On Thu, 15 Apr 1999 15:56:25 +0200 (MET DST) 
 Anders Magnusson <ragge@ludd.luth.se> wrote:

 > > This is cool... I didn't realize the VAX port direct-mapped all of
 > > physical RAM :-)
 > > 
 > Well, I started mapping in all physical memory first in the virtual
 > memory a couple of years ago to simplify pmap_copy_page() and
 > pmap_zero_page(), which only is 3 resp. 2 instructions each :-)

Kewl :-)

I suppose it's fairly simple to do on the VAX, because, well, I've
never seen a VAX with a Lot of memory :-)

        -- Jason R. Thorpe <thorpej@nas.nasa.gov>