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[2620:137:e000::1:20]) by mx.google.com with ESMTP id dd2si14843375ejc.882.2022.02.22.18.33.55; Tue, 22 Feb 2022 18:34:18 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=sxwmKsmh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236429AbiBWAkA (ORCPT + 99 others); Tue, 22 Feb 2022 19:40:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231518AbiBWAj7 (ORCPT ); Tue, 22 Feb 2022 19:39:59 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D24455F8DE; Tue, 22 Feb 2022 16:39:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=mnwTyMbUz81PkB25DhATLqknf9GX0qBtMJyqNEVfajI=; b=sxwmKsmhM6USGd256+56DlZH+0 xC8pp6lboBFRP88VnMkxrclwWkXe3f2XdwnKpvH+z8J4H/tQ5x09ss4WJqJVkAM/8uRMxpiUAzY8k AyeS04RXX0DgxaYuiz9AMQfFekUAfGn/iTMQFKj6mny1N2cySd/sYp/Ki4dS7xSO3WZksKlieMjvx DNPaYNbEj+CcHY464j7QkeJ9ifx4c671M2xsWMsvgHx7sB9b423IBlZMCQOxcQEwU0tGEZ0dGx3P3 2kjSKJ5KuCAEaG/rKPAQyKhlJjEtajugqivMXbR8raOSTL32LBDvaM+SIc4F07HFxDxmg8TLp4gEI aIA/+iPg==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nMfge-00C1fi-Tq; Wed, 23 Feb 2022 00:39:20 +0000 Date: Tue, 22 Feb 2022 16:39:20 -0800 From: Luis Chamberlain To: tangmeng Cc: Matthew Wilcox , viro@zeniv.linux.org.uk, akpm@linux-foundation.org, keescook@chromium.org, yzaikin@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, nizhen@uniontech.com, zhanglianjie@uniontech.com, nixiaoming@huawei.com, sujiaxun@uniontech.com Subject: Re: [PATCH 10/11] fs/drop_caches: move drop_caches sysctls to its own file Message-ID: References: <20220220060626.15885-1-tangmeng@uniontech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: Luis Chamberlain X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 21, 2022 at 09:55:18AM +0800, tangmeng wrote: > I think it is obviously the right thing that we need to do. Since you are following up on more changes, can you work on this? Brownie points if you show size results to refelct no size difference based on a new build with an example new user. > However, many submissions have been commited which registers an array > before, I think that having a register_sysctl_one() which registers exactly > one ctl_table should submit in a separate submission, rather than modify it > this time. We can optimize this later and fix those. Luis