1070 		if (test_bit(key->bit_nr, &key->page->flags))  in wake_page_function()
1073 			if (test_and_set_bit(key->bit_nr, &key->page->flags))  in wake_page_function()
1105 static void wake_up_page_bit(struct page *page, int bit_nr)  in wake_up_page_bit()  argument
1113 	key.bit_nr = bit_nr;  in wake_up_page_bit()
1185 static inline bool trylock_page_bit_common(struct page *page, int bit_nr,  in trylock_page_bit_common()  argument
1189 		if (test_and_set_bit(bit_nr, &page->flags))  in trylock_page_bit_common()
1191 	} else if (test_bit(bit_nr, &page->flags))  in trylock_page_bit_common()
1202 	struct page *page, int bit_nr, int state, enum behavior behavior)  in wait_on_page_bit_common()  argument
1211 	if (bit_nr == PG_locked &&  in wait_on_page_bit_common()
1224 	wait_page.bit_nr = bit_nr;  in wait_on_page_bit_common()
1250 	if (!trylock_page_bit_common(page, bit_nr, wait))  in wait_on_page_bit_common()
1300 		if (unlikely(test_and_set_bit(bit_nr, &page->flags)))  in wait_on_page_bit_common()
1340 __sched void wait_on_page_bit(struct page *page, int bit_nr)  in wait_on_page_bit()  argument
1343 	wait_on_page_bit_common(q, page, bit_nr, TASK_UNINTERRUPTIBLE, SHARED);  in wait_on_page_bit()
1347 __sched int wait_on_page_bit_killable(struct page *page, int bit_nr)  in wait_on_page_bit_killable()  argument
1350 	return wait_on_page_bit_common(q, page, bit_nr, TASK_KILLABLE, SHARED);  in wait_on_page_bit_killable()
1361 	wait->bit_nr = PG_locked;  in __wait_on_page_locked_async()