text: /* Test numa_distance */
  #include <numa.h>
  #include <stdio.h>
  #include <stdlib.h>
  
  int main(void)
  {
  	int numnodes, a, b;
  	if (numa_available() < 0) {
  		printf("no numa support in kernel\n");
  		exit(1);
  	}
  
          numnodes = numa_num_configured_nodes();
  	for (a = 0; a < numnodes; a++) { 
  		printf("%03d: ", a); 
  		if (numa_distance(a, a) != 10) { 
  			printf("%d: self distance is not 10 (%d)\n", 
  			       a, numa_distance(a,a));
  			exit(1);
  		}
  		for (b = 0; b < numnodes; b++) { 
  			int d1 = numa_distance(a, b); 
  			int d2 = numa_distance(b, a);
  			printf("%03d ", d1);
  			if (d1 != d2) {
  				printf("\n(%d,%d)->(%d,%d) wrong!\n",a,b,d1,d2); 
  				exit(1);
  			}
  		}
  		printf("\n");
  	} 
  	return 0;	
  }
  
  