1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/edac.h b/include/linux/edac.h
index 8e6c20af11a2..e1e68da6f35c 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -194,6 +194,9 @@ static inline char *mc_event_error_type(const unsigned int err_type)
  * @MEM_DDR3:           DDR3 RAM
  * @MEM_RDDR3:          Registered DDR3 RAM
  *                      This is a variant of the DDR3 memories.
+ * @MEM_DDR4:           DDR4 RAM
+ * @MEM_RDDR4:          Registered DDR4 RAM
+ *                      This is a variant of the DDR4 memories.
  */
 enum mem_type {
         MEM_EMPTY = 0,
@@ -213,6 +216,8 @@ enum mem_type {
         MEM_XDR,
         MEM_DDR3,
         MEM_RDDR3,
+        MEM_DDR4,
+        MEM_RDDR4,
 };
 
 #define MEM_FLAG_EMPTY          BIT(MEM_EMPTY)