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Date: Tue, 20 Nov 2001 09:43:38 -0200 (BRST)
From: Rik van Riel <riel@conectiva.com.br>
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To: Ryan Cumming <bodnar42@phalynx.dhs.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
        <linux-kernel@vger.kernel.org>
Subject: Re: Swap
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On Mon, 19 Nov 2001, Ryan Cumming wrote:
> On November 19, 2001 18:49, Eric W. Biederman wrote:
> > That would probably do it.  Though it is puzzling why after the file
> > is munmaped it's pages aren't recycled.
>
> Because they're part of the page cache now, and won't be recycled
> until newer pages 'push' them out of memory.

Newer pages cannot push them out of memory, due to use-once.
That is, unless those newer pages also get mmap()d or if they
get accessed really often.

Rik
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