linux-kernel - Re: linux-next: build warning after merge of the mm tree

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Date: Wed, 12 Jun 2024 08:47:43 +0800
From: Baolin Wang <baolin.wang@...ux.alibaba.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the mm tree



On 2024/6/12 05:58, Andrew Morton wrote:
> On Thu, 6 Jun 2024 13:01:50 +0800 Baolin Wang <baolin.wang@...ux.alibaba.com> wrote:
> 
>>
>>
>> On 2024/6/6 11:23, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> After merging the mm tree, today's linux-next build (htmldocs) produced
>>> this warning:
>>>
>>> Documentation/admin-guide/mm/transhuge.rst:342: ERROR: Unexpected indentation.
>>>
>>> Introduced by commit
>>>
>>>     716119bee914 ("mm: shmem: add multi-size THP sysfs interface for anonymous shmem")
>>>
>>> from the mm-unstable branch of the mm tree.
>>>
>>
>> Thanks for reporting.
>>
>> Andrew, could you help to fold below changes into this serires, which
>> can fix the htmldocs building error? Thanks.
>>
>> ...
>>
>> --- a/Documentation/admin-guide/mm/transhuge.rst
>> +++ b/Documentation/admin-guide/mm/transhuge.rst
>> @@ -338,6 +338,7 @@ and its value for each mTHP is essentially
>> consistent with the global setting.
>>    An 'inherit' option is added to ensure compatibility with these global
>> settings.
>>    Conversely, the options 'force' and 'deny' are dropped, which are
>> rather testing
>>    artifacts from the old ages.
>> +
>>    always
>>        Attempt to allocate <size> huge pages every time we need a new page;
> 
> That's rather whitespace mangled, but I fixed it.  I also added
> 
> From: Andrew Morton <akpm@...ux-foundation.org>
> Subject: mm-shmem-add-multi-size-thp-sysfs-interface-for-anonymous-shmem-fix-fix
> Date: Tue Jun 11 02:56:34 PM PDT 2024
> 
> reflow transhuge.rst addition to 80 cols
> 
> Cc: Baolin Wang <baolin.wang@...ux.alibaba.com>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>

LGTM.

Thanks Andrew :)

> ---
> 
>   Documentation/admin-guide/mm/transhuge.rst |   13 +++++++------
>   1 file changed, 7 insertions(+), 6 deletions(-)
> 
> --- a/Documentation/admin-guide/mm/transhuge.rst~mm-shmem-add-multi-size-thp-sysfs-interface-for-anonymous-shmem-fix-fix
> +++ a/Documentation/admin-guide/mm/transhuge.rst
> @@ -332,12 +332,13 @@ deny
>   force
>       Force the huge option on for all - very useful for testing;
>   
> -Shmem can also use "multi-size THP" (mTHP) by adding a new sysfs knob to control
> -mTHP allocation: '/sys/kernel/mm/transparent_hugepage/hugepages-<size>kB/shmem_enabled',
> -and its value for each mTHP is essentially consistent with the global setting.
> -An 'inherit' option is added to ensure compatibility with these global settings.
> -Conversely, the options 'force' and 'deny' are dropped, which are rather testing
> -artifacts from the old ages.
> +Shmem can also use "multi-size THP" (mTHP) by adding a new sysfs knob to
> +control mTHP allocation:
> +'/sys/kernel/mm/transparent_hugepage/hugepages-<size>kB/shmem_enabled',
> +and its value for each mTHP is essentially consistent with the global
> +setting.  An 'inherit' option is added to ensure compatibility with these
> +global settings.  Conversely, the options 'force' and 'deny' are dropped,
> +which are rather testing artifacts from the old ages.
>   
>   always
>       Attempt to allocate <size> huge pages every time we need a new page;
> _