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-rw-r--r--include/ion.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/ion.h b/include/ion.h
index 0c6045e..e790cb4 100644
--- a/include/ion.h
+++ b/include/ion.h
@@ -20,6 +20,7 @@
#include <unistd.h> /* size_t */
#define ION_FLAG_CACHED 1
+#define ION_FLAG_CACHED_NEEDS_SYNC 2
#define ION_HEAP_SYSTEM_MASK (1 << 0)
#define ION_HEAP_SYSTEM_CONTIG_MASK (1 << 1)