Re: [RFC] Optimization for use-once pages

Rik van Riel (riel@conectiva.com.br)
Tue, 24 Jul 2001 15:15:01 -0300 (BRST)


On Tue, 24 Jul 2001, Daniel Phillips wrote:
> On Tuesday 24 July 2001 19:04, Rik van Riel wrote:

> Memory-mapped files have to be handled too.

> > In order to prevent this from happening, either the system
> > counts all first references in a short timespan (complex to
> > implement) or it has the new pages on a special - small fixed
> > size - page list and all references to the page while on that
> > list are ignored.
>
> Yes, those are both possibilities.

The special "new pages" list handles the mmap() situation
automatically.

regards,

Rik

--
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