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 2526CC433EF for ; Thu, 2 Dec 2021 16:09:54 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A79366B0073; Thu, 2 Dec 2021 11:09:43 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A279E6B0074; Thu, 2 Dec 2021 11:09:43 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8F07C6B0075; Thu, 2 Dec 2021 11:09:43 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0182.hostedemail.com [216.40.44.182]) by kanga.kvack.org (Postfix) with ESMTP id 80D2D6B0073 for ; Thu, 2 Dec 2021 11:09:43 -0500 (EST) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 3A90E89D3A for ; Thu, 2 Dec 2021 16:09:33 +0000 (UTC) X-FDA: 78873339426.05.44D7B89 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf06.hostedemail.com (Postfix) with ESMTP id BC1B1801A88D for ; Thu, 2 Dec 2021 16:09:32 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0611E626E5; Thu, 2 Dec 2021 16:09:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B86FEC00446; Thu, 2 Dec 2021 16:09:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638461370; bh=pIo5eiwP+Dtx+LxnVanei0w9hk4uYILZ609rHZrcAdc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iFPrk4rtYAf+Rx4IKVph3SNlRQDmzxLr4kBwk3DdYPsd7+4WyvpLfVw3gY0J8tqFE gAIM3Gt9UlRs0yDRiSDml+wTdofUpjN26Hj43gBmJCISV2UVsGWG46sxVXtMkqEIOd 40JbY005yCQiB8BH9Rjm1psgDLlpzyZS1eOgSwyiLb1tN91LZcHBZluM5A3w7OOlzE /Q+2yooCOST9j28KNJ/8Fl5Bq6Bw287Laa9U68lSIhU2iHUBnz226tMqqLTV5X0G6o zNuGukctfv6FFtDT+CTxTYAxSMLFSwq9r5CVFa40/+7FGFxcLiBGI2Z89hPASenblC 1S7V3HvJMyPkA== Date: Thu, 2 Dec 2021 08:09:30 -0800 From: "Darrick J. Wong" To: Mel Gorman Cc: Alexey Avramov , Andrew Morton , Michal Hocko , Vlastimil Babka , Rik van Riel , Mike Galbraith , 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: <20211202160930.GC8492@magnolia> 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> <20211201172920.GA8492@magnolia> <20211202094332.GW3366@techsingularity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211202094332.GW3366@techsingularity.net> X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: BC1B1801A88D Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=iFPrk4rt; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf06.hostedemail.com: domain of djwong@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=djwong@kernel.org X-Stat-Signature: 3fmd7bp5b8biq66wxrpgr6qcef55t1pa X-HE-Tag: 1638461372-687342 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Dec 02, 2021 at 09:43:32AM +0000, Mel Gorman wrote: > On Wed, Dec 01, 2021 at 09:29:20AM -0800, Darrick J. Wong wrote: > > > Again 5.16-rc1 stuttered badly but the new patch was comparable to 5.15. > > > > > > As my baseline figures are very different to yours due to differences in > > > storage, can you test the following please? > > > > I don't know if this was directed at me, but I reran my swapfile > > testcase on 5.16-rc3 and found that it had nearly the same runtime as it > > did in 5.15. > > > > Thanks Darrick. Can I add the following? > > Tested-by: Darrick J. Wong Yes, please! :) --D > -- > Mel Gorman > SUSE Labs