mm: use the correct page size when removing the page
We are removing a pmd hugepage here. Use the correct page size. Link: http://lkml.kernel.org/r/20161026084839.27299-2-aneesh.kumar@linux.vnet.ibm.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1399,12 +1399,12 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
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if (vma_is_dax(vma)) {
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spin_unlock(ptl);
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if (is_huge_zero_pmd(orig_pmd))
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tlb_remove_page(tlb, pmd_page(orig_pmd));
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tlb_remove_page_size(tlb, pmd_page(orig_pmd), HPAGE_PMD_SIZE);
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} else if (is_huge_zero_pmd(orig_pmd)) {
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pte_free(tlb->mm, pgtable_trans_huge_withdraw(tlb->mm, pmd));
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atomic_long_dec(&tlb->mm->nr_ptes);
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spin_unlock(ptl);
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tlb_remove_page(tlb, pmd_page(orig_pmd));
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tlb_remove_page_size(tlb, pmd_page(orig_pmd), HPAGE_PMD_SIZE);
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} else {
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struct page *page = pmd_page(orig_pmd);
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page_remove_rmap(page, true);
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