linux-kernel - Re: [PATCH v2] arm64: defconfig: Enable memory hotplug and hotremove config

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Date:   Thu, 30 Jun 2022 09:26:17 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     <catalin.marinas@....com>, <will@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] arm64: defconfig: Enable memory hotplug and hotremove
 config


On 2022/6/29 17:35, Kefeng Wang wrote:
> Let's enable ACPI_HMAT, ACPI_HOTPLUG_MEMORY, MEMORY_HOTPLUG
> and MEMORY_HOTREMOVE for more test coverage, also there are
> useful for heterogeneous memory scene.
Hi Catalin and Will，is the defconfig patch picked up from you directly，
the changelog shows most of them merged by SoC maintainers, but this
one is some general feature, I don't know who will take it, thanks.
> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
> ---
> v2: add ACPI_HMAT and update changelog too.
>   arch/arm64/configs/defconfig | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 7d1105343bc2..78add6eefa2b 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -101,6 +101,8 @@ CONFIG_ARM_TEGRA186_CPUFREQ=y
>   CONFIG_ARM_MEDIATEK_CPUFREQ=y
>   CONFIG_QORIQ_CPUFREQ=y
>   CONFIG_ACPI=y
> +CONFIG_ACPI_HOTPLUG_MEMORY=y
> +CONFIG_ACPI_HMAT=y
>   CONFIG_ACPI_APEI=y
>   CONFIG_ACPI_APEI_GHES=y
>   CONFIG_ACPI_APEI_PCIEAER=y
> @@ -125,6 +127,8 @@ CONFIG_SECCOMP=y
>   CONFIG_MODULES=y
>   CONFIG_MODULE_UNLOAD=y
>   # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
> +CONFIG_MEMORY_HOTPLUG=y
> +CONFIG_MEMORY_HOTREMOVE=y
>   CONFIG_KSM=y
>   CONFIG_MEMORY_FAILURE=y
>   CONFIG_TRANSPARENT_HUGEPAGE=y