> 
> Also, one last thing: if i was to add hardware cursor support i'd have
> to allocate a 1k block of memory for cursor sprite, but not framebuffer
> memory. Is there something like a pointer to end of used physical system
> memory in NetBSD//vax, so i could allocate two contiguous pages without
> making memory holes in contiguous memory ? Something like heap pointer ?
> It has to be two consecutive pages aligned at 1k boundry in this case
> due to HW implementation. Any suggestions ?
> 
There are several ways:
 - uvm_km_alloc()
 - static char foo[1024];

Using uvm_km_alloc() you get a logical (4k) page of physically 
contiguous memory;

-- Ragge