what exacly do you mean with critical path, here?
On Sun, 5 Nov 2000, Bernd Walter wrote:
> On Thu, Nov 02, 2000 at 12:45:30AM -0800, David Greenman wrote:
> > >Interesting. THis needs about two bytes per page for the counter?
> > Actually, we found that a single byte per page was sufficient. Pages tended
> > to be either heavily accessed or rarely accessed. Even in the unusual case
> > where all pages are frequently accessed, the page reclaim rate (and thus
> > adjustment rate of the page references count) increases high enough to still
> > provide for a decent distribution of the counters and for the page LOU to be
> > effective.
> One byte sounds good for i386.
> Maybe it makes sense to have it 4 or 8 byte on risc platforms.
> I wonder if it's a critical path and if there are more of this in
> the kernel source.
> B.Walter COSMO-Project http://www.cosmo-project.de
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