pte_get_hash_gslot
unsigned long pte_get_hash_gslot(unsigned long vpn, unsigned long shift,
unsigned long gslot = pte_get_hash_gslot(vpn, shift, ssize,
gslot = pte_get_hash_gslot(vpn, shift, ssize, rpte,
gslot = pte_get_hash_gslot(vpn, shift, ssize, rpte, 0);
gslot = pte_get_hash_gslot(vpn, shift, ssize, pte, index);
gslot = pte_get_hash_gslot(vpn, shift, ssize, rpte, 0);