On Apr 13, 2007, at 7:01 AM, Antti Kantee wrote:

> On Fri Apr 13 2007 at 19:25:41 +0530, Nalin Gupta wrote:
>> Hello,
>>
>> Is there any api, to determine physical addr from vm_map_entry of a
>> user process vm space ?
>
> pmap_extract(), see pmap(9).  You need the process pmap, which you can
> find from proc->vmspace->vm_map->pmap.

Note that the physical page can also change underneath you at any time  
unless you first wire the mapping.

-- thorpej