devinfo_walk_data_t
devinfo_walk_data_t *diw;
diw = mdb_alloc(sizeof (devinfo_walk_data_t), UM_SLEEP);
mdb_free(diw, sizeof (devinfo_walk_data_t));
mdb_free(diw, sizeof (devinfo_walk_data_t));
devinfo_walk_data_t *diw = wsp->walk_data;
devinfo_walk_data_t *diw = wsp->walk_data;
mdb_free(diw, sizeof (devinfo_walk_data_t));