1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h
index f8109ddb5ef1..f2fc0da4da04 100644
--- a/include/linux/libnvdimm.h
+++ b/include/linux/libnvdimm.h
@@ -47,6 +47,11 @@ enum {
 
         /* region flag indicating to direct-map persistent memory by default */
         ND_REGION_PAGEMAP = 0,
+        /*
+         * Platform ensures entire CPU store data path is flushed to pmem on
+         * system power loss.
+         */
+        ND_REGION_PERSIST_CACHE = 1,
 
         /* mark newly adjusted resources as requiring a label update */
         DPA_RESOURCE_ADJUSTED = 1 << 0,