void vm_fault_unwire (vm_map_t, vm_map_entry_t);
int vm_fault_wire (vm_map_t, vm_map_entry_t, boolean_t);
void vm_fork (struct proc *, struct proc *, int);
-void vm_fault_ratecheck(void);
-void vm_waitproc (struct proc *);
int vm_test_nominal (void);
void vm_wait_nominal (void);
void vm_init_limits(struct proc *);