objid_t
if (nonresident_lookupremove((objid_t)an, 0)) {
pageidentityhash1(objid_t obj, off_t idx)
pageidentityhash2(objid_t obj, off_t idx)
calccookie(objid_t obj, off_t idx)
nonresident_getbucket(objid_t obj, off_t idx)
nonresident_lookupremove(objid_t obj, off_t idx)
static objid_t
return (objid_t)obj;
objid_t obj = pageobj(pg);