On Sun, 26 Jun 2011, Marcin Slusarz wrote: > slub checks for poison one byte by one, which is highly inefficient > and shows up frequently as a highest cpu-eater in perf top. Ummm.. Performance improvements for debugging modes? If you need performance then switch off debuggin. -- 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>