TRAP_TSIZE
ctlp->d.limit = TRAP_TSIZE; /* XXX dynamic someday */
newbuf = (caddr_t)(ttrace_buf + (tt_index * TRAP_TSIZE));
i = (newbuf - ttrace_buf) / (TRAP_TSIZE);
if (((newbuf - ttrace_buf) % (TRAP_TSIZE) == 0) &&
bzero(newbuf, (TRAP_TSIZE));
bzero(trap_tr0, (TRAP_TSIZE));
return (TRAP_TSIZE * (max_ncpus - 1));