Re: Swap

Rik van Riel (riel@conectiva.com.br)
Tue, 20 Nov 2001 09:43:38 -0200 (BRST)

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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