Re: [PATCH -next] userfaultfd: remove set but not used variable 'h'

From: Mike Kravetz
Date: Wed Oct 09 2019 - 22:27:56 EST


On 10/9/19 6:23 PM, Wei Yang wrote:
> On Wed, Oct 09, 2019 at 05:45:57PM -0700, Mike Kravetz wrote:
>> On 10/9/19 5:27 AM, YueHaibing wrote:
>>> Fixes gcc '-Wunused-but-set-variable' warning:
>>>
>>> mm/userfaultfd.c: In function '__mcopy_atomic_hugetlb':
>>> mm/userfaultfd.c:217:17: warning:
>>> variable 'h' set but not used [-Wunused-but-set-variable]
>>>
>>> It is not used since commit 78911d0e18ac ("userfaultfd: use vma_pagesize
>>> for all huge page size calculation")
>>>
>>
>> Thanks! That should have been removed with the recent cleanups.
>>
>>> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
>>
>> Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
>
> If I am correct, this is removed in a recent patch.

I'm having a hard time figuring out what is actually in the latest mmotm
tree. Andrew added a build fixup patch ab169389eb5 in linux-next which
adds the reference to h. Is there a patch after that to remove the reference?

--
Mike Kravetz