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SubjectRe: [PATCH v3 06/13] pagemap: use walk->vma instead of calling find_vma()
On Fri, Jun 20, 2014 at 04:11:32PM -0400, Naoya Horiguchi wrote:
> Page table walker has the information of the current vma in mm_walk, so
> we don't have to call find_vma() in each pagemap_hugetlb_range() call.
> NULL-vma check is omitted because we assume that we never run hugetlb_entry()
> callback on the address without vma. And even if it were broken, null pointer
> dereference would be detected, so we can get enough information for debugging.
> Signed-off-by: Naoya Horiguchi <>

Acked-by: Kirill A. Shutemov <>

Kirill A. Shutemov

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