On Thu, Apr 26, 2012 at 03:57:30PM -0700, David Rientjes wrote: > mm->page_table_lock is hotly contested for page fault tests and isn't > necessary to do mem_cgroup_uncharge_page() in do_huge_pmd_wp_page(). > > Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx> Probably rare, but since it's just two lines and the uncharge path really does a ridiculous amount of things, I'm happy with moving it out of the locked section. Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> -- 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>