Izumi Tsutsui writes:
 > In <199812120545.AAA06411@vite.fake.org>
 > gwr@netbsd.org wrote:
 > 
 > > I'm happy to report that UVM now works on the Sun3X.
 > 
 > Congratulations! I'm happy, too.

Oh - I'm so ashamed!  I forgot to say thanks to you,
Izuimi Tsutsui, for finding the problem.  I gave credit
in the commit message, but not in the port-sun3 message.
So sorry.  Many thanks!

 > BTW, it seems that pmap_page_index() is not used if
 > MACHINE_NEW_NONCONTIG is defened. It is declared in
 > /sys/vm/pmap.h and used in /sys/vm/vm_page.c only
 > if MACHINE_NONCONTIG is defined.

Maybe things have changed since I looked, but
I think it is still used if !defined(UVM).
Perhaps a #if would be in order...