v4.19.13 snapshot.
diff --git a/drivers/md/persistent-data/Kconfig b/drivers/md/persistent-data/Kconfig
new file mode 100644
index 0000000..a53cbc9
--- /dev/null
+++ b/drivers/md/persistent-data/Kconfig
@@ -0,0 +1,9 @@
+config DM_PERSISTENT_DATA
+       tristate
+       depends on BLK_DEV_DM
+       select LIBCRC32C
+       select DM_BUFIO
+       ---help---
+	 Library providing immutable on-disk data structure support for
+	 device-mapper targets such as the thin provisioning target.
+