Can I tell Linux not to swap out a particular processes' memory?

Question

Is there a way to tell Linux that it shouldn\'t swap out a particular processes\' memory to disk?

Its a Java app, so ideally I\'m hoping for a way to do this from th

Answer 1

As super user you can 'nice' it to the highest priority level -20 and hope that's enough to keep it from being swapped out. It usually is. Positive numbers lower scheduling priority. Normal users cannot nice upwards (negative nos.)