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,UNPARSEABLE_RELAY,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 2A7DCC4363C for ; Sun, 4 Oct 2020 21:26:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC37B2078A for ; Sun, 4 Oct 2020 21:26:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726345AbgJDV0L (ORCPT ); Sun, 4 Oct 2020 17:26:11 -0400 Received: from out28-77.mail.aliyun.com ([115.124.28.77]:34868 "EHLO out28-77.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726313AbgJDV0L (ORCPT ); Sun, 4 Oct 2020 17:26:11 -0400 X-Alimail-AntiSpam: AC=CONTINUE;BC=0.1129661|-1;CH=green;DM=|CONTINUE|false|;DS=CONTINUE|ham_social|0.00855663-0.000426929-0.991016;FP=0|0|0|0|0|-1|-1|-1;HT=ay29a033018047193;MF=zhouyanjie@wanyeetech.com;NM=1;PH=DS;RN=3;RT=3;SR=0;TI=SMTPD_---.IfSdSrU_1601846768; Received: from 192.168.10.195(mailfrom:zhouyanjie@wanyeetech.com fp:SMTPD_---.IfSdSrU_1601846768) by smtp.aliyun-inc.com(10.147.40.233); Mon, 05 Oct 2020 05:26:09 +0800 Subject: Re: Kernel 5.9-rc regression. To: Thomas Bogendoerfer Cc: "open list:MIPS" , linux-kernel References: <25b6a64b-b5ac-c85a-abde-909fb2d768f9@wanyeetech.com> <20201001215548.GA21328@alpha.franken.de> From: Zhou Yanjie Message-ID: <42898d8c-e95a-bc07-3e6e-0ead4bc9e17d@wanyeetech.com> Date: Mon, 5 Oct 2020 05:26:07 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 In-Reply-To: <20201001215548.GA21328@alpha.franken.de> Content-Type: text/plain; charset=gbk; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org ÔÚ 2020/10/2 ÉÏÎç5:55, Thomas Bogendoerfer дµÀ: > On Fri, Oct 02, 2020 at 04:15:43AM +0800, Zhou Yanjie wrote: >> Hi Thomas and list, >> >> There is a strange phenomenon in kernel 5.9-rc: when using kernel 5.9-rc >> with debian 10 and running htop, the memory footprint will be displayed as >> 3.99T. When the actual memory footprint increases, the displayed value will >> be reduced to 3.98T, 3.97T etc. These phenomena have been confirmed in >> X1000, X1830, and JZ4780 (disable SMP), this phenomenon does not seem to >> affect the SMP processor. When the JZ4780 turn on SMP, the memory footprint >> will be displayed normally. > try this fix > > https://lore.kernel.org/lkml/20201001203931.GD2706729@carbon.DHCP.thefacebook.com/ It works, thanks! > Thomas. >