Add __weak as an official attribute.  This tends to be used in a location
where the automated attribute detector misses it.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
                        __(?:mem|cpu|dev|)(?:initdata|init)|
                        ____cacheline_aligned|
                        ____cacheline_aligned_in_smp|
-                       ____cacheline_internodealigned_in_smp
+                       ____cacheline_internodealigned_in_smp|
+                       __weak
                  }x;
 our $Modifier;
 our $Inline    = qr{inline|__always_inline|noinline};