diff --git a/include/configs/px30_common.h b/include/configs/px30_common.h
index 7ef6237821..c0733bd0a1 100644
--- a/include/configs/px30_common.h
+++ b/include/configs/px30_common.h
@@ -9,7 +9,7 @@
 
 #include "rockchip-common.h"
 
-#define CONFIG_SYS_MALLOC_LEN		(192 << 20) /* 192M */
+#define CONFIG_SYS_MALLOC_LEN		(32 << 20)
 #define CONFIG_SYS_CBSIZE		1024
 #define CONFIG_SKIP_LOWLEVEL_INIT