Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp309189pxa; Wed, 19 Aug 2020 01:44:53 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz/nXMGa2N3pJg/JmONfFI4XhebyT4XtrWaG6BAfOtg+XHtcL9mjNiFR5rauLKj2D0x5isS X-Received: by 2002:aa7:d411:: with SMTP id z17mr23705885edq.85.1597826693186; Wed, 19 Aug 2020 01:44:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597826693; cv=none; d=google.com; s=arc-20160816; b=v6roFEWSl6591lRxJTWupqnlKaXjaHx0rjZWxkeE4iS9EnuC6q2/uqLVfH8Jta2RAB VdkPX0yPYHFJxDc+Vn3oSGd4QbGMdxRCSn2sAqnnf+HmBJm5S5dfc4MzxHlL0P/ENsiy fhf53Eq7NC02csVhgNZTcSQCrg52GmiqRL3Q69e5NFOZ8ElRjjyMQCeJqVKO7teyCbAR aejltWO69OVeK7ymEnaHygEJj1Satul96xIjpROwL4DsEArHGH99R7oLPxNoTZ9kXYib Qp+ilx4mkspjLI8b/gi6oBwemBDe0CBk9HaMJATbYG1ebXJlHg3P+eUOLrCZziR8a57l syjg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=F9aSFGhqycGpC5qlW3DU8xoM6YacZIjrOJUbn4EICQ4=; b=WkNvSuUm7tZ8atVDYRYjRpLCjNHNneANv0ONfgyrgBVtfEq1+Agq7NQoNN5+i9oH46 2DrM2T3eBUH9+HYVkJOt+kTib/s/qUXXa2wWnIdldT18I39AeM+9qmWI4VmcEzoEMFK+ RcFoLzwmIdKfStQVQYeTU4QmLgSoBuExgTyF8jjrvAPJIC2wVbB4gNrtMyTakoKrXZMF dU8ZdC1IoYpgq3JHj779Id5iNz52gVmXi5438hIPrruxW5g0ioHqcibxGQzpJ82Zlx2n OlZSGSSuzLurCyWVXSurHKrtxyjnEWJHgR72ooKGhrBVW2ZGzme5n5IoSYI4xjxgru7q Ha8w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z12si14523638edk.22.2020.08.19.01.44.29; Wed, 19 Aug 2020 01:44:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726612AbgHSIlj (ORCPT + 99 others); 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