From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from shark3.inbox.lv (shark3.inbox.lv [194.152.32.83])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by smtp.subspace.kernel.org (Postfix) with ESMTPS id B91312C81
	for <regressions@lists.linux.dev>; Fri, 26 Nov 2021 16:24:47 +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 <hakavlad@inbox.lv>
To: Mel Gorman <mgorman@techsingularity.net>
Cc: Andrew Morton <akpm@linux-foundation.org>, Michal Hocko
 <mhocko@suse.com>, Vlastimil Babka <vbabka@suse.cz>, Rik van Riel
 <riel@surriel.com>, Mike Galbraith <efault@gmx.de>, Darrick Wong
 <djwong@kernel.org>, regressions@lists.linux.dev, Linux-fsdevel
 <linux-fsdevel@vger.kernel.org>, Linux-MM <linux-mm@kvack.org>, LKML
 <linux-kernel@vger.kernel.org>
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)
Precedence: bulk
X-Mailing-List: regressions@lists.linux.dev
List-Id: <regressions.lists.linux.dev>
List-Subscribe: <mailto:regressions+subscribe@lists.linux.dev>
List-Unsubscribe: <mailto:regressions+unsubscribe@lists.linux.dev>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
X-Virus-Scanned: OK
X-ESPOL: AJ2EQ38cmnBBsMa9LpgOlO7lx8rAKFdj4mfmvc49ixdFz9PMtNdrcW+QBYXuHxy7cWTD

>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?