On Sun, Aug 06, 2017 at 06:44:12PM +0200, Mikko Rapeli wrote:
> Fixes userspace compilation error:
> 
> error: unknown type name ‘size_t’
>   size_t bufsz;
> 
> Signed-off-by: Mikko Rapeli <mikko.rap...@iki.fi>
> Cc: ke...@lists.infradead.org
> Cc: Eric Biederman <ebied...@xmission.com>
> ---
>  include/uapi/linux/kexec.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/uapi/linux/kexec.h b/include/uapi/linux/kexec.h
> index aae5ebf2022b..f964d83b2757 100644
> --- a/include/uapi/linux/kexec.h
> +++ b/include/uapi/linux/kexec.h
> @@ -51,9 +51,9 @@
>   */
>  struct kexec_segment {
>       const void *buf;
> -     size_t bufsz;
> +     __kernel_size_t bufsz;
>       const void *mem;
> -     size_t memsz;
> +     __kernel_size_t memsz;

No, this is definitely wrong as it breaks x32.
I submitted an alternative fix some time ago, see
http://lkml.kernel.org/r/20170222224646.gc14...@altlinux.org


-- 
ldv

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