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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3054BC433EF for ; Wed, 23 Feb 2022 09:51:48 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9F8168D0001; Wed, 23 Feb 2022 04:51:47 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 9A80D8D0002; Wed, 23 Feb 2022 04:51:47 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8C8F78D0001; Wed, 23 Feb 2022 04:51:47 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0215.hostedemail.com [216.40.44.215]) by kanga.kvack.org (Postfix) with ESMTP id 7F1958D0001 for ; Wed, 23 Feb 2022 04:51:47 -0500 (EST) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 378B6998DA for ; Wed, 23 Feb 2022 09:51:47 +0000 (UTC) X-FDA: 79173577854.11.15580F7 Received: from smtpbg150.qq.com (smtpbg150.qq.com [18.132.163.193]) by imf07.hostedemail.com (Postfix) with ESMTP id 1B45240003 for ; Wed, 23 Feb 2022 09:51:45 +0000 (UTC) X-QQ-mid: bizesmtp74t1645609898t5j7gicq Received: from [10.4.23.188] (unknown [58.240.82.166]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 23 Feb 2022 17:51:33 +0800 (CST) X-QQ-SSF: 01400000002000B0F000B00C0000000 X-QQ-FEAT: XwMLFaztUQi64Pm7qlWBa+WlkqWU6WwmIfyUx7bnyg7kL44vb4vDeUfArFpoU O1kCfE4+bN4p5D6uNinSxdZ+wWGgFVn6+jb3mUlCOohwv8148r5PpU3XNmPPfVhuCceWF9I Xl62OcNOLdlGpPEYDMG7lYiKYydn7xCxNmSFKeA0mt4wJM2O7x0PtoWBo3xDdbrFw8PFL3I LHDpdVE6YedUUm8Aqp9WC8lBKFfBb55wckM940xLgEhjoDhn/FCvHCnDDgaGSNR2hVfCDeT pjabgtkfFVqkM8OONW6ZAoTimfjPjVSh84KAKN714y7U6Edk5eW1BP+IoOagDg0jPon6xnB tnNDVimtQhOw1ZehtP6FRLSllRuCBdz3T79UaOY X-QQ-GoodBg: 2 Message-ID: <8940d534-d6e5-0642-f145-67a323eb8092@uniontech.com>+980A2855F1DABF4A Date: Wed, 23 Feb 2022 17:51:33 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.1 Subject: Re: [PATCH 10/11] fs/drop_caches: move drop_caches sysctls to its own file To: Luis Chamberlain 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 References: <20220220060626.15885-1-tangmeng@uniontech.com> From: tangmeng In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:uniontech.com:qybgforeign:qybgforeign6 X-QQ-Bgrelay: 1 X-Stat-Signature: w1dwrqqyjq3r5pdtwps7dgbcyyr3ftjy X-Rspam-User: Authentication-Results: imf07.hostedemail.com; dkim=none; spf=pass (imf07.hostedemail.com: domain of tangmeng@uniontech.com designates 18.132.163.193 as permitted sender) smtp.mailfrom=tangmeng@uniontech.com; dmarc=none X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 1B45240003 X-HE-Tag: 1645609905-248309 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 2022/2/23 08:39, Luis Chamberlain wrote: > > 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. > I'm going work on this, but I think it may take some times to get it done. Before ctl_table optimization, I optimized ctl_path first. If the optimization method for ctl_path is reasonable, I will apply the optimization method to the optimization of ctl_table. The optimization of ctl_path refers to the subject which is as follows: [PATCH] fs/proc: Optimize arrays defined by struct ctl_path Best regards! Meng Tang