topology_work_fn 1450 arch/powerpc/mm/numa.c static DECLARE_WORK(topology_work, topology_work_fn);
topology_work_fn   50 arch/s390/kernel/topology.c static void topology_work_fn(struct work_struct *work);
topology_work_fn   53 arch/s390/kernel/topology.c static DECLARE_WORK(topology_work, topology_work_fn);