| Date | Mon, 30 Jun 2014 15:03:49 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [PATCH v3 06/13] pagemap: use walk->vma instead of calling find_vma() |
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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@ah.jp.nec.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
-- Kirill A. Shutemov
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