diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3625fcaf5d0f2e3f08ff928a567793aa8f890309..fed07d03364e869df06d7f1405d23d75850fe2b7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -790,6 +790,7 @@ struct sched_domain {
 };
 
 extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new);
+extern int arch_reinit_sched_domains(void);
 
 #endif	/* CONFIG_SMP */
 
diff --git a/kernel/sched.c b/kernel/sched.c
index 573179eb553e346488f43fa21a2ef07ff1e52085..78482e51b58353969fb346cbc8bbc848d93c4042 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6920,7 +6920,7 @@ void partition_sched_domains(int ndoms_new, cpumask_t *doms_new)
 }
 
 #if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT)
-static int arch_reinit_sched_domains(void)
+int arch_reinit_sched_domains(void)
 {
 	int err;