On 15 Mar 2017, at 4:01, Geert Uytterhoeven wrote:

> On Tue, Mar 14, 2017 at 10:55 PM, Zi Yan <zi.yan@cs.rutgers.edu> wrote:
>>>>> include/linux/swapops.h:223:2: warning: missing braces around initializer [-Wmissing-braces]
>>>      return (pmd_t){ 0 };
>>>      ^
>>>    include/linux/swapops.h:223:2: warning: (near initialization for '(anonymous).pmd') [-Wmissing-braces]
>>
>> I do not have any warning with gcc 6.3.0. This seems to be a GCC bug
>> (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119).
>
> I guess you need
>
>     return (pmd_t) { { 0, }};
>
> to kill the warning.

Yeah, that should work. I find the same solution from StackOverflow.

Thanks.

--
Best Regards
Yan Zi