diff --git a/arch/arm64/configs/rockchip_defconfig b/arch/arm64/configs/rockchip_defconfig
index 01541e6f1386..28c31d3914e8 100644
--- a/arch/arm64/configs/rockchip_defconfig
+++ b/arch/arm64/configs/rockchip_defconfig
@@ -699,6 +699,7 @@ CONFIG_STAGING=y
 CONFIG_INV_MPU_IIO=y
 CONFIG_ASHMEM=y
 CONFIG_ANDROID_TIMED_GPIO=y
+CONFIG_ANDROID_LOW_MEMORY_KILLER=y
 CONFIG_SYNC=y
 CONFIG_SW_SYNC=y
 CONFIG_SW_SYNC_USER=y