for_each_leaf_node_cpu_mask  347 kernel/rcu/tree_exp.h 	for_each_leaf_node_cpu_mask(rnp, cpu, rnp->expmask) {
for_each_leaf_node_cpu_mask  375 kernel/rcu/tree_exp.h 	for_each_leaf_node_cpu_mask(rnp, cpu, mask_ofl_ipi) {