what exacly do you mean with critical path, here?

JAn

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
> [EMAIL PROTECTED]         Usergroup           [EMAIL PROTECTED]
>
>
>
> To Unsubscribe: send mail to [EMAIL PROTECTED]
> with "unsubscribe freebsd-current" in the body of the message
>



To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-current" in the body of the message

Reply via email to