diff --git a/kernel/sched.c b/kernel/sched.c
index 1f31a52..1e5cafd 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3879,6 +3879,7 @@
 
 #ifndef CONFIG_SMP
 cpumask_t cpu_online_map = CPU_MASK_ALL;
+EXPORT_SYMBOL_GPL(cpu_online_map);
 cpumask_t cpu_possible_map = CPU_MASK_ALL;
 #endif