Re: [PATCH v13 1/3] /proc/pid/status: Add support for architecture specific output

[Li, Aubrey]

On 2019/4/7 23:46, Alexey Dobriyan wrote:
> On Sun, Apr 07, 2019 at 09:02:38PM +0800, Li, Aubrey wrote:
>> On 2019/4/7 5:41, Alexey Dobriyan wrote:
>>> On Fri, Apr 05, 2019 at 09:32:35PM +0200, Thomas Gleixner wrote:
>>>>> +/* Add support for architecture specific output in /proc/pid/status */
>>>>> +extern void arch_proc_pid_status(struct seq_file *m, struct task_struct *task);
>>>      ^^^^^^
>>>
>>> Unnecessary extern.
>>>
>> The linkage is default extern, but with this functions and variables
>> can be treated the same way.
>>
>> Is it mandatory not to use it explicitly? ./script/checkpatch.pl did
>> not report this.
> 
> "extern" is only necessary for variables. For prototypes, it is more typing
> and more characters on the screen.
> 
> checkpatch.pl doesn't report it because opening floodgates is not the plan.
> 
> Yours,
> 	Extern Police.
>
 
No problem, Mr. Police, I can remove it in the next version.

Thanks,
-Aubrey