diff --git a/source/linux-5.10/arch/riscv/configs/d211_demo128_nand_defconfig b/source/linux-5.10/arch/riscv/configs/d211_demo128_nand_defconfig
index 1c401799d..989240148 100644
--- a/source/linux-5.10/arch/riscv/configs/d211_demo128_nand_defconfig
+++ b/source/linux-5.10/arch/riscv/configs/d211_demo128_nand_defconfig
@@ -202,7 +202,7 @@ CONFIG_CRYPTO_USER_API_AKCIPHER=y
 CONFIG_CRYPTO_DEV_ARTINCHIP_CE=y
 CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=48
-CONFIG_CMA_MPP_SIZE_MBYTES=32
+CONFIG_CMA_MPP_SIZE_MBYTES=24
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_FS=y