> >> The resource that is in short supply in the circumstance in question
> >> is *physical* pages: [...]
> > A subtlety that I'd missed, but in this case there is no need to kill
> > the process -- simply swap it out, since we know that all its vm
> > resources are backed by swap.
> 
> How do we know that?  

Because the process has explicitly asked for it.

R.