From: Stephan von Krawczynski <skraw@ithnet.com>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: linux-kernel@vger.kernel.org, ast@domdv.de
Subject: Re: broken VM in 2.4.10-pre9
Date: Mon, 17 Sep 2001 19:20:22 +0200 [thread overview]
Message-ID: <20010917192022.313ddd5f.skraw@ithnet.com> (raw)
In-Reply-To: <Pine.LNX.4.33.0109170942161.8900-100000@penguin.transmeta.com>
In-Reply-To: <20010917183433.5b992e74.skraw@ithnet.com> <Pine.LNX.4.33.0109170942161.8900-100000@penguin.transmeta.com>
On Mon, 17 Sep 2001 09:46:28 -0700 (PDT) Linus Torvalds
<torvalds@transmeta.com> wrote:
> "Looks cleaner" is very important for me for maintenance reasons - having
> behaviour that you cannot explain tends to result in more and more ad-hoc
> hacks over time, and it just tends to get worse and worse.
Agreed.
> However, at the same time I'd really like to hear about improved
> behaviour, not just "feels the same". And certainly not "(maybe even
> worse.."
Hm, sorry for that. But that's what I see. Maybe the problem is now on a
different field.
> The problematic part is that I suspect that _because_ there's a lot of
> inactive pages, the VM layer won't even try to age the active ones.
> Which will result in the inactive pages being re-circulated reasonably
> quickly..
Do you think this re-circulation is _fast_ in current code? Maybe performance
loss comes from this point?
BTW: I tried Andrea's brand new patch and have to admit it has a _big_
performance gain, though I understand you dislike the design very much.
Regards,
Stephan
next prev parent reply other threads:[~2001-09-17 17:20 UTC|newest]
Thread overview: 133+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-16 15:19 broken VM in 2.4.10-pre9 Ricardo Galli
2001-09-16 15:23 ` Michael Rothwell
2001-09-16 16:33 ` Rik van Riel
2001-09-16 16:50 ` Andreas Steinmetz
2001-09-16 17:12 ` Ricardo Galli
2001-09-16 17:06 ` Ricardo Galli
2001-09-16 17:18 ` Jeremy Zawodny
2001-09-16 18:16 ` Stephan von Krawczynski
2001-09-16 18:45 ` Stephan von Krawczynski
2001-09-21 3:16 ` Bill Davidsen
2001-09-21 10:21 ` Stephan von Krawczynski
2001-09-21 14:08 ` Bill Davidsen
2001-09-21 14:23 ` Rik van Riel
2001-09-23 13:13 ` Eric W. Biederman
2001-09-23 13:27 ` Rik van Riel
2001-09-21 10:43 ` Stephan von Krawczynski
2001-09-21 12:13 ` Rik van Riel
2001-09-21 12:55 ` Stephan von Krawczynski
2001-09-21 13:01 ` Rik van Riel
2001-09-22 11:01 ` Daniel Phillips
2001-09-22 20:05 ` Rik van Riel
2001-09-24 9:36 ` Linux VM design VDA
2001-09-24 11:06 ` Dave Jones
2001-09-24 12:15 ` Kirill Ratkin
2001-09-24 13:29 ` Rik van Riel
2001-09-24 14:05 ` VDA
2001-09-24 14:37 ` Rik van Riel
2001-09-24 14:42 ` Rik van Riel
2001-09-24 18:37 ` Daniel Phillips
2001-09-24 18:46 ` Jonathan Morton
2001-09-24 19:16 ` Daniel Phillips
2001-09-24 19:32 ` Rik van Riel
2001-09-24 17:27 ` Rob Landley
2001-09-24 21:48 ` Rik van Riel
2001-09-25 9:58 ` Daniel Phillips
2001-09-25 16:03 ` bill davidsen
2001-09-24 19:11 ` Dan Mann
2001-09-25 10:55 ` VDA
2001-09-16 19:43 ` broken VM in 2.4.10-pre9 Linus Torvalds
2001-09-16 19:57 ` Rik van Riel
2001-09-16 20:17 ` Rik van Riel
2001-09-16 20:29 ` Andreas Steinmetz
2001-09-16 21:28 ` Linus Torvalds
2001-09-16 22:47 ` Alex Bligh - linux-kernel
2001-09-16 22:55 ` Linus Torvalds
