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SubjectRe: [PATCH v2 6/7] x86/Kconfig: Introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
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On 09.02.21 14:38, Oscar Salvador wrote:
> Enable x86_64 platform to use the MHP_MEMMAP_ON_MEMORY feature.
>
> Signed-off-by: Oscar Salvador <osalvador@suse.de>
> ---
> arch/x86/Kconfig | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 72663de8b04c..81046b7adb10 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -2440,6 +2440,10 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
> def_bool y
> depends on MEMORY_HOTPLUG
>
> +config ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
> + def_bool y
> + depends on X86_64 && MEMORY_HOTPLUG && SPARSEMEM_VMEMMAP_ENABLE

It depends on SPARSEMEM_VMEMMAP, no?

I think we could have

SPARSEMEM_VMEMMAP_ENABLE=y
and
SPARSEMEM_VMEMMAP=n

on manually tuned configs.

--
Thanks,

David / dhildenb

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