From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Buddy Lumpkin <b.lumpkin@attbi.com>
Cc: Austin Gonyou <austin@digitalroadkill.net>,
vda@port.imtp.ilyichevsk.odessa.ua,
Ville Herva <vherva@niksula.hut.fi>, DervishD <raul@pleyades.net>,
Linux-kernel <linux-kernel@vger.kernel.org>
Subject: RE: About the need of a swap area
Date: 28 Jul 2002 01:03:16 +0100 [thread overview]
Message-ID: <1027814596.21511.5.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <FJEIKLCALBJLPMEOOMECOEPGCPAA.b.lumpkin@attbi.com>
On Sat, 2002-07-27 at 23:39, Buddy Lumpkin wrote:
> Why would you want to push *anything* to swap until you have to?
To reduce the amount of disk access
> Dirty filesystem pages have to be flushed to disk, it's just a question of
Clean ones do not. Dirty ones are also copied to disk but remain in
memory for reread events. They may also be deleted before being written.
> and it's pretty relative what "long unaccessed" means ..
In the Linux case the page cache is basically not discriminating too
much about what page is (and it may be several things at once - cache,
executing code and file data) just its access history.
next prev parent reply other threads:[~2002-07-27 22:45 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-27 12:22 DervishD
2002-07-27 14:42 ` Ville Herva
2002-07-27 15:47 ` Rik van Riel
2002-07-27 20:41 ` Buddy Lumpkin
2002-07-27 20:50 ` Rik van Riel
2002-07-27 16:11 ` DervishD
2002-07-27 17:01 ` Ville Herva
2002-07-28 11:04 ` DervishD
2002-07-29 13:14 ` [lkml] " Ian Soboroff
2002-07-28 0:02 ` Denis Vlasenko
2002-07-27 20:58 ` Austin Gonyou
2002-07-27 22:22 ` Buddy Lumpkin
2002-07-27 23:40 ` Alan Cox
2002-07-27 22:35 ` Rik van Riel
2002-07-27 22:49 ` Buddy Lumpkin
2002-07-27 23:36 ` Daniel Phillips
2002-07-27 22:39 ` Buddy Lumpkin
2002-07-28 0:03 ` Alan Cox [this message]
2002-07-27 22:52 ` Rik van Riel
2002-07-27 23:01 ` Buddy Lumpkin
2002-07-28 0:28 ` Alan Cox
2002-07-27 23:34 ` Buddy Lumpkin
2002-07-28 6:58 ` Ville Herva
2002-07-28 7:59 ` Buddy Lumpkin
2002-07-28 8:19 ` Ville Herva
2002-07-28 14:11 ` Rik van Riel
2002-07-28 15:57 ` Ville Herva
2002-07-28 18:48 ` Buddy Lumpkin
2002-07-28 18:58 ` Ed Sweetman
2002-07-28 19:29 ` Rik van Riel
2002-07-28 19:47 ` Ed Sweetman
2002-07-28 20:42 ` Buddy Lumpkin
2002-07-28 20:27 ` Ville Herva
2002-07-30 19:31 ` Andy Isaacson
2002-07-28 16:20 ` Austin Gonyou
2002-07-29 7:18 ` Val Henson
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