diff --git a/include/gui/BufferQueue.h b/include/gui/BufferQueue.h
index c48ffb4..09300a2 100644
--- a/include/gui/BufferQueue.h
+++ b/include/gui/BufferQueue.h
@@ -76,7 +76,8 @@
     // producers and consumers. allocator is used to allocate all the
     // needed gralloc buffers.
     static void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
-            sp<IGraphicBufferConsumer>* outConsumer);
+            sp<IGraphicBufferConsumer>* outConsumer,
+            const sp<IGraphicBufferAlloc>& allocator = NULL);
 
 private:
     BufferQueue(); // Create through createBufferQueue
diff --git a/include/gui/BufferQueueCore.h b/include/gui/BufferQueueCore.h
index 4a6471e..fbd5114 100644
--- a/include/gui/BufferQueueCore.h
+++ b/include/gui/BufferQueueCore.h
@@ -75,7 +75,7 @@
     // BufferQueueCore manages a pool of gralloc memory slots to be used by
     // producers and consumers. allocator is used to allocate all the needed
     // gralloc buffers.
-    BufferQueueCore();
+    BufferQueueCore(const sp<IGraphicBufferAlloc>& allocator = NULL);
     virtual ~BufferQueueCore();
 
 private: