On Sun, 3 Apr 2011, KOSAKI Motohiro wrote: > 1) Some bios don't have such knob. btw, OK, yes, *I* can switch NUMA off completely > because I don't have such bios. 2) bios level turning off makes some side effects, > example, scheduler load balancing don't care numa anymore. Well then lets add a kernel parameter that switches all NUMA off. Otherwise: If you just run a kernel build without NUMA support then you have a similar effect. Re #2) If you have the system toss processes around the system then the load balancing heuristics does not bring you any benefit. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx 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>