umem_log_walk_t
umem_log_walk_t *ulw;
ulw = mdb_zalloc(sizeof (umem_log_walk_t), UM_SLEEP);
mdb_free(ulw, sizeof (umem_log_walk_t));
mdb_free(ulw, sizeof (umem_log_walk_t));
umem_log_walk_t *ulw = wsp->walk_data;
umem_log_walk_t *ulw = wsp->walk_data;
mdb_free(ulw, sizeof (umem_log_walk_t));