Messages in this thread | | | Date | Fri, 10 Aug 2012 14:51:02 +0200 | From | Michal Hocko <> | Subject | Re: [patch] hugetlb: correct page offset index for sharing pmd |
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On Fri 10-08-12 20:37:20, Hillf Danton wrote: > 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.
fix for that would be a part of the revert of course.
> > 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.
-- Michal Hocko SUSE Labs
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