Re: [PATCH 3/3] types: use fixed width types without double-underscore prefix

[Andrew Morton]

On Tue, 15 May 2018 11:22:05 +0900 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote:

> This header file is not exported.  It is safe to reference types
> without double-underscore prefix.
> 

It may be safe to do this, but why is it desirable?

> index be15897..9834e90 100644
> --- a/include/linux/types.h
> +++ b/include/linux/types.h
> @@ -10,14 +10,14 @@
>  #define DECLARE_BITMAP(name,bits) \
>  	unsigned long name[BITS_TO_LONGS(bits)]
>  
> -typedef __u32 __kernel_dev_t;
> +typedef u32 __kernel_dev_t;
>
> ...
>