diff --git a/arch/arm/configs/rockchip_defconfig b/arch/arm/configs/rockchip_defconfig
index f3655b70bea0..d9bb7e619e18 100644
--- a/arch/arm/configs/rockchip_defconfig
+++ b/arch/arm/configs/rockchip_defconfig
@@ -81,6 +81,8 @@ CONFIG_BFQ_GROUP_IOSCHED=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
 CONFIG_CMA=y
+CONFIG_LRU_GEN=y
+CONFIG_LRU_GEN_ENABLED=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y