Re: [RFC] Optimization for use-once pages

From: Mike Castle (
Date: Tue Jul 24 2001 - 12:44:53 EST

On Tue, Jul 24, 2001 at 02:07:32PM -0300, Rik van Riel wrote:
> > I hate to bother you directly, but I don't wish to start a flame
> > war on lkml. How exactly would you explain two accesses as
> > being "used once"?
> Because they occur in a very short interval, an interval MUCH
> shorter than the time scale in which the VM subsystem looks at
> referenced bits, etc...

Would mmap() then a for(;;) loop over the range be an example of such a


     Mike Castle
    We are all of us living in the shadow of Manhattan.  -- Watchmen
fatal ("You are in a maze of twisty compiler features, all different"); -- gcc
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