PQ_ENCRYPT
flags_to_clear |= PQ_ANON|PQ_AOBJ|PQ_ENCRYPT|PG_ZERO|PG_FAKE|PG_BUSY|
if (error != ENOMEM && (pg->pg_flags & PQ_ENCRYPT)) {
atomic_clearbits_int(&pg->pg_flags, PQ_ENCRYPT);
atomic_setbits_int(&pps[i]->pg_flags, PQ_ENCRYPT);