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 F2EB9C433FE for ; Fri, 26 Nov 2021 16:13:20 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 53E936B0075; Fri, 26 Nov 2021 11:13:10 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4C7326B0078; Fri, 26 Nov 2021 11:13:10 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 38FE56B007B; Fri, 26 Nov 2021 11:13:10 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0037.hostedemail.com [216.40.44.37]) by kanga.kvack.org (Postfix) with ESMTP id 26A9C6B0075 for ; Fri, 26 Nov 2021 11:13:10 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id DDAF21855DF14 for ; Fri, 26 Nov 2021 16:12:59 +0000 (UTC) X-FDA: 78851575278.25.A0218FF Received: from shark3.inbox.lv (shark3.inbox.lv [194.152.32.83]) by imf09.hostedemail.com (Postfix) with ESMTP id 2BDB73000105 for ; Fri, 26 Nov 2021 16:12:55 +0000 (UTC) Received: from shark3.inbox.lv (localhost [127.0.0.1]) by shark3-out.inbox.lv (Postfix) with ESMTP id 5B0352801A7; Fri, 26 Nov 2021 18:12:57 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=inbox.lv; s=30062014; t=1637943177; bh=TwIFssNIvXJ6jzXj4xg2DtQzCcD9xeNHMIWR/MW2OK4=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=Cspyo0iS/t9692vdkNaHGPbrUbUV8yXtyFzjzz+1RPd8v6LXhpAjITj/zKKqsMQ+X eM34kH5hvytdnsF0GpoDcwrOiOamLK4G046QjPXfROeSDmHP8LtPrhgSfsfaq2Y5QD 9jZCuEOZ9spLRYCO7sC3lFRoOCQjtCUb+umbJmqQ= Received: from localhost (localhost [127.0.0.1]) by shark3-in.inbox.lv (Postfix) with ESMTP id 538FA2801A1; Fri, 26 Nov 2021 18:12:57 +0200 (EET) Received: from shark3.inbox.lv ([127.0.0.1]) by localhost (shark3.inbox.lv [127.0.0.1]) (spamfilter, port 35) with ESMTP id 2YM-lk9sV_IA; Fri, 26 Nov 2021 18:12:57 +0200 (EET) Received: from mail.inbox.lv (pop1 [127.0.0.1]) by shark3-in.inbox.lv (Postfix) with ESMTP id 1D86D280116; Fri, 26 Nov 2021 18:12:57 +0200 (EET) Date: Sat, 27 Nov 2021 01:12:46 +0900 From: Alexey Avramov To: Mel Gorman Cc: Andrew Morton , Michal Hocko , Vlastimil Babka , Rik van Riel , Mike Galbraith , Darrick Wong , regressions@lists.linux.dev, Linux-fsdevel , Linux-MM , LKML Subject: Re: [PATCH 1/1] mm: vmscan: Reduce throttling due to a failure to make progress Message-ID: <20211127011246.7a8ac7b8@mail.inbox.lv> In-Reply-To: <20211125151853.8540-1-mgorman@techsingularity.net> References: <20211125151853.8540-1-mgorman@techsingularity.net> X-Mailer: Claws Mail 3.14.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Virus-Scanned: OK X-ESPOL: AJ2EQ38cmnBBsMa9LpgOlO7lx8rAKFdj4mfmvc49ixdFz9PMtNdrcW+QBYXuHxy7cWTD X-Stat-Signature: tg6menwnqsbm6d7jdn63gnshdbpu5ay1 X-Rspamd-Queue-Id: 2BDB73000105 X-Rspamd-Server: rspam07 Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=inbox.lv header.s=30062014 header.b=Cspyo0iS; spf=pass (imf09.hostedemail.com: domain of hakavlad@inbox.lv designates 194.152.32.83 as permitted sender) smtp.mailfrom=hakavlad@inbox.lv; dmarc=pass (policy=quarantine) header.from=inbox.lv X-HE-Tag: 1637943175-101286 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: >After the patch, the test gets killed after roughly 15 seconds which is >the same length of time taken in 5.15. In my tests, the 5.15 still performs much better. New question: is timeout=1 has sense? Will it save CPU?