diff --git a/include/asm-x86_64/siginfo.h b/include/asm-x86_64/siginfo.h
new file mode 100644
index 0000000..7bc1598
--- /dev/null
+++ b/include/asm-x86_64/siginfo.h
@@ -0,0 +1,10 @@
+#ifndef _X8664_SIGINFO_H
+#define _X8664_SIGINFO_H
+
+#define __ARCH_SI_PREAMBLE_SIZE	(4 * sizeof(int))
+
+#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 4)
+
+#include <asm-generic/siginfo.h>
+
+#endif