> > I remember Kame has already suggested this idea. In my opinion, > > I still think it's better to add a new migratetype or a new zone, > > so both user and kernel could use mirrored memory. > > A new zone would be more flexible ... and probably the right long > term solution. But this looks like a very clever was to try out the > feature with a minimally invasive patch. Yes. I agree creating a new zone is the right solution for long term. I believe this approach using MOVABLE_ZONE is good and reasonable for short-term solution. Sincerely, Taku Izumi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>