PVN_VPLIST_HASH_TAG
if (pp->p_hash == PVN_VPLIST_HASH_TAG)
if (pp->p_hash != PVN_VPLIST_HASH_TAG &&
if (pp->p_hash == PVN_VPLIST_HASH_TAG)
if (pp->p_hash != PVN_VPLIST_HASH_TAG && page_check(pp)) {
mark->p_hash = PVN_VPLIST_HASH_TAG;