kdi_pread
return (kdi_prw(buf, nbytes, addr, mdb.m_kdi->kdi_pread));
kdi_pread,
int (*kdi_pread)(caddr_t, size_t, uint64_t, size_t *);
extern int kdi_pread(caddr_t, size_t, uint64_t, size_t *);
if (kdi_pread((caddr_t)&pte, mmu.pte_size, *pap, &len) != 0)