> I also want to make these minimal PV handling moved to some MI place - > probably > uvm_page.c. Now we don't define MI PV header yet, I'll allocate struct > vm_page_md *[] for each XIP-capable device. This will be put in uvm_page.c > too.
For this part, I'll have a vm_page_md mapping for each device vm_physseg. 1:1 mapping of device-page -> vm_page_md. I'll borrow pv_entry hash code used in x86/pmap.c. (Idea from rm...@.) Masao
