# Re: \[Xen-devel\] \[PATCH 25/45\] gntalloc.h: include stdint.h in userspace

- From: David Vrabel \<hidden\>
- Date: 2015-02-18 11:53:27 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2015/02/4433139
- Thread: https://ratatoskr.run/linux-api/2015/02/4432053/t.md

```text
On 16/02/15 23:05, Mikko Rapeli wrote:
> Fixes compilation error:
> 
> xen/gntalloc.h:22:2: error: unknown type name ‘uint16_t’
> 
> Signed-off-by: Mikko Rapeli <redacted>
> ---
>  include/uapi/xen/gntalloc.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/include/uapi/xen/gntalloc.h b/include/uapi/xen/gntalloc.h
> index 76bd580..184df7e 100644
> --- a/include/uapi/xen/gntalloc.h
> +++ b/include/uapi/xen/gntalloc.h
> @@ -11,6 +11,12 @@
>  #ifndef __LINUX_PUBLIC_GNTALLOC_H__
>  #define __LINUX_PUBLIC_GNTALLOC_H__
>  
> +#ifdef __KERNEL__
> +#include <linux/types.h>
> +#else
> +#include <stdint.h>
> +#endif

I think it would be preferrable to #include <linux/types.h> only and
switch to using the __u32 etc. types (as others have suggested).

David
```