folio_wait_bit_common
folio_wait_bit_common(folio, bit_nr, TASK_UNINTERRUPTIBLE, SHARED);
return folio_wait_bit_common(folio, bit_nr, TASK_KILLABLE, SHARED);
return folio_wait_bit_common(folio, PG_locked, state, DROP);
folio_wait_bit_common(folio, PG_locked, TASK_UNINTERRUPTIBLE,
return folio_wait_bit_common(folio, PG_locked, TASK_KILLABLE,