dmz_get
zmd->sb[1].zone = dmz_get(zmd, zone_id + 1);
zmd->sb[1].zone = dmz_get(zmd, zone_id + i);
zmd->sb[1].zone = dmz_get(zmd, zone_id);
sb->zone = dmz_get(zmd, zmd->dev[i].zone_offset);
zmd->sb[0].zone = dmz_get(zmd, 0);
dzone = dmz_get(zmd, dzone_id);
bzone = dmz_get(zmd, bzone_id);
dzone = dmz_get(zmd, i);
dzone = dmz_get(zmd, dzone_id);
zone = dmz_get(zmd, zmd->sb[0].zone->id + i);