On Sun, Dec 03, 2000 at 02:41:56PM +0900, Izumi Tsutsui wrote:

 > Umm.. NBPG was constant but PAGE_SIZE was not?
 > Or NBPG was a hardware value and PAGE_SIZE was for vm?
 > 
 > Anyway, currently they seems identical.

Right, but when we got support for the older sun4 systems, which have
an 8k page size, NBPG on the SPARC was changed to reference a variable.

So, the question is "why should we bother with 2 variables, when one
will do?"

-- 
        -- Jason R. Thorpe <thorpej@zembu.com>