On Tue, 15 May 2012, Peter Zijlstra wrote: > So yes, page migration is a 'serious' problem, but only because the way > its implemented is sub-optimal. For the low-latency cases: page migration needs to be restricted to cpus that are allowed to run high latency tasks or restricted to a time that no low-latency responses are needed by the app. This means during setup or special processing times (maybe after some action was completed). A random compaction run can be very bad for a latency critical section. -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>