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From: Zwane Mwaikambo <zwane@linuxpower.ca>
To: John Bradford <john@grabjohn.com>
Cc: Thomas Schlichter <schlicht@uni-mannheim.de>,
	Andrew Morton <akpm@digeo.com>, "" <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] first try for swap prefetch
Date: Fri, 11 Apr 2003 08:22:27 -0400 (EDT)	[thread overview]
Message-ID: <Pine.LNX.4.50.0304110819180.540-100000@montezuma.mastecende.com> (raw)
In-Reply-To: <200304111221.h3BCLiHv000820@81-2-122-30.bradfords.org.uk>

On Fri, 11 Apr 2003, John Bradford wrote:

> Actually, it could potentially do something very useful - if you are
> using a laptop, or other machine where disks are spun down to save
> power, you might be swapping in data while the disk still happens to
> be spinning, rather than letting it spin down, then having to spin it
> up again - in that instance you are definitely gaining something,
> (more battery life).

That sounds like a rather short disk spin down time (in which case you 
might not be gaining all that much battery life given the constant spin 
up/down), either that or you're paging in way too much stuff.

	Zwane

  reply	other threads:[~2003-04-11 12:17 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
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 [this message]
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
2003-04-17 16:02           ` [RFC] second try for swap prefetch (does Oops!) Thomas Schlichter
2003-04-11 16:57 [RFC] first try for swap prefetch Chuck Ebbert

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