Messages in this thread | | | Date | Fri, 10 Aug 2012 20:37:20 +0800 | Subject | Re: [patch] hugetlb: correct page offset index for sharing pmd | From | Hillf Danton <> |
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On Fri, Aug 10, 2012 at 8:27 PM, Michal Hocko <mhocko@suse.cz> 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.
> I think that 0c176d52 should be reverted because we do not have to refer > to the head page in this case and as we can see it causes confusion. >
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