aug 2020 08:41:47 +0000 (UTC) X-FDA: 77166675054.22.name62_0f17e3e27026 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin22.hostedemail.com (Postfix) with ESMTP id F2CC518038E6C for ; Wed, 19 Aug 2020 08:41:46 +0000 (UTC) X-HE-Tag: name62_0f17e3e27026 X-Filterd-Recvd-Size: 2125 Received: from huawei.com (szxga04-in.huawei.com [45.249.212.190]) by imf32.hostedemail.com (Postfix) with ESMTP for ; Wed, 19 Aug 2020 08:41:46 +0000 (UTC) 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 X-Rspamd-Queue-Id: F2CC518038E6C X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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