Re: [PATCH 15/15] work around for more than 256MB memory support

["Franck Bui-Huu" <vagabon.xyz@gmail.com>]

On 6/6/07, tiansm@lemote.com <tiansm@lemote.com> wrote:
> From: Fuxin Zhang <zhangfx@lemote.com>
>
> Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
> ---
>  drivers/char/mem.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/char/mem.c b/drivers/char/mem.c
> index cc9a9d0..a19b46a 100644
> --- a/drivers/char/mem.c
> +++ b/drivers/char/mem.c
> @@ -82,8 +82,12 @@ static inline int uncached_access(struct file *file, 
> unsigned long addr)
>          */
>         if (file->f_flags & O_SYNC)
>                 return 1;
> +#if defined(CONFIG_LEMOTE_FULONG) && defined(CONFIG_64BIT)
> +       return (addr >= __pa(high_memory)) || ((addr >=0x10000000) && (addr < 
> 0x20000000));
> +#else
>         return addr >= __pa(high_memory);
>  #endif
> +#endif
>  }
That would be nice to have a nice log to justify such a hack....

Thanks
--
              Franck