2001-09-16 22:59 ` Stephan von Krawczynski
2001-09-16 22:14 ` Linus Torvalds
2001-09-16 23:29 ` Stephan von Krawczynski
2001-09-17 15:35 ` Stephan von Krawczynski
2001-09-17 15:51 ` Linus Torvalds
2001-09-17 16:34 ` Stephan von Krawczynski
2001-09-17 16:46 ` Linus Torvalds
2001-09-17 17:20 ` Stephan von Krawczynski [this message]
2001-09-17 17:37 ` Linus Torvalds
2001-09-17 0:37 ` Daniel Phillips
2001-09-17 1:07 ` Linus Torvalds
2001-09-17 2:23 ` Daniel Phillips
2001-09-17 5:11 ` Jan Harkes
2001-09-17 12:33 ` Daniel Phillips
2001-09-17 12:41 ` Rik van Riel
2001-09-17 14:49 ` Daniel Phillips
2001-09-17 16:14 ` Jan Harkes
2001-09-17 16:34 ` Linus Torvalds
2001-09-17 15:38 ` Linus Torvalds
2001-09-17 12:26 ` Rik van Riel
2001-09-17 15:42 ` Linus Torvalds
2001-09-18 12:04 ` Rik van Riel
2001-09-17 17:33 ` Linus Torvalds
2001-09-17 18:07 ` Linus Torvalds
2001-09-18 12:09 ` Rik van Riel
2001-09-21 3:10 ` Bill Davidsen
2001-09-17 8:06 ` Eric W. Biederman
2001-09-17 12:12 ` Rik van Riel
2001-09-17 15:45 ` Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
2001-09-22 19:59 Peter Magnusson
2001-09-22 20:46 ` Jan Harkes
2001-09-22 21:46 ` Peter Magnusson
2001-09-22 19:59 Peter Magnusson
2001-09-22 20:18 ` Rik van Riel
2001-09-19 22:15 Rob Fuller
2001-09-19 22:21 ` David S. Miller
2001-09-19 22:26 ` Christoph Hellwig
2001-09-20 3:16 ` GOTO Masanori
2001-09-20 7:38 ` Christoph Hellwig
2001-09-19 22:30 ` Alan Cox
2001-09-19 22:48 ` Eric W. Biederman
2001-09-19 22:51 ` Bryan O'Sullivan
2001-09-17 15:40 Rob Fuller
2001-09-17 16:03 ` Eric W. Biederman
2001-09-19 9:45 ` Daniel Phillips
2001-09-19 19:45 ` Alan Cox
2001-09-19 21:03 ` Eric W. Biederman
2001-09-19 22:04 ` Alan Cox
2001-09-19 22:26 ` Eric W. Biederman
2001-09-19 23:05 ` Rik van Riel
2001-09-20 11:28 ` Daniel Phillips
2001-09-20 12:06 ` Rik van Riel
2001-09-21 8:13 ` Daniel Phillips
2001-09-21 12:10 ` Rik van Riel
2001-09-21 15:27 ` Jan Harkes
2001-09-22 7:09 ` Daniel Phillips
2001-09-25 11:04 ` Mike Fedyk
2001-09-20 12:57 ` Alan Cox
2001-09-20 13:40 ` Daniel Phillips
2001-09-24 22:50 ` Pavel Machek
2001-09-26 18:22 ` Marcelo Tosatti
2001-09-26 23:44 ` Pavel Machek
2001-09-27 13:52 ` Eric W. Biederman
2001-10-01 11:37 ` Marcelo Tosatti
2001-09-19 23:00 ` Rik van Riel
2001-09-21 8:23 ` Eric W. Biederman
2001-09-21 12:01 ` Rik van Riel
2001-09-22 2:14 ` Alexander Viro
2001-09-22 3:09 ` Rik van Riel
2001-09-21 14:29 ` Gábor Lénárt
2001-09-21 14:35 ` Horst von Brand
2001-09-19 21:37 ` Eric W. Biederman
2001-09-19 21:55 ` David S. Miller
2001-09-20 13:02 ` Rik van Riel
2001-09-16 19:07 vm rewrite ready [Re: broken VM in 2.4.10-pre9] Rik van Riel
2001-09-16 15:19 ` broken VM in 2.4.10-pre9 Phillip Susi
2001-09-16 19:33 ` Jeremy Zawodny
2001-09-16 19:52 ` Rik van Riel
[not found] <fa.i95if5v.74un2p@ifi.uio.no>
[not found] ` <fa.gu977tv.1b7u0g9@ifi.uio.no>
2001-09-16 18:06 ` Dan Maas
2001-09-15 22:43 Peter Magnusson
2001-09-15 23:50 ` Jan Harkes
2001-09-16 5:31 ` Linus Torvalds
2001-09-16 8:45 ` Eric W. Biederman
2001-09-17 10:25 ` Tonu Samuel
2001-09-16 16:47 ` Jeremy Zawodny
2001-09-16 18:36 ` Alan Cox
2001-09-16 19:38 ` Linus Torvalds
2001-09-16 19:37 ` Linus Torvalds
2001-09-17 14:04 ` Olaf Zaplinski
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