Re: [RFC PATCH 01/12] mm: add a new config to manage the code

[Leon Romanovsky <leon@leon.nu>]

On Thu, Jun 4, 2015 at 3:56 PM, Xishi Qiu <qiuxishi@huawei.com> wrote:
> This patch introduces a new config called "CONFIG_ACPI_MIRROR_MEMORY", it is
> used to on/off the feature.
>
> Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
> ---
>  mm/Kconfig | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 390214d..4f2a726 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -200,6 +200,14 @@ config MEMORY_HOTREMOVE
>         depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE
>         depends on MIGRATION
>
> +config MEMORY_MIRROR
> +       bool "Address range mirroring support"
> +       depends on X86 && NUMA
> +       default y
Is it correct for the systems (NOT xeon) without memory support built in?

> +       help
> +         This feature depends on hardware and firmware support.
> +         ACPI or EFI records the mirror info.
> +
>  #
>  # If we have space for more page flags then we can enable additional
>  # optimizations and functionality.
> --
> 2.0.0
>
>
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-- 
Leon Romanovsky | Independent Linux Consultant
        www.leon.nu | leon@leon.nu

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