Re: [PATCH v1 1/6] mm/memory_hotplug: remove CONFIG_X86_64_ACPI_NUMA dependency from CONFIG_MEMORY_HOTPLUG

[Oscar Salvador]

On Wed, Sep 29, 2021 at 04:35:55PM +0200, David Hildenbrand wrote:
> SPARSEMEM is the only possible memory model for x86-64, FLATMEM is not
> possible:
> 	config ARCH_FLATMEM_ENABLE
> 		def_bool y
> 		depends on X86_32 && !NUMA
> 
> And X86_64_ACPI_NUMA (obviously) only supports x86-64:
> 	config X86_64_ACPI_NUMA
> 		def_bool y
> 		depends on X86_64 && NUMA && ACPI && PCI
> 
> Let's just remove the CONFIG_X86_64_ACPI_NUMA dependency, as it does no
> longer make sense.
> 
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>

> ---
>  mm/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/Kconfig b/mm/Kconfig
> index d16ba9249bc5..b7fb3f0b485e 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -123,7 +123,7 @@ config ARCH_ENABLE_MEMORY_HOTPLUG
>  config MEMORY_HOTPLUG
>  	bool "Allow for memory hot-add"
>  	select MEMORY_ISOLATION
> -	depends on SPARSEMEM || X86_64_ACPI_NUMA
> +	depends on SPARSEMEM
>  	depends on ARCH_ENABLE_MEMORY_HOTPLUG
>  	depends on 64BIT || BROKEN
>  	select NUMA_KEEP_MEMINFO if NUMA
> -- 
> 2.31.1
> 
> 

-- 
Oscar Salvador
SUSE Labs