for (node = 0; node < numnodes; node = __next_node_with_cpus(node))
#ifndef node_distance
-#define node_distance(from,to) (from != to)
+#define node_distance(from,to) ((from) != (to))
#endif
#ifndef PENALTY_FOR_NODE_WITH_CPUS
#define PENALTY_FOR_NODE_WITH_CPUS (1)