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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D335C4321E for ; Sat, 26 Nov 2022 02:22:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230022AbiKZCWp (ORCPT ); Fri, 25 Nov 2022 21:22:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229890AbiKZCWn (ORCPT ); Fri, 25 Nov 2022 21:22:43 -0500 Received: from out30-131.freemail.mail.aliyun.com (out30-131.freemail.mail.aliyun.com [115.124.30.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0A0E15A33 for ; Fri, 25 Nov 2022 18:22:40 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R191e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045170;MF=rongwei.wang@linux.alibaba.com;NM=1;PH=DS;RN=11;SR=0;TI=SMTPD_---0VVhEFQx_1669429354; Received: from 30.25.195.131(mailfrom:rongwei.wang@linux.alibaba.com fp:SMTPD_---0VVhEFQx_1669429354) by smtp.aliyun-inc.com; Sat, 26 Nov 2022 10:22:36 +0800 Message-ID: Date: Sat, 26 Nov 2022 10:22:32 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:107.0) Gecko/20100101 Thunderbird/107.0 To: guro@fb.com Cc: akpm@linux-foundation.org, cl@linux.com, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, lkp@intel.com, mhocko@kernel.org, shakeelb@google.com, tj@kernel.org, vbabka@suse.cz, zhengjun.xing@linux.intel.com References: Subject: Re: [LKP] Re: [mm] 10befea91b: hackbench.throughput -62.4% regression Content-Language: en-US From: Rongwei Wang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Roman We also found the same regression of hackbench.throughput in our kernel-5.10, likes described in [1]. It seems that the mail thread in [2] doesn't show the last solution. So I wonder whether the upstream already has fix patch or solution can help us to solve this regression. Thanks! [1] https://lore.kernel.org/lkml/20210114025151.GA22932@xsang-OptiPlex-9020/. [2] https://lore.kernel.org/lkml/YCcp7pwzlQy15v5H@carbon.dhcp.thefacebook.com/#R