--- a/arch/arm64/Kconfig~arm64-kconfig-introduce-arch_mhp_memmap_on_memory_enable +++ a/arch/arm64/Kconfig @@ -316,6 +316,9 @@ config ZONE_DMA32 bool "Support DMA32 zone" if EXPERT default y +config ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE + def_bool y + config SMP def_bool y