Index: head/sys/arm64/include/vmparam.h
===================================================================
--- head/sys/arm64/include/vmparam.h
+++ head/sys/arm64/include/vmparam.h
@@ -156,9 +156,9 @@
 #define	VM_MIN_KERNEL_ADDRESS	(0xffffff8000000000UL)
 #define	VM_MAX_KERNEL_ADDRESS	(0xffffff8800000000UL)
 
-/* Direct Map for 64 GiB of PA: 0x0 - 0xfffffffff */
+/* Direct Map for 128 GiB of PA: 0x0 - 0x1fffffffff */
 #define	DMAP_MIN_ADDRESS	(0xffffffc000000000UL)
-#define	DMAP_MAX_ADDRESS	(0xffffffcfffffffffUL)
+#define	DMAP_MAX_ADDRESS	(0xffffffdfffffffffUL)
 
 #define	DMAP_MIN_PHYSADDR	(0x0000000000000000UL)
 #define	DMAP_MAX_PHYSADDR	(DMAP_MAX_ADDRESS - DMAP_MIN_ADDRESS)