diff --git a/kernel/smp.c b/kernel/smp.c
index 0564571dcdf7..46d3d0b48a8d 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -340,6 +340,7 @@ void __smp_call_function_single(int cpu, struct call_single_data *csd,
 	}
 	put_cpu();
 }
+EXPORT_SYMBOL_GPL(__smp_call_function_single);
 
 /**
  * smp_call_function_many(): Run a function on a set of other CPUs.