Re: [PATCH 1/8] agpgart.h: do not include <stdlib.h> from exported header

From: Nick Desaulniers
Date: Mon Apr 04 2022 - 17:27:31 EST


On Mon, Apr 04, 2022 at 03:19:41PM +0900, Masahiro Yamada wrote:
> Commit 35d0f1d54ecd ("include/uapi/linux/agpgart.h: include stdlib.h in
> userspace") included <stdlib.h> to fix the unknown size_t error, but
> I do not think it is the right fix.
>
> This header already uses __kernel_size_t a few lines below.
>
> Replace the remaining size_t, and stop including <stdlib.h>.
>
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>

Thanks for the patch.
Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

> ---
>
> include/uapi/linux/agpgart.h | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/include/uapi/linux/agpgart.h b/include/uapi/linux/agpgart.h
> index f5251045181a..9cc3448c0b5b 100644
> --- a/include/uapi/linux/agpgart.h
> +++ b/include/uapi/linux/agpgart.h
> @@ -52,7 +52,6 @@
>
> #ifndef __KERNEL__
> #include <linux/types.h>
> -#include <stdlib.h>
>
> struct agp_version {
> __u16 major;
> @@ -64,10 +63,10 @@ typedef struct _agp_info {
> __u32 bridge_id; /* bridge vendor/device */
> __u32 agp_mode; /* mode info of bridge */
> unsigned long aper_base;/* base of aperture */
> - size_t aper_size; /* size of aperture */
> - size_t pg_total; /* max pages (swap + system) */
> - size_t pg_system; /* max pages (system) */
> - size_t pg_used; /* current pages used */
> + __kernel_size_t aper_size; /* size of aperture */
> + __kernel_size_t pg_total; /* max pages (swap + system) */
> + __kernel_size_t pg_system; /* max pages (system) */
> + __kernel_size_t pg_used; /* current pages used */
> } agp_info;
>
> typedef struct _agp_setup {
> --
> 2.32.0
>