visinfo_kstat
struct visinfo_kstat visinfo = {
kstat_t *visinfo_kstat = NULL;
ASSERT(visinfo_kstat == NULL);
if ((visinfo_kstat = kstat_create("unix", 0, "vis_info", "misc",
visinfo_kstat->ks_data = (void *)&visinfo;
kstat_install(visinfo_kstat);
extern struct visinfo_kstat visinfo;