diff --git a/kernel/cpu.c b/kernel/cpu.c
index 9d4e1c2..a35d899 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -572,3 +572,5 @@
 };
 
 const cpumask_t *cpumask_of_cpu_map = cpumask_map;
+
+EXPORT_SYMBOL_GPL(cpumask_of_cpu_map);