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SubjectRe: 2.6.15-rc4 panic in __nr_to_section() with CONFIG_SPARSEMEM
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On Thu, 2005-12-08 at 11:47 -0800, Dave Hansen wrote:
> On Thu, 2005-12-08 at 19:33 +0000, Hugh Dickins wrote:
> > Oh, it isn't worth that effort, just test is_vm_hugetlb_page(vma)
> > in show_smap, and skip it if so - or make up appropriate numbers
> > from (vm_end - vm_start) in that case if you like.
>
> I think the reason Badari was looking at it was that some DB guys want
> to get some statistics out of there. They'll certainly care about
> HugeTLB pages.
>
> With the HugeTLB prefault mechanism having gone away, we can't assume
> that the pages are resident. So, I don't think just using the VMA's
> size will work.

Yep. You replied before I can :)

Thanks,
Badari

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