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	})			})

	#define VM_MIN_USER_ADDRESS (0x0000000000000000UL)			#define VM_MIN_USER_ADDRESS (0x0000000000000000UL)
	#define VM_MAX_USER_ADDRESS (0x0000004000000000UL)			#define VM_MAX_USER_ADDRESS (0x0000004000000000UL)

	#define VM_MINUSER_ADDRESS (VM_MIN_USER_ADDRESS)			#define VM_MINUSER_ADDRESS (VM_MIN_USER_ADDRESS)
	#define VM_MAXUSER_ADDRESS (VM_MAX_USER_ADDRESS)			#define VM_MAXUSER_ADDRESS (VM_MAX_USER_ADDRESS)

				/* Check if an address resides in a mappable region. */
				#define VIRT_IS_VALID(va) \
				(((va) < VM_MAX_USER_ADDRESS) \|\| ((va) >= VM_MIN_KERNEL_ADDRESS))

	#define KERNBASE (VM_MIN_KERNEL_ADDRESS)			#define KERNBASE (VM_MIN_KERNEL_ADDRESS)
	#define SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE)			#define SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE)
	#define USRSTACK SHAREDPAGE			#define USRSTACK SHAREDPAGE

	#define VM_EARLY_DTB_ADDRESS (VM_MAX_KERNEL_ADDRESS - (2 * L2_SIZE))			#define VM_EARLY_DTB_ADDRESS (VM_MAX_KERNEL_ADDRESS - (2 * L2_SIZE))

	/*			/*
	* How many physical pages per kmem arena virtual page.			* How many physical pages per kmem arena virtual page.
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