On Wed, 2012-01-11 at 10:11 +0000, Mel Gorman wrote: > At least one bug report has > been seen on ppc64 against a 3.0 era kernel that looked like a bug > receiving interrupts on a CPU being offlined. Got details on that Mel? The preempt_disable() in on_each_cpu() should serialize against the stop_machine() crap in unplug. -- 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