Hi, On Wednesday 19 April 2006 10:31, Nigel Cunningham wrote: > On Wednesday 19 April 2006 18:05, Rafael J. Wysocki wrote: > > On Tuesday 18 April 2006 15:07, Nigel Cunningham wrote: > > > On Tuesday 18 April 2006 21:19, Rafael J. Wysocki wrote: }-- snip --{ > > > Haven't looked at the patch itself, but this sounds like a great idea. I > > > wonder though, won't the 50% limit still apply, because you'll still have > > > to make an atomic copy to start with (unless you figure out which pages > > > aren't going to change and therefore don't need to be atomically copied)? > > > > You are right, and I'm going to figure out which pages won't change. I > > think I have some good candidates. ;-) > > LRU by any chance? :) Generally yes, but not all of them. First of all pages that are mapped by frozen processes. Maybe some others too, but that will have to be handled with care. ;-) Greetings, Rafael