[RFC 1/3] mm: iommu: An API to unify IOMMU, CPU and device memory management

[Paul Mundt]

On Thu, Jul 01, 2010 at 12:16:18AM -0700, Zach Pfeffer wrote:
> Thank you for the corrections. I'm correcting them now. Some responses:
> 
> Randy Dunlap wrote:
> >> +    struct vcm *vcm_create(size_t start_addr, size_t len);
> > 
> > Seems odd to use size_t for start_addr.
> 
> I used size_t because I wanted to allow the start_addr the same range
> as len. Is there a better type to use? I see 'unsigned long' used
> throughout the mm code. Perhaps that's better for both the start_addr
> and len.
> 
phys_addr_t or resource_size_t.