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-rw-r--r--include/linux/libnvdimm.h5
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,