Re: user-level drivers

[Samuel Thibault]

Richard Braun, le Mon 09 May 2011 13:33:37 +0200, a écrit :
> On Mon, May 09, 2011 at 01:27:32PM +0200, Thomas Schwinge wrote:
> > > I'd suggest using natural_t (or unsigned long) too. But then, it can't
> > > be used to address >4 GiB physical memory. Consider expressing physical
> > > memory in page frame numbers.
> > 
> > Good idea!  But: what about differently sized frames (4 KiB/2
> > MiB/whatever amd64 allows)?  (In case it'd make sense to support these at
> > some point?)  Or is this over-engineering already?
> 
> These are virtual frames.

There are archs which have varying page size.  I'd rather avoid
introducing the page size, can't mig cope with 64bit values on 32bit
archs?

Samuel