Re: [PATCH v3 06/13] pagemap: use walk->vma instead of calling find_vma()

[Kirill A. Shutemov]

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 <n-horiguchi@xxxxxxxxxxxxx>

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

-- 
 Kirill A. Shutemov
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