remove_empty     2160 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology.c     remove_empty(topology, pchild);
remove_empty     2162 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology.c     remove_empty(topology, pchild);
remove_empty     3135 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology.c   remove_empty(topology, &topology->levels[0][0]);