diff --git a/include/linux/sched.h b/include/linux/sched.h
index b2d2dc14f0b9..41285a0e7258 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -940,7 +940,7 @@ extern int set_cpus_allowed(task_t *p, cpumask_t new_mask);
 #else
 static inline int set_cpus_allowed(task_t *p, cpumask_t new_mask)
 {
-	if (!cpus_intersects(new_mask, cpu_online_map))
+	if (!cpu_isset(0, new_mask))
 		return -EINVAL;
 	return 0;
 }
diff --git a/kernel/sched.c b/kernel/sched.c
index 4f26c544d02c..340dd238c16d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3877,7 +3877,6 @@ EXPORT_SYMBOL(cpu_present_map);
 
 #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