diff --git a/grub-core/mmap/efi/mmap.c b/grub-core/mmap/efi/mmap.c
index 900a4d6..2beffe2 100644
--- a/grub-core/mmap/efi/mmap.c
+++ b/grub-core/mmap/efi/mmap.c
@@ -118,6 +118,11 @@ grub_efi_mmap_iterate (grub_memory_hook_t hook, void *hook_data,
 		GRUB_MEMORY_NVS, hook_data);
 	  break;
 
+	case GRUB_EFI_MEMORY_PERSISTENT:
+	  hook (desc->physical_start, desc->num_pages * 4096,
+		GRUB_MEMORY_PERSISTENT, hook_data);
+	  break;
+
 	default:
 	  grub_printf ("Unknown memory type %d, considering reserved\n",
 		       desc->type);
@@ -158,6 +163,8 @@ make_efi_memtype (int type)
 
     case GRUB_MEMORY_NVS:
       return GRUB_EFI_ACPI_MEMORY_NVS;
+    case GRUB_MEMORY_PERSISTENT:
+      return GRUB_EFI_MEMORY_PERSISTENT;
     }
 
   return GRUB_EFI_UNUSABLE_MEMORY;
diff --git a/include/grub/efi/api.h b/include/grub/efi/api.h
index 24a05c5..d1b9799 100644
--- a/include/grub/efi/api.h
+++ b/include/grub/efi/api.h
@@ -476,6 +476,7 @@ enum grub_efi_memory_type
     GRUB_EFI_MEMORY_MAPPED_IO,
     GRUB_EFI_MEMORY_MAPPED_IO_PORT_SPACE,
     GRUB_EFI_PAL_CODE,
+    GRUB_EFI_MEMORY_PERSISTENT,
     GRUB_EFI_MAX_MEMORY_TYPE
   };
 typedef enum grub_efi_memory_type grub_efi_memory_type_t;
diff --git a/include/grub/memory.h b/include/grub/memory.h
index 083cfb6..2e734b7 100644
--- a/include/grub/memory.h
+++ b/include/grub/memory.h
@@ -30,6 +30,7 @@ typedef enum grub_memory_type
     GRUB_MEMORY_ACPI = 3,
     GRUB_MEMORY_NVS = 4,
     GRUB_MEMORY_BADRAM = 5,
+    GRUB_MEMORY_PERSISTENT = 7,
     GRUB_MEMORY_COREBOOT_TABLES = 16,
     GRUB_MEMORY_CODE = 20,
     /* This one is special: it's used internally but is never reported