proc_linkup0
proc_linkup0(&proc0, &thread0);
proc_linkup0(&proc0, &thread0);
proc_linkup0(&proc0, &thread0);
proc_linkup0(&proc0, &thread0);
proc_linkup0(&proc0, &thread0);
proc_linkup0(&proc0, &thread0);
void proc_linkup0(struct proc *p, struct thread *td);