>> Hey, could someone out there just run scratch-and-built of pmap.c? 
>
> Jason Thorpe has been saying "pinch the Alpha pmap" for a long time...

He and Chuck Cranor told in the same tone "take a look at the lengthy
comment in i386/include/pmap.h" for recursive map of linear PTE.
Chris Demetriou stressed new PTE arrangement, too.

Tohru Nishimura