From: Michal Hocko <mhocko@kernel.org>
To: Matthew Wilcox <willy@infradead.org>
Cc: lsf-pc@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, Mel Gorman <mgorman@suse.de>
Subject: Re: [Lsf-pc] [LSF/MM TOPIC] Congestion
Date: Mon, 6 Jan 2020 12:55:14 +0100 [thread overview]
Message-ID: <20200106115514.GG12699@dhcp22.suse.cz> (raw)
In-Reply-To: <20191231125908.GD6788@bombadil.infradead.org>
On Tue 31-12-19 04:59:08, Matthew Wilcox wrote:
>
> I don't want to present this topic; I merely noticed the problem.
> I nominate Jens Axboe and Michael Hocko as session leaders. See the
> thread here:
Thanks for bringing this up Matthew! The change in the behavior came as
a surprise to me. I can lead the session for the MM side.
> https://lore.kernel.org/linux-mm/20190923111900.GH15392@bombadil.infradead.org/
>
> Summary: Congestion is broken and has been for years, and everybody's
> system is sleeping waiting for congestion that will never clear.
>
> A good outcome for this meeting would be:
>
> - MM defines what information they want from the block stack.
The history of the congestion waiting is kinda hairy but I will try to
summarize expectations we used to have and we can discuss how much of
that has been real and what followed up as a cargo cult. Maybe we just
find out that we do not need functionality like that anymore. I believe
Mel would be a great contributor to the discussion.
> - Block stack commits to giving them that information.
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2020-01-06 11:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-31 12:59 [LSF/MM TOPIC] Congestion Matthew Wilcox
2020-01-04 9:09 ` Dave Chinner
2020-01-06 11:55 ` Michal Hocko [this message]
2020-01-06 23:21 ` [Lsf-pc] " Dave Chinner
2020-01-07 8:23 ` Chris Murphy
2020-01-07 11:53 ` Michal Hocko
2020-01-07 20:12 ` Chris Murphy
2020-01-07 11:53 ` Michal Hocko
2020-01-09 11:07 ` Jan Kara
2020-01-09 23:00 ` Dave Chinner
2020-02-05 16:05 ` Mel Gorman
2020-02-06 23:19 ` Dave Chinner
2020-02-07 0:08 ` Matthew Wilcox
2020-02-13 3:18 ` Andrew Morton
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