der Mouse <mouse@Rodents.Montreal.QC.CA> writes:
> > 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?

"man end", I'd say.

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

You can discourage the use of the program except on the console in the 
man page and explain why...

Perry