Re: [RFC] Optimization for use-once pages

Mike Castle (dalgoda@ix.netcom.com)
Tue, 24 Jul 2001 10:44:53 -0700

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
use?

mrc

-- 
     Mike Castle      dalgoda@ix.netcom.com      www.netcom.com/~dalgoda/
    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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