Hi Zi,

On Tue, 01 Aug 2017 09:08:01 -0400 "Zi Yan" <zi.yan@cs.rutgers.edu> wrote:
>
> I found two possible fixes.
> 
> 1. This uses C++ zero initializer, GCC is OK with it.
> I tested with GCC 4.9.3 (has the initialization bug) and GCC 6.4.0.
> 
> --- a/include/linux/swapops.h~a
> +++ a/include/linux/swapops.h
> @@ -217,7 +217,7 @@ static inline swp_entry_t pmd_to_swp_ent
> 
>  static inline pmd_t swp_entry_to_pmd(swp_entry_t entry)
>  {
> -	return (pmd_t){ 0 };
> +	return (pmd_t){};
>  }

I have done that for today ... please decide which is best (or find
something better - maybe every platform really needs to have a __pmd()
definition) and submit a real fix patch to Andrew.

-- 
Cheers,
Stephen Rothwell