diff --git a/include/linux/edac.h b/include/linux/edac.h
index 4fe67b853de042d3fcc45910ab929fb320aab33f..da6964873dcf677d5fde0d5ddf68a7f27ed89419 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -237,8 +237,10 @@ enum mem_type {
 #define MEM_FLAG_FB_DDR2        BIT(MEM_FB_DDR2)
 #define MEM_FLAG_RDDR2          BIT(MEM_RDDR2)
 #define MEM_FLAG_XDR            BIT(MEM_XDR)
-#define MEM_FLAG_DDR3		 BIT(MEM_DDR3)
-#define MEM_FLAG_RDDR3		 BIT(MEM_RDDR3)
+#define MEM_FLAG_DDR3           BIT(MEM_DDR3)
+#define MEM_FLAG_RDDR3          BIT(MEM_RDDR3)
+#define MEM_FLAG_DDR4           BIT(MEM_DDR4)
+#define MEM_FLAG_RDDR4          BIT(MEM_RDDR4)
 
 /**
  * enum edac-type - Error Detection and Correction capabilities and mode