From: Andrew Morton Cc: Nick Piggin Cc: Oleg Nesterov Signed-off-by: Andrew Morton --- Documentation/memory-barriers.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN Documentation/atomic_ops.txt~documentation-atomic_add_unless-doesnt-imply-mb-on-failure-fix Documentation/atomic_ops.txt diff -puN Documentation/memory-barriers.txt~documentation-atomic_add_unless-doesnt-imply-mb-on-failure-fix Documentation/memory-barriers.txt --- a/Documentation/memory-barriers.txt~documentation-atomic_add_unless-doesnt-imply-mb-on-failure-fix +++ a/Documentation/memory-barriers.txt @@ -1493,7 +1493,7 @@ explicit lock operations, described late atomic_dec_and_test(); atomic_sub_and_test(); atomic_add_negative(); - atomic_add_unless(); /* when succeeds (returns 1) */ + atomic_add_unless(); /* when it succeeds (returns 1) */ test_and_set_bit(); test_and_clear_bit(); test_and_change_bit(); _