On Thu, Dec 06, 2001 at 04:05:26PM -0500, Nathan J. Williams wrote:

 > Be careful to allocate enough bits here for the large number of page
 > sizes permitted by some architetures, since they're being allocated in
 > a MI bit-space. The IA64 architecture, for example, has ten different
 > page sizes, from 4k to 256M.

6 bits is enough to describe all powers of 2 between 2^12 and 2^64, so
I would think that would be more than enough.

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