diff --git a/include/linux/sched.h b/include/linux/sched.h
index cbd8731..4bbbe12 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -737,6 +737,8 @@
 #endif
 };
 
+extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new);
+
 #endif	/* CONFIG_SMP */
 
 /*