linux-kernel - Re: [PATCH v9 7/8] x86/Kconfig: Introduce ARCH_MHP_MEMMAP_ON_MEMORY

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Message-ID: <YH6zeWm5ZSd8JRoA@dhcp22.suse.cz>
Date:   Tue, 20 Apr 2021 12:56:57 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     Oscar Salvador <osalvador@...e.de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Vlastimil Babka <vbabka@...e.cz>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 7/8] x86/Kconfig: Introduce
 ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE

On Fri 16-04-21 13:24:10, Oscar Salvador wrote:
> Enable x86_64 platform to use the MHP_MEMMAP_ON_MEMORY feature.
> 
> Signed-off-by: Oscar Salvador <osalvador@...e.de>
> Reviewed-by: David Hildenbrand <david@...hat.com>

Acked-by: Michal Hocko <mhocko@...e.com>

> ---
>  arch/x86/Kconfig | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 2792879d398e..9f0211df1746 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -2433,6 +2433,9 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
>  	def_bool y
>  	depends on MEMORY_HOTPLUG
>  
> +config ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
> +	def_bool y
> +
>  config USE_PERCPU_NUMA_NODE_ID
>  	def_bool y
>  	depends on NUMA
> -- 
> 2.16.3

-- 
Michal Hocko
SUSE Labs