Re: [patch] hugetlb: correct page offset index for sharing pmd

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On Fri, Aug 10, 2012 at 8:51 PM, Michal Hocko <mhocko@xxxxxxx> wrote:
> On Fri 10-08-12 20:37:20, Hillf Danton wrote:
>> On Fri, Aug 10, 2012 at 8:27 PM, Michal Hocko <mhocko@xxxxxxx> wrote:
>> >
>> > I guess you mean unmap_ref_private and that has been changed by you
>> > (0c176d5 mm: hugetlb: fix pgoff computation when unmapping page from
>> > vma)...  I was wrong at that time when giving my Reviewed-by. The patch
>> > didn't break anything because you still find all relevant vmas because
>> > vma_hugecache_offset just provides a smaller index which is still within
>> > boundaries.
>>
>> No, as shown by the log message of 0c176d52b,  that fix was
>> triggered by  (vma->vm_pgoff >> PAGE_SHIFT), thus I dont see
>> what you really want to revert.
>
> fix for that would be a part of the revert of course.
>

Fine, go ahead ;)

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