diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h
index 0d0637debbadde81993d8dddeb79bf83cb2f5560..35f6e0e3b297de16ad5e7c0ccac18dae0c388590 100644
--- a/drivers/edac/mce_amd.h
+++ b/drivers/edac/mce_amd.h
@@ -5,6 +5,8 @@
 
 #include <asm/mce.h>
 
+#define BIT_64(n)			(U64_C(1) << (n))
+
 #define ERROR_CODE(x)			((x) & 0xffff)
 #define EXT_ERROR_CODE(x)		(((x) >> 16) & 0x1f)