Message-ID: <941f378e1ea2b32cac0adee1e81637ab6d001f1e.camel@gmx.de>
Subject: Re: [PATCH 1/1] mm: vmscan: Reduce throttling due to a failure to
 make progress
From:   Mike Galbraith <efault@gmx.de>
To:     Alexey Avramov <hakavlad@inbox.lv>,
        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>,
        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>
Date:   Sun, 28 Nov 2021 12:39:51 +0100
In-Reply-To: <252cd5acd9bf6588ec87ce02884925c737b6a8b7.camel@gmx.de>
References: <20211125151853.8540-1-mgorman@techsingularity.net>
         <20211127011246.7a8ac7b8@mail.inbox.lv>
         <20211126165211.GL3366@techsingularity.net>
         <20211128042635.543a2d04@mail.inbox.lv>
         <252cd5acd9bf6588ec87ce02884925c737b6a8b7.camel@gmx.de>
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On Sun, 2021-11-28 at 11:00 +0100, Mike Galbraith wrote:
> On Sun, 2021-11-28 at 04:26 +0900, Alexey Avramov wrote:
> > I will present the results of the new tests here.
> >
> > TLDR;
> > =3D=3D=3D=3D=3D
> > No one Mel's patch doesn't prevent stalls in my tests.
>
> Seems there may be a problem with the THROTTLE_WRITEBACK bits..

Disregard.  I backed hacklet out again, and one-liner that had ground
my box to fine powder was harmless.  Hmm.

	-Mike
>