Messages in this thread | | | Date | Wed, 10 Dec 2014 13:05:56 +0200 | From | "Kirill A. Shutemov" <> | Subject | Re: [RFC] mm:fix zero_page huge_zero_page rss/pss statistic |
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On Wed, Dec 10, 2014 at 03:22:21PM +0800, Wang, Yalin wrote: > smaps_pte_entry() doesn't ignore zero_huge_page, > but it ignore zero_page, because vm_normal_page() will > ignore it. We remove vm_normal_page() call, because walk_page_range() > have ignore VM_PFNMAP vma maps, it's safe to just use pfn_valid(), > so that we can also consider zero_page to be a valid page.
We fixed huge zero page accounting in smaps recentely. See mm tree.
-- Kirill A. Shutemov
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