diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 785ac2f27271f..11af24e09c8a6 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -60,6 +60,7 @@ static inline void x86_ce4100_early_setup(void) { }
 #ifndef _SETUP
 
 #include <asm/espfix.h>
+#include <linux/kernel.h>
 
 /*
  * This is set up by the setup-routine at boot-time