1144 		if (test_bit(key->bit_nr, &key->page->flags))  in wake_page_function()
1147 			if (test_and_set_bit(key->bit_nr, &key->page->flags))  in wake_page_function()
1179 static void wake_up_page_bit(struct page *page, int bit_nr)  in wake_up_page_bit()  argument
1187 	key.bit_nr = bit_nr;  in wake_up_page_bit()
1259 static inline bool trylock_page_bit_common(struct page *page, int bit_nr,  in trylock_page_bit_common()  argument
1263 		if (test_and_set_bit(bit_nr, &page->flags))  in trylock_page_bit_common()
1265 	} else if (test_bit(bit_nr, &page->flags))  in trylock_page_bit_common()
1276 	struct page *page, int bit_nr, int state, enum behavior behavior)  in wait_on_page_bit_common()  argument
1285 	if (bit_nr == PG_locked &&  in wait_on_page_bit_common()
1298 	wait_page.bit_nr = bit_nr;  in wait_on_page_bit_common()
1324 	if (!trylock_page_bit_common(page, bit_nr, wait))  in wait_on_page_bit_common()
1374 		if (unlikely(test_and_set_bit(bit_nr, &page->flags)))  in wait_on_page_bit_common()
1414 void wait_on_page_bit(struct page *page, int bit_nr)  in wait_on_page_bit()  argument
1417 	wait_on_page_bit_common(q, page, bit_nr, TASK_UNINTERRUPTIBLE, SHARED);  in wait_on_page_bit()
1421 int wait_on_page_bit_killable(struct page *page, int bit_nr)  in wait_on_page_bit_killable()  argument
1424 	return wait_on_page_bit_common(q, page, bit_nr, TASK_KILLABLE, SHARED);  in wait_on_page_bit_killable()
1668 	wait->bit_nr = PG_locked;  in __lock_page_async()