for_each_cpu_node_but
for_each_cpu_node_but(a, offline_node) {
for_each_cpu_node_but(b, offline_node) {
for_each_cpu_node_but(c, offline_node) {
for_each_cpu_node_but(i, offline_node) {
for_each_cpu_node_but(j, offline_node) {
for_each_cpu_node_but(j, offline_node) {
for_each_cpu_node_but(k, offline_node) {