diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 9c0b17295ba039..95d1acb0f3d237 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1154,7 +1154,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, new_page = NULL; if (unlikely(!new_page)) { - if (is_huge_zero_pmd(orig_pmd)) { + if (!page) { ret = do_huge_pmd_wp_zero_page_fallback(mm, vma, address, pmd, orig_pmd, haddr); } else { @@ -1181,7 +1181,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, count_vm_event(THP_FAULT_ALLOC); - if (is_huge_zero_pmd(orig_pmd)) + if (!page) clear_huge_page(new_page, haddr, HPAGE_PMD_NR); else copy_user_huge_page(new_page, page, haddr, vma, HPAGE_PMD_NR); @@ -1207,7 +1207,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, page_add_new_anon_rmap(new_page, vma, haddr); set_pmd_at(mm, haddr, pmd, entry); update_mmu_cache_pmd(vma, address, pmd); - if (is_huge_zero_pmd(orig_pmd)) { + if (!page) { add_mm_counter(mm, MM_ANONPAGES, HPAGE_PMD_NR); put_huge_zero_page(); } else {