Re: [PATCH -mm v2 2/3] cn_proc: replaced old hard-coded 16 with TASK_COMM_LEN_16

[Michal Miroslaw]

On Sat, Dec 11, 2021 at 06:39:48AM +0000, Yafang Shao wrote:
> This TASK_COMM_LEN_16 has the same meaning with the macro defined in
> linux/sched.h, but we can't include linux/sched.h in a UAPI header, so
> we should specifically define it in the cn_proc.h.
[...]
> index db210625cee8..6dcccaed383f 100644
> --- a/include/uapi/linux/cn_proc.h
> +++ b/include/uapi/linux/cn_proc.h
> @@ -21,6 +21,8 @@
>  
>  #include <linux/types.h>
>  
> +#define TASK_COMM_LEN_16 16

Hi,

Since this is added to UAPI header, maybe you could make it a single
instance also used elsewhere? Even though this is constant and not
going to change I don't really like multiplying the sources of truth.

Best Regards
Michał Mirosław