PG_locked 524 include/linux/page-flags.h (1 << PG_lru | 1 << PG_locked | \ PG_locked 431 include/linux/pagemap.h __set_bit(PG_locked, &page->flags); PG_locked 436 include/linux/pagemap.h __clear_bit(PG_locked, &page->flags); PG_locked 441 include/linux/pagemap.h return (likely(!test_and_set_bit_lock(PG_locked, &page->flags))); PG_locked 494 include/linux/pagemap.h return wait_on_page_bit_killable(page, PG_locked); PG_locked 514 include/linux/pagemap.h wait_on_page_bit(page, PG_locked);