Re: [PATCH v4 05/11] mm: thp: enable thp migration in generic path

[Geert Uytterhoeven]

On Tue, Mar 14, 2017 at 10:55 PM, Zi Yan <zi.yan@xxxxxxxxxxxxxx> 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.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds