On Fri, 2010-04-23 at 13:17 -0700, Greg Thelen wrote: > +static void mem_cgroup_begin_page_cgroup_reassignment(void) > +{ > + VM_BUG_ON(mem_cgroup_account_move_ongoing); > + mem_cgroup_account_move_ongoing = true; > + synchronize_rcu(); > +} btw, you know synchronize_rcu() is _really_ slow? -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>