VM_MIN_KERNEL_ADDRESS
#define VM_MIN_KERNEL_ADDRESS kva_layout.km_low
#define VM_MIN_KERNEL_ADDRESS KERNBASE
#define VM_MIN_KERNEL_ADDRESS (0xffff000000000000UL)
#define VM_MIN_KERNEL_ADDRESS 0
#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)KERNEL_SR << ADDR_SR_SHFT)
#define VM_MIN_KERNEL_ADDRESS 0xc0000000
#define VM_MIN_KERNEL_ADDRESS 0xc008000000000000
#define VM_MIN_KERNEL_ADDRESS (0xffffffc000000000UL)