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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,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 340DEC433B4 for ; Tue, 6 Apr 2021 15:13:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1182B611C1 for ; Tue, 6 Apr 2021 15:13:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345533AbhDFPNJ (ORCPT ); Tue, 6 Apr 2021 11:13:09 -0400 Received: from zg8tmty1ljiyny4xntqumjca.icoremail.net ([165.227.154.27]:33816 "HELO zg8tmty1ljiyny4xntqumjca.icoremail.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S233155AbhDFPNI (ORCPT ); Tue, 6 Apr 2021 11:13:08 -0400 Received: from NeildeMBP.local (unknown [60.24.14.254]) by mailapp1 (Coremail) with SMTP id A7CowADnybpjemxg7igAAA--.726S3; Tue, 06 Apr 2021 23:12:36 +0800 (CST) Subject: Re: [PATCH] mm/vmscan.c: drop_slab_node with task's memcg To: Michal Hocko Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <1617359934-7812-1-git-send-email-neilsun@yunify.com> <4dba277d-e497-5c34-0e68-fd2283585de2@yunify.com> From: Neil Sun Message-ID: Date: Tue, 6 Apr 2021 23:12:34 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-CM-TRANSID: A7CowADnybpjemxg7igAAA--.726S3 X-Coremail-Antispam: 1UD129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUYr7k0a2IF6FyUM7kC6x804xWl14x267AK xVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AKwVWUJVWUGw A2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26r1I 6r4UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4j6F4UM28EF7xvwVC2z280aVAFwI0_Gr 1j6F4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJwAS0I0E0xvYzxvE52x082IY 62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7V C2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcVAKI48JMxk0xIA0 c2IEe2xFo4CEbIxvr21l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2 IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v2 6r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2 IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWrJr0_WFyUJwCI42IY6I8E 87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73Uj IFyTuYvjxUc_-PUUUUU X-CM-SenderInfo: xqhlz21xq653pqli5hhfrp/1tbiAQAEClhaKtAGzQABs9 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/4/6 22:39, Michal Hocko wrote: > > Have you considered using high limit for the pro-active memory reclaim? Thanks, Michal, do you mean the procfs interfaces? We have set vm.vfs_cache_pressure=1000 and so on. would you please take an example? -- Neil