diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h
index 9418d6e9b8cd..dae1d8720076 100644
--- a/include/asm-generic/signal.h
+++ b/include/asm-generic/signal.h
@@ -1,3 +1,8 @@
+#ifndef __ASM_GENERIC_SIGNAL_H
+#define __ASM_GENERIC_SIGNAL_H
+
+#include <linux/compiler.h>
+
 #ifndef SIG_BLOCK
 #define SIG_BLOCK          0	/* for blocking signals */
 #endif
@@ -19,3 +24,5 @@ typedef __restorefn_t __user *__sigrestore_t;
 #define SIG_IGN	((__force __sighandler_t)1)	/* ignore signal */
 #define SIG_ERR	((__force __sighandler_t)-1)	/* error return from signal */
 #endif
+
+#endif /* __ASM_GENERIC_SIGNAL_H */