144 	const bool uffd_wp_changed = (vma->vm_flags ^ flags) & VM_UFFD_WP;  in userfaultfd_set_vm_flags()
152 	if ((vma->vm_flags & VM_SHARED) && uffd_wp_changed)  in userfaultfd_set_vm_flags()
663 							 vma->vm_flags & ~__VM_UFFD_FLAGS);  in userfaultfd_event_wait_completion()
698 		userfaultfd_set_vm_flags(vma, vma->vm_flags & ~__VM_UFFD_FLAGS);  in dup_userfaultfd()
780 		userfaultfd_set_vm_flags(vma, vma->vm_flags & ~__VM_UFFD_FLAGS);  in mremap_userfaultfd_prep()
919 		       !!(vma->vm_flags & __VM_UFFD_FLAGS));  in userfaultfd_release()
924 		new_flags = vma->vm_flags & ~__VM_UFFD_FLAGS;  in userfaultfd_release()
1323 	unsigned long vm_flags, new_flags;  in userfaultfd_register()  local
1342 	vm_flags = 0;  in userfaultfd_register()
1344 		vm_flags |= VM_UFFD_MISSING;  in userfaultfd_register()
1349 		vm_flags |= VM_UFFD_WP;  in userfaultfd_register()
1355 		vm_flags |= VM_UFFD_MINOR;  in userfaultfd_register()
1398 		       !!(cur->vm_flags & __VM_UFFD_FLAGS));  in userfaultfd_register()
1402 		if (!vma_can_userfault(cur, vm_flags))  in userfaultfd_register()
1414 		if (unlikely(!(cur->vm_flags & VM_MAYWRITE)))  in userfaultfd_register()
1430 		if ((vm_flags & VM_UFFD_WP) && !(cur->vm_flags & VM_MAYWRITE))  in userfaultfd_register()
1463 		BUG_ON(!vma_can_userfault(vma, vm_flags));  in userfaultfd_register()
1466 		WARN_ON(!(vma->vm_flags & VM_MAYWRITE));  in userfaultfd_register()
1473 		    (vma->vm_flags & vm_flags) == vm_flags)  in userfaultfd_register()
1480 		new_flags = (vma->vm_flags & ~__VM_UFFD_FLAGS) | vm_flags;  in userfaultfd_register()
1609 		       !!(cur->vm_flags & __VM_UFFD_FLAGS));  in userfaultfd_unregister()
1618 		if (!vma_can_userfault(cur, cur->vm_flags))  in userfaultfd_unregister()
1634 		BUG_ON(!vma_can_userfault(vma, vma->vm_flags));  in userfaultfd_unregister()
1643 		WARN_ON(!(vma->vm_flags & VM_MAYWRITE));  in userfaultfd_unregister()
1666 		new_flags = vma->vm_flags & ~__VM_UFFD_FLAGS;  in userfaultfd_unregister()