mmapobj
if (mmapobj(fd, mflags, smpp, &mapnum, padding) == -1) {
if (mmapobj(fd, mflags, smpp, &mapnum, padding) == -1) {
extern int mmapobj(int, uint_t, mmapobj_result_t *, uint_t *, void *);
extern int mmapobj(vnode_t *, uint_t, mmapobj_result_t *, uint_t *, size_t,
error = mmapobj(vp, flags, mrp, &num_mapped, padding, fp->f_cred);