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

[Michal Hocko]

[CCing Kamezawa and David]

On Fri 10-08-12 20:53:36, Hillf Danton wrote:
> 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 ;)

there you go
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