From: "David Schwartz" <davids@webmaster.com>
To: <robin.rosenberg.lists@dewire.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: RE: why swap at all? (what the user feels)
Date: Tue, 1 Jun 2004 12:04:56 -0700
Message-ID: <MDEHLPKNGKAHNMBLJOLKAEHCMFAA.davids@webmaster.com>
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> On Tuesday 01 June 2004 20.01, David Schwartz wrote:
> > >  From what I've read previously in this thread, it seems to
> > > me that the
> > > only major problem with swapping that not all users want file system
> > > cache to swap out actual applications (thus making that somewhat aged
> > > mozilla window abit laggy).
> > >
> > > Maybe we could just have a "Allow file system cache to swap out
> > > applications checkbox somewhere"?
> > >
> > > Or, Am I missing something?

> > 	In practice, that would make no difference at all. Once
> > physical memory is
> > full (and it pretty much will always be so), every memory
> request (whether

> No.

	Huh?

> Many people have machines with plenty of RAM (512MB or more is
> pretty much
> standard on new machines), much of which is only used to cache files. The
> file cache is the reason the memory is full.

	Of course. That's why I said, "once physical memory is full (and it pretty
much will always be so)". Physical memory is always full, so every memory
request requires that a page be evicted.

	DS


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