433 	unsigned long new_flags;  in userfaultfd_release()  local
455 		new_flags = vma->vm_flags & ~(VM_UFFD_MISSING | VM_UFFD_WP);  in userfaultfd_release()
457 				 new_flags, vma->anon_vma,  in userfaultfd_release()
465 		vma->vm_flags = new_flags;  in userfaultfd_release()
725 	unsigned long vm_flags, new_flags;  in userfaultfd_register()  local
832 		new_flags = (vma->vm_flags & ~vm_flags) | vm_flags;  in userfaultfd_register()
833 		prev = vma_merge(mm, prev, start, vma_end, new_flags,  in userfaultfd_register()
857 		vma->vm_flags = new_flags;  in userfaultfd_register()
888 	unsigned long new_flags;  in userfaultfd_unregister()  local
966 		new_flags = vma->vm_flags & ~(VM_UFFD_MISSING | VM_UFFD_WP);  in userfaultfd_unregister()
967 		prev = vma_merge(mm, prev, start, vma_end, new_flags,  in userfaultfd_unregister()
991 		vma->vm_flags = new_flags;  in userfaultfd_unregister()