diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index eef8724faae0..f6d462d0be2d 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -163,6 +163,7 @@ const char * const edac_mem_types[] = {
 	[MEM_RDDR4]	= "Registered-DDR4",
 	[MEM_LPDDR4]	= "Low-Power-DDR4-RAM",
 	[MEM_LRDDR4]	= "Load-Reduced-DDR4-RAM",
+	[MEM_DDR5]	= "Unbuffered-DDR5",
 	[MEM_NVDIMM]	= "Non-volatile-RAM",
 	[MEM_WIO2]	= "Wide-IO-2",
 };
diff --git a/include/linux/edac.h b/include/linux/edac.h
index 8f63245f7f7c..e64b73b556eb 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -181,6 +181,7 @@ static inline char *mc_event_error_type(const unsigned int err_type)
  *			This is a variant of the DDR4 memories.
  * @MEM_LRDDR4:		Load-Reduced DDR4 memory.
  * @MEM_LPDDR4:		Low-Power DDR4 memory.
+ * @MEM_DDR5:		Unbuffered DDR5 RAM
  * @MEM_NVDIMM:		Non-volatile RAM
  * @MEM_WIO2:		Wide I/O 2.
  */
@@ -208,6 +209,7 @@ enum mem_type {
 	MEM_RDDR4,
 	MEM_LRDDR4,
 	MEM_LPDDR4,
+	MEM_DDR5,
 	MEM_NVDIMM,
 	MEM_WIO2,
 };
@@ -234,6 +236,7 @@ enum mem_type {
 #define MEM_FLAG_RDDR4          BIT(MEM_RDDR4)
 #define MEM_FLAG_LRDDR4         BIT(MEM_LRDDR4)
 #define MEM_FLAG_LPDDR4         BIT(MEM_LPDDR4)
+#define MEM_FLAG_DDR5           BIT(MEM_DDR5)
 #define MEM_FLAG_NVDIMM         BIT(MEM_NVDIMM)
 #define MEM_FLAG_WIO2		BIT(MEM_WIO2)