vm_soft_fault
status_t vm_soft_fault(VMAddressSpace* addressSpace, addr_t address,
status_t status = vm_soft_fault(vm->address_space, va,
status_t status = vm_soft_fault(vm->address_space, va,
status = vm_soft_fault(addressSpace, pageAddress, isWrite, isExecute,
error = vm_soft_fault(addressSpace, pageAddress, writable, false,
error = vm_soft_fault(addressSpace, nextAddress, writable,