userfaultfd_armed  546 mm/khugepaged.c 			if (!userfaultfd_armed(vma) &&
userfaultfd_armed 1151 mm/khugepaged.c 			if (!userfaultfd_armed(vma) &&
userfaultfd_armed 1537 mm/rmap.c      		} else if (pte_unused(pteval) && !userfaultfd_armed(vma)) {