>> I could do this via two ioctls (to freeze and unfreeze), except for
>> the risk that the process will have to page something in off disk in
>> order to unfreeeze the bus.

> I suspect if you mlock the pages in this won't be a problem in
> practice.

Sure.  Except:

(1) How do I find all the address ranges I need to lock?

(2) That assumes no other processes need locking, which is false if
    running under X or screen or any such.

					der Mouse

			       mouse@rodents.montreal.qc.ca
		     7D C8 61 52 5D E7 2D 39  4E F1 31 3E E8 B3 27 4B