From: Chuck Ebbert <76306.1226@compuserve.com>
To: John Bradford <john@grabjohn.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] first try for swap prefetch
Date: Fri, 11 Apr 2003 12:57:27 -0400 [thread overview]
Message-ID: <200304111259_MC3-1-3405-E07F@compuserve.com> (raw)
John Bradford wrote:
> We could possibly avoid this by swapping the pages back
>in after one minute of inactivity, then letting the
>disk spin down.
Why not also write pages out to swap before it's really necessary?
If they were left mapped but marked as having up-to-date copies
on swap, they could be discarded immediately if the system needed
memory. (Of course if they got written to they would have to be
paged out again.)
--
"Let's fight until six, and then have dinner," said Tweedledum.
--Lewis Carroll, _Through the Looking Glass_
next reply other threads:[~2003-04-11 16:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-11 16:57 Chuck Ebbert [this message]
2003-04-11 17:39 ` Completely new idea to virtual memory (Was: Re: [RFC] first try for swap prefetch) John Bradford
-- strict thread matches above, loose matches on Subject: below --
2003-04-10 17:47 [RFC] first try for swap prefetch Thomas Schlichter
2003-04-10 23:18 ` Andrew Morton
2003-04-11 11:51 ` Thomas Schlichter
2003-04-11 12:13 ` William Lee Irwin III
2003-04-11 12:21 ` John Bradford
2003-04-11 12:22 ` Zwane Mwaikambo
2003-04-11 13:29 ` John Bradford
2003-04-11 21:39 ` Andrew Morton
2003-04-12 5:05 ` Thomas Schlichter
2003-04-12 5:37 ` Andrew Morton
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