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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/