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SubjectRe: [PATCH v2 1/4] mm/sparse: Clean up the obsolete code comment
On Tue, Mar 26, 2019 at 05:43:48PM +0800, Baoquan He wrote:
>On 03/26/19 at 05:36pm, Chao Fan wrote:
>> On Tue, Mar 26, 2019 at 05:30:57PM +0800, Baoquan He wrote:
>> >On 03/26/19 at 10:23am, Michal Hocko wrote:
>> >> On Tue 26-03-19 17:02:24, Baoquan He wrote:
>> >> > The code comment above sparse_add_one_section() is obsolete and
>> >> > incorrect, clean it up and write new one.
>> >> >
>> >> > Signed-off-by: Baoquan He <bhe@redhat.com>
>> >>
>> >> Please note that you need /** to start a kernel doc. Other than that.
>> >
>> >I didn't find a template in coding-style.rst, and saw someone is using
>> >/*, others use /**. I will use '/**' instead. Thanks for telling.
>>
>> How to format kernel-doc comments
>> ---------------------------------
>>
>> The opening comment mark ``/**`` is used for kernel-doc comments. The
>> ``kernel-doc`` tool will extract comments marked this way. The rest of
>> the comment is formatted like a normal multi-line comment with a column
>> of asterisks on the left side, closing with ``*/`` on a line by itself.
>>
>> See Documentation/doc-guide/kernel-doc.rst for more details.
>> Hope that can help you.
>
>Great, there's a specific kernel-doc file. Thanks, I will update and
>repost this one with '/**'.

In that file, there is also some sample for a function comment:

Function documentation
----------------------

The general format of a function and function-like macro kernel-doc comment is::

/**
* function_name() - Brief description of function.
* @arg1: Describe the first argument.
* @arg2: Describe the second argument.
* One can provide multiple line descriptions
* for arguments.
*
* A longer description, with more discussion of the function function_name()
* that might be useful to those using or modifying it. Begins with an
* empty comment line, and may include additional embedded empty
* comment lines.
*
* The longer description may have multiple paragraphs.
*
* Context: Describes whether the function can sleep, what locks it takes,
* releases, or expects to be held. It can extend over multiple
* lines.
* Return: Describe the return value of function_name.
*
* The return value description can also have multiple paragraphs, and should
* be placed at the end of the comment block.
*/


Anyway, I think you can get more information in that document.

Thanks,
Chao Fan

>
>


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