pt_map
if (kd->pt_map != NULL)
free(kd->pt_map);
kd->pt_map = _kvm_malloc(kd, map_len);
if (kd->pt_map == NULL) {
rd = pread(kd->pmfd, kd->pt_map, map_len, map_off);
addr = kd->pt_map;
uint64_t *bitmap = kd->pt_map;
uint64_t *pt_map;
sizeof(struct pt_map));
struct pt_map *new;
ta->map = calloc(20, sizeof(struct pt_map));
2 * sizeof(struct pt_map));
struct pt_map *map;