diff --git a/libgralloc/memalloc.h b/libgralloc/memalloc.h
index 2bc1ddf..598d983 100644
--- a/libgralloc/memalloc.h
+++ b/libgralloc/memalloc.h
@@ -49,6 +49,7 @@
     uintptr_t      pHandle;
     bool           uncached;
     unsigned int   flags;
+    unsigned int   heapId;
     int            allocType;
 };