ksm_nr_node_ids
for (nid = 0; nid < ksm_nr_node_ids; nid++) {
for (nid = 0; nid < ksm_nr_node_ids; nid++)
ksm_nr_node_ids = knob ? 1 : nr_node_ids;
static int ksm_nr_node_ids = 1;