Re: [PATCH 1/5] mm: Introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE

From: David Hildenbrand
Date: Mon Jan 11 2021 - 11:54:16 EST


On 17.12.20 14:07, Oscar Salvador wrote:
> In order to use self-hosted memmap array, the platform needs to have
> support for CONFIG_SPARSEMEM_VMEMMAP and altmap.
> Currently, only arm64, PPC and x86_64 have the support, so enable those
> platforms with ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE.

"In the first version, only .... will support it".

I'd probably split off enabling it per architecture in separate patches
and the end of the series.

Apart from that looks good.

>
> ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE will be checked later on to see whether
> we can enable this feature or not.
>
> Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>


--
Thanks,

David / dhildenb