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 C5D70C433F5 for ; Thu, 2 Dec 2021 12:15:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1E75C6B0072; Thu, 2 Dec 2021 07:15:33 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 195266B0073; Thu, 2 Dec 2021 07:15:33 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0841F6B0074; Thu, 2 Dec 2021 07:15:33 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0130.hostedemail.com [216.40.44.130]) by kanga.kvack.org (Postfix) with ESMTP id EE61C6B0072 for ; Thu, 2 Dec 2021 07:15:32 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id AF6BF181327AD for ; Thu, 2 Dec 2021 12:15:22 +0000 (UTC) X-FDA: 78872749284.03.3DA759E Received: from shark1.inbox.lv (shark1.inbox.lv [194.152.32.81]) by imf11.hostedemail.com (Postfix) with ESMTP id 1BD1DF0000AE for ; Thu, 2 Dec 2021 12:15:21 +0000 (UTC) Received: from shark1.inbox.lv (localhost [127.0.0.1]) by shark1-out.inbox.lv (Postfix) with ESMTP id 05D0C11181C5; Thu, 2 Dec 2021 14:15:20 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=inbox.lv; s=30062014; t=1638447320; bh=4j2nijv3X12i2A61/XXLhOx/Qk6/8t3KG3IAb8uqORE=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=PcyYJg9D3XMUFHryaZ60I9fQTfegzVtjXlIddCQiG/O885mr+xQVGGPlF+w871UtM L0eCuZDAa9ZXjpIymr6lAn+kCj1dSRjXSOeqUxCDCrL+4nNpmSzBdGY+KhE0ueKhyM no9VpGZdbBrhXUvQDBV/rXrBfDN7Hof5wKfMZKJo= Received: from localhost (localhost [127.0.0.1]) by shark1-in.inbox.lv (Postfix) with ESMTP id F3E7C11181BF; Thu, 2 Dec 2021 14:15:19 +0200 (EET) Received: from shark1.inbox.lv ([127.0.0.1]) by localhost (shark1.inbox.lv [127.0.0.1]) (spamfilter, port 35) with ESMTP id 4fNXQX0fpT_4; Thu, 2 Dec 2021 14:15:19 +0200 (EET) Received: from mail.inbox.lv (pop1 [127.0.0.1]) by shark1-in.inbox.lv (Postfix) with ESMTP id B57AA11181B7; Thu, 2 Dec 2021 14:15:19 +0200 (EET) Date: Thu, 2 Dec 2021 21:14:56 +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: <20211202211456.3517014f@mail.inbox.lv> In-Reply-To: <20211202204229.5ed83f31@mail.inbox.lv> References: <20211125151853.8540-1-mgorman@techsingularity.net> <20211127011246.7a8ac7b8@mail.inbox.lv> <20211129150117.GO3366@techsingularity.net> <20211201010348.31e99637@mail.inbox.lv> <20211130172754.GS3366@techsingularity.net> <20211201033836.4382a474@mail.inbox.lv> <20211201140005.GU3366@techsingularity.net> <20211202204229.5ed83f31@mail.inbox.lv> 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: AJqEQ3gB6gdL+J/+N+YY6uLix9W6UVIlviLmvc49ixdFz9PMtNdrcW+QBYXqHxy6dn8= X-Rspamd-Queue-Id: 1BD1DF0000AE X-Stat-Signature: 9nu91xxozt9e9fge3eby8d8c7qbtx7k3 Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=inbox.lv header.s=30062014 header.b=PcyYJg9D; dmarc=pass (policy=quarantine) header.from=inbox.lv; spf=pass (imf11.hostedemail.com: domain of hakavlad@inbox.lv designates 194.152.32.81 as permitted sender) smtp.mailfrom=hakavlad@inbox.lv X-Rspamd-Server: rspam02 X-HE-Tag: 1638447321-701709 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000283, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: and trace.out with swappiness=0: typical entries: Chrome_~dThread-3463 [003] ..... 5492.490187: mm_vmscan_throttled: nid=0 usec_timeout=20000 usect_delayed=4000 reason=VMSCAN_THROTTLE_ISOLATED DNS Res~ver #12-5720 [005] ..... 5492.490207: mm_vmscan_throttled: nid=0 usec_timeout=20000 usect_delayed=4000 reason=VMSCAN_THROTTLE_ISOLATED tail-6015 [001] ..... 5492.490545: mm_vmscan_throttled: nid=0 usec_timeout=20000 usect_delayed=4000 reason=VMSCAN_THROTTLE_ISOLATED https://drive.google.com/file/d/1oXOVPFyNmDe2-PFUIAMHMPffZo1N_7vl/view