diff --git a/arch/arm/mach-rk30/board-rk3168-LR097.c b/arch/arm/mach-rk30/board-rk3168-LR097.c
index 9582bbdef6a8..9e76dc5c2c4a 100755
--- a/arch/arm/mach-rk30/board-rk3168-LR097.c
+++ b/arch/arm/mach-rk30/board-rk3168-LR097.c
@@ -2129,6 +2129,8 @@ static void __init machine_rk30_board_init(void)
 
 static void __init rk30_reserve(void)
 {
+	int ump_mem_phy_size=512*1024*1024; 
+	board_mem_reserve_add("ump buf", ump_mem_phy_size); 
 #ifdef CONFIG_ION
 	rk30_ion_pdata.heaps[0].base = board_mem_reserve_add("ion", ION_RESERVE_SIZE);
 #endif