tools/virtio: handle fallout from folio work

just add a stub

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/tools/virtio/linux/mm_types.h b/tools/virtio/linux/mm_types.h
new file mode 100644 (file)
index 0000000..356ba4d
--- /dev/null
+++ b/tools/virtio/linux/mm_types.h
@@ -0,0 +1,3 @@
+struct folio {
+       struct page page;
+};