Re: [PATCH v12 09/11] mm: Allow arch code to override copy_highpage()

[Dave Hansen]

On 02/21/2018 09:15 AM, Khalid Aziz wrote:
> +#ifndef __HAVE_ARCH_COPY_HIGHPAGE
> +
>  static inline void copy_highpage(struct page *to, struct page *from)
>  {
>  	char *vfrom, *vto;
> @@ -248,4 +250,6 @@ static inline void copy_highpage(struct page *to, struct page *from)
>  	kunmap_atomic(vfrom);
>  }
>  
> +#endif

I think we prefer that these are CONFIG_* options.