diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 77a76bcf15f5..ef72d3df4b65 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -561,6 +561,10 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma, result = SCAN_PTE_NON_PRESENT; goto out; } + if (pte_uffd_wp(pteval)) { + result = SCAN_PTE_UFFD_WP; + goto out; + } page = vm_normal_page(vma, address, pteval); if (unlikely(!page) || unlikely(is_zone_device_page(page))) { result = SCAN_PAGE_NULL;