From: ebiederm@xmission.com (Eric W. Biederman)
To: zlatko@iskon.hr
Cc: Linus Torvalds <torvalds@transmeta.com>,
Rik van Riel <riel@conectiva.com.br>,
linux-kernel@vger.kernel.org
Subject: Re: Subtle MM bug
Date: 08 Jan 2001 23:20:58 -0700 [thread overview]
Message-ID: <m1wvc5gsad.fsf@frodo.biederman.org> (raw)
In-Reply-To: <Pine.LNX.4.10.10101080951140.3750-100000@penguin.transmeta.com> <87n1d1mx2d.fsf@atlas.iskon.hr>
In-Reply-To: Zlatko Calusic's message of "09 Jan 2001 00:41:14 +0100"
Zlatko Calusic <zlatko@iskon.hr> writes:
>
> Yes, but a lot more data on the swap also means degraded performance,
> because the disk head has to seek around in the much bigger area. Are
> you sure this is all OK?
I don't think we have more data on the swap, just more data has an
allocated home on the swap. With the earlier allocation we should
(I haven't verified) allocate contiguous chunks of memory contiguously
on the swap. And reusing the same swap pages helps out with this.
Eric
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next prev parent reply other threads:[~2001-01-09 7:20 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-08 5:29 Subtle MM bug Wayne Whitney
2001-01-08 5:42 ` Andi Kleen
2001-01-08 6:04 ` Linus Torvalds
2001-01-08 17:44 ` Rik van Riel
2001-01-08 18:02 ` Linus Torvalds
2001-01-08 17:16 ` Rik van Riel
2001-01-08 17:58 ` Linus Torvalds
2001-01-08 23:41 ` Zlatko Calusic
2001-01-09 2:58 ` Linus Torvalds
2001-01-09 6:20 ` Eric W. Biederman [this message]
2001-01-09 7:27 ` Linus Torvalds
2001-01-09 11:38 ` Eric W. Biederman
2001-01-09 12:29 ` Zlatko Calusic
2001-01-09 18:47 ` Linus Torvalds
2001-01-09 19:09 ` Daniel Phillips
2001-01-09 19:29 ` Trond Myklebust
2001-01-10 17:32 ` Andi Kleen
2001-01-10 19:31 ` Alan Cox
2001-01-10 19:33 ` Andi Kleen
2001-01-10 19:40 ` Alan Cox
2001-01-10 19:43 ` Andi Kleen
2001-01-10 19:48 ` Alan Cox
2001-01-10 19:48 ` Andi Kleen
2001-01-11 9:51 ` Trond Myklebust
2001-01-10 20:11 ` Linus Torvalds
2001-01-11 12:56 ` Stephen C. Tweedie
2001-01-11 13:10 ` Andi Kleen
2001-01-11 13:12 ` Trond Myklebust
2001-01-11 14:13 ` Stephen C. Tweedie
2001-01-11 19:03 ` Alexander Viro
2001-01-11 19:47 ` Stephen C. Tweedie
2001-01-11 19:57 ` Alexander Viro
2001-01-11 16:50 ` Albert D. Cahalan
2001-01-11 17:35 ` Stephen C. Tweedie
2001-01-11 19:38 ` Albert D. Cahalan
2001-01-11 19:01 ` Alexander Viro
2001-01-09 19:37 ` Linus Torvalds
2001-01-17 8:46 ` Rik van Riel
2001-01-25 22:51 ` Daniel Phillips
2001-01-09 19:53 ` Simon Kirby
2001-01-09 20:08 ` Linus Torvalds
2001-01-09 20:10 ` Zlatko Calusic
2001-01-10 1:45 ` David Woodhouse
2001-01-10 2:26 ` Andrea Arcangeli
2001-01-10 6:57 ` Linus Torvalds
2001-01-10 11:46 ` David Woodhouse
2001-01-10 14:56 ` Andrea Arcangeli
2001-01-10 17:46 ` Eric W. Biederman
2001-01-10 18:33 ` Andrea Arcangeli
2001-01-17 14:26 ` Rik van Riel
2001-01-10 19:03 ` Linus Torvalds
2001-01-10 19:27 ` David S. Miller
2001-01-10 19:36 ` Alan Cox
2001-01-10 23:56 ` David Weinehall
2001-01-11 0:24 ` Alan Cox
2001-01-12 5:56 ` Ralf Baechle
2001-01-12 16:10 ` Eric W. Biederman
2001-01-12 21:11 ` Russell King
2001-01-15 2:56 ` Ralf Baechle
2001-01-15 6:59 ` Eric W. Biederman
2001-01-15 2:53 ` Ralf Baechle
2001-01-15 8:41 ` Caches, page coloring, virtual indexed caches, and more Eric W. Biederman
2001-01-15 11:54 ` Ralf Baechle
2001-01-15 12:53 ` Anton Blanchard
2001-01-15 17:41 ` Ralf Baechle
2001-01-17 4:36 ` Anton Blanchard
2001-01-16 9:34 ` Eric W. Biederman
2001-01-17 4:43 ` Anton Blanchard
2001-01-17 8:35 ` Eric W. Biederman
2001-01-15 17:16 ` Eric W. Biederman
2001-01-16 4:58 ` Ralf Baechle
2001-01-15 18:22 ` Jamie Lokier
2001-01-15 12:51 ` Anton Blanchard
2001-01-17 14:28 ` Subtle MM bug Rik van Riel
2001-01-18 1:23 ` Linus Torvalds
2001-01-18 11:48 ` Rik van Riel
2001-01-10 17:03 ` Linus Torvalds
2001-01-11 14:36 ` Jim Gettys
2001-01-08 21:30 ` Wayne Whitney
-- strict thread matches above, loose matches on Subject: below --
2001-01-10 19:57 Chris Wing
2001-01-08 20:39 Szabolcs Szakacsits
2001-01-08 21:56 ` Wayne Whitney
2001-01-08 23:22 ` Wayne Whitney
2001-01-08 23:30 ` Andrea Arcangeli
2001-01-09 0:37 ` Linus Torvalds
2001-01-08 22:00 ` Wayne Whitney
2001-01-08 22:15 ` Andrea Arcangeli
2001-01-07 20:59 Zlatko Calusic
2001-01-07 21:37 ` Rik van Riel
2001-01-07 22:33 ` Zlatko Calusic
2001-01-09 2:01 ` Zlatko Calusic
2001-01-17 4:48 ` Rik van Riel
2001-01-17 18:53 ` Zlatko Calusic
2001-01-18 1:32 ` Rik van Riel
2001-04-17 19:37 ` H. Peter Anvin
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