stop_machine: Wean existing callers off stop_machine_run()

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6da6672..3cf3d05 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2372,7 +2372,7 @@
 
 #endif	/* CONFIG_NUMA */
 
-/* return values int ....just for stop_machine_run() */
+/* return values int ....just for stop_machine() */
 static int __build_all_zonelists(void *dummy)
 {
 	int nid;
@@ -2397,7 +2397,7 @@
 	} else {
 		/* we have to stop all cpus to guarantee there is no user
 		   of zonelist */
-		stop_machine_run(__build_all_zonelists, NULL, NR_CPUS);
+		stop_machine(__build_all_zonelists, NULL, NULL);
 		/* cpuset refresh routine should be here */
 	}
 	vm_total_pages = nr_free_pagecache_pages();