On Fri, Jul 24, 2015 at 09:04:21AM +0200, Michal Hocko wrote: > On Thu 23-07-15 14:54:33, Spencer Baugh wrote: > > From: Joern Engel <joern@xxxxxxxxx> > > > > Mapping large memory spaces can be slow and prevent high-priority > > realtime threads from preempting lower-priority threads for a long time. > > How can a lower priority task block the high priority one? Do you have > preemption disabled? Yes. Jörn -- If you're willing to restrict the flexibility of your approach, you can almost always do something better. -- John Carmack -- 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>