On Thu, 26 Jan 2012, Gilad Ben-Yossef wrote: > Calculate a cpumask of CPUs with per-cpu pages in any zone > and only send an IPI requesting CPUs to drain these pages > to the buddy allocator if they actually have pages when > asked to flush. Acked-by: Christoph Lameter <cl@xxxxxxxxx> -- 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>