diff -r 4dcb647196fd -r 50369728b00e hotspot/make/linux/makefiles/buildtree.make
--- a/hotspot/make/linux/makefiles/buildtree.make	Fri Nov 21 08:00:31 2014 -0800
+++ b/hotspot/make/linux/makefiles/buildtree.make	Thu Dec 11 13:11:53 2014 -0800
@@ -194,6 +194,7 @@
 DATA_MODE/sparcv9 = 64
 DATA_MODE/amd64 = 64
 DATA_MODE/ppc64 = 64
+DATA_MODE/aarch64 = 64
 
 DATA_MODE = $(DATA_MODE/$(BUILDARCH))