diff --git a/arch/arm/boot/dts/rk3288-android.dtsi b/arch/arm/boot/dts/rk3288-android.dtsi
index ae3cb2975682..ebe3ae13330d 100644
--- a/arch/arm/boot/dts/rk3288-android.dtsi
+++ b/arch/arm/boot/dts/rk3288-android.dtsi
@@ -47,7 +47,7 @@
 
 / {
 	chosen {
-		bootargs = "earlycon=uart8250,mmio32,0xff690000";
+		bootargs = "earlycon=uart8250,mmio32,0xff690000 vmalloc=496M";
 	};
 
 	/delete-node/ dmc@ff610000;