printf("slowscan %d, fastscan %d, maxpgio %d\n",
slowscan, fastscan, maxpgio);
printf("lotsfree %d, desfree %d, minfree %d\n",
printf("slowscan %d, fastscan %d, maxpgio %d\n",
slowscan, fastscan, maxpgio);
printf("lotsfree %d, desfree %d, minfree %d\n",