From: alex@foogod.com
To: Rik van Riel <riel@conectiva.com.br>
Cc: alex@foogod.com, Alan Olsen <alan@clueserver.org>,
Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Recommended swap for 2.4.x.
Date: Tue, 30 Jan 2001 10:10:09 -0800 [thread overview]
Message-ID: <20010130101009.B13819@draco.foogod.com> (raw)
In-Reply-To: <20010129152335.H11411@draco.foogod.com> <Pine.LNX.4.21.0101300945500.1321-100000@duckman.distro.conectiva>
In-Reply-To: <Pine.LNX.4.21.0101300945500.1321-100000@duckman.distro.conectiva>
On Tue, Jan 30, 2001 at 09:48:33AM -0200, Rik van Riel wrote:
> It has. We now leave dirty pages swapcached, which means that
> for certain workloads Linux 2.4 eats up much more swap space
> than Linux 2.2.
Ah.. thanks for the clarification. Is this duplication "hard" or "soft"?
i.e. under low-memory conditions, do these duplicated pages actually reduce
the hard limit of VM available, or just imply that using that last bit of
memory will entail greater paging overhead (because it has to do more cleanup)?
Does this mean that having a swap partition less than or equal to RAM is now
effectively pointless?
-alex
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next prev parent reply other threads:[~2001-01-30 18:11 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-29 21:51 2.4.0-test12: SiS pirq handling Linus Torvalds
2001-01-29 22:06 ` Sven Koch
2001-01-29 22:57 ` Recommended swap for 2.4.x Alan Olsen
2001-01-29 23:04 ` Linus Torvalds
2001-01-29 23:23 ` alex
2001-01-29 23:45 ` Mike Castle
2001-01-29 23:49 ` William T Wilson
2001-01-30 0:24 ` Kevin Krieser
2001-01-30 5:20 ` Jeff Chua
2001-01-30 19:21 ` James H. Cloos Jr.
2001-01-30 1:20 ` idalton
2001-01-30 11:48 ` Rik van Riel
2001-01-30 18:10 ` alex [this message]
2001-01-30 18:22 ` Rik van Riel
2001-01-30 18:40 ` Matthew Kirkwood
2001-01-30 18:43 ` Rik van Riel
2001-01-31 19:59 ` Russell King
2001-01-30 19:13 ` alex
2001-01-30 19:28 ` Rik van Riel
2001-02-02 13:51 ` Pavel Machek
2001-02-02 22:58 ` Alan Olsen
2001-02-02 20:27 ` Jonathan Morton
2001-01-29 23:17 ` 2.4.0-test12: SiS pirq handling Aaron Tiensivu
2001-01-29 23:44 ` Linus Torvalds
2001-01-30 0:34 ` Aaron Tiensivu
2001-01-31 10:19 ` Martin Diehl
2001-01-30 1:38 ` Adam Huffman
2001-01-31 10:21 ` [PATCH] minor ne2k-pci irq fix Martin Diehl
2001-01-31 12:11 ` davej
2001-02-01 0:01 ` Martin Diehl
2001-02-01 15:06 ` Jeff Garzik
2001-02-02 16:49 ` Martin Diehl
2001-02-02 17:05 ` Jeff Garzik
2001-02-03 20:20 ` Linus Torvalds
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