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-rw-r--r--include/uapi/linux/ndctl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
index e15768fb4b99..6d3c54264d8e 100644
--- a/include/uapi/linux/ndctl.h
+++ b/include/uapi/linux/ndctl.h
@@ -207,6 +207,7 @@ enum {
enum {
ND_ARS_VOLATILE = 1,
ND_ARS_PERSISTENT = 2,
+ ND_ARS_RETURN_PREV_DATA = 1 << 1,
ND_CONFIG_LOCKED = 1,
};