cpumask: use new cpumask_ functions in core code.

Impact: cleanup

Time to clean up remaining laggards using the old cpu_ functions.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Trond.Myklebust@netapp.com
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 9114974..8cd81ea 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -27,7 +27,7 @@
 
 	memset(ret, 0, NR_VM_EVENT_ITEMS * sizeof(unsigned long));
 
-	for_each_cpu_mask_nr(cpu, *cpumask) {
+	for_each_cpu(cpu, cpumask) {
 		struct vm_event_state *this = &per_cpu(vm_event_states, cpu);
 
 		for (i = 0; i < NR_VM_EVENT_ITEMS; i++)