diff --git a/arch/arm/mach-highbank/core.h b/arch/arm/mach-highbank/core.h
index 286ec82a4f63..068c68795c8c 100644
--- a/arch/arm/mach-highbank/core.h
+++ b/arch/arm/mach-highbank/core.h
@@ -1,3 +1,6 @@
+#ifndef __HIGHBANK_CORE_H
+#define __HIGHBANK_CORE_H
+
 extern void highbank_set_cpu_jump(int cpu, void *jump_addr);
 extern void highbank_clocks_init(void);
 extern void highbank_restart(char, const char *);
@@ -18,3 +21,5 @@ extern void highbank_smc1(int fn, int arg);
 extern void highbank_cpu_die(unsigned int cpu);
 
 extern struct smp_operations highbank_smp_ops;
+
+#endif