__node_distance
int __node_distance(int from, int to);
#define node_distance(from, to) __node_distance(from, to)
extern int __node_distance(int, int);
#define node_distance(a, b) __node_distance(a, b)
EXPORT_SYMBOL(__node_distance);
int __node_distance(int, int);
#define node_distance(a, b) __node_distance(a, b)
EXPORT_SYMBOL(__node_distance);
extern int __node_distance(int, int);
#define node_distance(a, b) __node_distance(a, b)
#define node_distance(a, b) __node_distance(a, b)
int __node_distance(int from, int to);
EXPORT_SYMBOL(__node_distance);