On Fri, 2008-10-24 at 07:53 -0700, Linus Torvalds wrote:

> Actually, on 32-bit, the 'prot' should be there, as should the starting 
> physical page. Otherwise the two interfaces would be very odd, and you'd 
> have to repeat those arguments in all callers (ie both in "prepare" and 
> in the actual "access").

I suppose. What I did instead was create _wc versions of both the
prepare and access functions to eliminate the need for additional data.
Either way is fine with me; I took the route which didn't require an
additional allocation.

-- 
keith.packard@intel.com