Re: [PATCH bpf-next v7 1/2] selftests/bpf: Add min() and max() macros in bpf_util.h

[Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx>]

On Wed, Jun 28, 2023 at 4:41 AM Hou Tao <houtao@xxxxxxxxxxxxxxx> wrote:
>
> From: Hou Tao <houtao1@xxxxxxxxxx>
>
> max() will be used by the following htab-mem benchmark patch.
>
> Signed-off-by: Hou Tao <houtao1@xxxxxxxxxx>
> ---
>  tools/testing/selftests/bpf/bpf_util.h | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/tools/testing/selftests/bpf/bpf_util.h b/tools/testing/selftests/bpf/bpf_util.h
> index 10587a29b967..e87e9f8c13a7 100644
> --- a/tools/testing/selftests/bpf/bpf_util.h
> +++ b/tools/testing/selftests/bpf/bpf_util.h
> @@ -59,4 +59,11 @@ static inline void bpf_strlcpy(char *dst, const char *src, size_t sz)
>         (offsetof(TYPE, MEMBER) + sizeof_field(TYPE, MEMBER))
>  #endif
>
> +#ifndef min
> +#define min(x, y) ((x) < (y) ? (x) : (y))
> +#endif
> +#ifndef max
> +#define max(x, y) ((x) < (y) ? (y) : (x))
> +#endif

That's for user space only?
Just use the standard MIN/MAX macros.