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-rw-r--r--include/rdma/ib_umem_odp.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/rdma/ib_umem_odp.h b/include/rdma/ib_umem_odp.h
index 030d5cbad02c..14b38b4459c5 100644
--- a/include/rdma/ib_umem_odp.h
+++ b/include/rdma/ib_umem_odp.h
@@ -69,6 +69,14 @@ struct ib_umem_odp {
/* Tree tracking */
struct interval_tree_node interval_tree;
+ /*
+ * An implicit odp umem cannot be DMA mapped, has 0 length, and serves
+ * only as an anchor for the driver to hold onto the per_mm. FIXME:
+ * This should be removed and drivers should work with the per_mm
+ * directly.
+ */
+ bool is_implicit_odp;
+
struct completion notifier_completion;
int dying;
unsigned int page_shift;