MADV_FREE
# ifdef MADV_FREE
SC_ALLOW_ARG(__NR_madvise, 2, MADV_FREE),
madvise(z, ZoneSize, MADV_FREE);
uap.behav = MADV_FREE;
case MADV_FREE:
if (advise == MADV_FREE) {
if (advise == MADV_FREE && object->type == OBJT_SWAP)
} else if (advise == MADV_FREE) {