mm/filemap: fix parameters to test_bit()

olofj · torvalds · commit 98473f9f3f9b · 2016-12-29T14:46:39.000-08:00
mm/filemap.c: In function 'clear_bit_unlock_is_negative_byte': mm/filemap.c:933:9: error: too few arguments to function 'test_bit' return test_bit(PG_waiters); ^~~~~~~~ Fixes: b91e130 ('mm: optimize PageWaiters bit use for unlock_page()') Signed-off-by: Olof Johansson <olof@lixom.net> Brown-paper-bag-by: Linus Torvalds <dummy@duh.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/filemap.c b/mm/filemap.c
@@ -930,7 +930,7 @@ static inline bool clear_bit_unlock_is_negative_byte(long nr, volatile void *mem
 {
 	clear_bit_unlock(nr, mem);
 	/* smp_mb__after_atomic(); */
-	return test_bit(PG_waiters);
+	return test_bit(PG_waiters, mem);
 }
 
 #endif

Original file line number	Diff line number	Diff line change
`@@ -930,7 +930,7 @@ static inline bool clear_bit_unlock_is_negative_byte(long nr, volatile void *mem`
`930`	`930`	`{`
`931`	`931`	`clear_bit_unlock(nr, mem);`
`932`	`932`	`/* smp_mb__after_atomic(); */`
`933`		`- return test_bit(PG_waiters);`
	`933`	`+ return test_bit(PG_waiters, mem);`
`934`	`934`	`}`
`935`	`935`
`936`	`936`	`#endif`