615 				vma->vm_flags &= ~__VM_UFFD_FLAGS;  in userfaultfd_event_wait_completion()
648 		WRITE_ONCE(vma->vm_flags,  in dup_userfaultfd()
649 			   vma->vm_flags & ~__VM_UFFD_FLAGS);  in dup_userfaultfd()
731 		vma->vm_flags &= ~__VM_UFFD_FLAGS;  in mremap_userfaultfd_prep()
872 		       !!(vma->vm_flags & __VM_UFFD_FLAGS));  in userfaultfd_release()
877 		new_flags = vma->vm_flags & ~__VM_UFFD_FLAGS;  in userfaultfd_release()
889 		WRITE_ONCE(vma->vm_flags, new_flags);  in userfaultfd_release()
1260 				     unsigned long vm_flags)  in vma_can_userfault()  argument
1263 	if (vm_flags & VM_UFFD_WP) {  in vma_can_userfault()
1268 	if (vm_flags & VM_UFFD_MINOR) {  in vma_can_userfault()
1285 	unsigned long vm_flags, new_flags;  in userfaultfd_register()  local
1302 	vm_flags = 0;  in userfaultfd_register()
1304 		vm_flags |= VM_UFFD_MISSING;  in userfaultfd_register()
1306 		vm_flags |= VM_UFFD_WP;  in userfaultfd_register()
1311 		vm_flags |= VM_UFFD_MINOR;  in userfaultfd_register()
1356 		       !!(cur->vm_flags & __VM_UFFD_FLAGS));  in userfaultfd_register()
1360 		if (!vma_can_userfault(cur, vm_flags))  in userfaultfd_register()
1372 		if (unlikely(!(cur->vm_flags & VM_MAYWRITE)))  in userfaultfd_register()
1388 		if ((vm_flags & VM_UFFD_WP) && !(cur->vm_flags & VM_MAYWRITE))  in userfaultfd_register()
1419 		BUG_ON(!vma_can_userfault(vma, vm_flags));  in userfaultfd_register()
1422 		WARN_ON(!(vma->vm_flags & VM_MAYWRITE));  in userfaultfd_register()
1429 		    (vma->vm_flags & vm_flags) == vm_flags)  in userfaultfd_register()
1436 		new_flags = (vma->vm_flags & ~__VM_UFFD_FLAGS) | vm_flags;  in userfaultfd_register()
1463 		WRITE_ONCE(vma->vm_flags, new_flags);  in userfaultfd_register()
1565 		       !!(cur->vm_flags & __VM_UFFD_FLAGS));  in userfaultfd_unregister()
1574 		if (!vma_can_userfault(cur, cur->vm_flags))  in userfaultfd_unregister()
1588 		BUG_ON(!vma_can_userfault(vma, vma->vm_flags));  in userfaultfd_unregister()
1597 		WARN_ON(!(vma->vm_flags & VM_MAYWRITE));  in userfaultfd_unregister()
1616 		new_flags = vma->vm_flags & ~__VM_UFFD_FLAGS;  in userfaultfd_unregister()
1643 		WRITE_ONCE(vma->vm_flags, new_flags);  in userfaultfd_unregister()