diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig
index 7ae6b2c053be7904aa126f59e1ee62b50b4e1237..f4b62b7b5766e70866f9292fa8582aba9782b84f 100644
--- a/arch/arm64/configs/openeuler_defconfig
+++ b/arch/arm64/configs/openeuler_defconfig
@@ -416,6 +416,8 @@ CONFIG_ARM64_CPU_PARK=y
 CONFIG_FORCE_MAX_ZONEORDER=11
 CONFIG_UNMAP_KERNEL_AT_EL0=y
 CONFIG_RODATA_FULL_DEFAULT_ENABLED=y
+CONFIG_ARM64_PMEM_RESERVE=y
+CONFIG_ARM64_PMEM_LEGACY=m
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 CONFIG_ARM64_TAGGED_ADDR_ABI=y
 CONFIG_ARM64_ILP32=y
@@ -6034,6 +6036,8 @@ CONFIG_VENDOR_HOOKS=y
 # end of Vendor Hooks
 
 CONFIG_LIBNVDIMM=m
+CONFIG_PMEM_LEGACY=m
+CONFIG_PMEM_LEGACY_DEVICE=y
 CONFIG_BLK_DEV_PMEM=m
 CONFIG_ND_BLK=m
 CONFIG_ND_CLAIM=y