linux-kernel - Re: [PATCH v2 7/7] arm64/Kconfig: Introduce ARCH_MHP_MEMMAP_ON_MEMORY

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Message-ID: <126fa740-c163-1463-ff48-dbec4ad17ed7@redhat.com>
Date:   Thu, 25 Feb 2021 19:29:23 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Oscar Salvador <osalvador@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Michal Hocko <mhocko@...nel.org>, VlastimilBabkavbabka@...e.cz,
        pasha.tatashin@...een.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Anshuman Khandual <anshuman.khandual@....com>
Subject: Re: [PATCH v2 7/7] arm64/Kconfig: Introduce
 ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE

On 09.02.21 14:38, Oscar Salvador wrote:
> Enable arm64 platform to use the MHP_MEMMAP_ON_MEMORY feature.
> 
> Signed-off-by: Oscar Salvador <osalvador@...e.de>
> ---
>   arch/arm64/Kconfig | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 87fd02a7a62f..d4fb29779cd4 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -309,6 +309,10 @@ config ARCH_ENABLE_MEMORY_HOTPLUG
>   config ARCH_ENABLE_MEMORY_HOTREMOVE
>   	def_bool y
>   
> +config ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
> +	def_bool y
> +	depends on MEMORY_HOTPLUG && SPARSEMEM_VMEMMAP_ENABLE
> +

Same comment as for x86-64 variant.


-- 
Thanks,

David / dhildenb