linux-kernel - Re: [PATCH] riscv: add support for hugepage migration

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Message-ID: <mhng-d4c69614-7786-4d3a-acbe-4a51d57d7ed4@palmerdabbelt-glaptop>
Date:   Thu, 26 Aug 2021 08:48:09 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     chenwandun@...wei.com
CC:     Paul Walmsley <paul.walmsley@...ive.com>, aou@...s.berkeley.edu,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        wangkefeng.wang@...wei.com, guohanjun@...wei.com,
        chenwandun@...wei.com
Subject:     Re: [PATCH] riscv: add support for hugepage migration

On Tue, 10 Aug 2021 06:51:05 PDT (-0700), chenwandun@...wei.com wrote:
> Generic arch_hugetlb_migration_supported can provide appropriate
> support for hugepage migration when enable ARCH_ENABLE_HUGEPAGE_MIGRATION,
> so enable it for hugepage migration in riscv.
>
> Signed-off-by: Chen Wandun <chenwandun@...wei.com>
> ---
>  arch/riscv/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 8ce8382748d5..8bfc89589838 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -13,6 +13,7 @@ config 32BIT
>  config RISCV
>  	def_bool y
>  	select ARCH_CLOCKSOURCE_INIT
> +	select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
>  	select ARCH_SUPPORTS_ATOMIC_RMW
>  	select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU
>  	select ARCH_STACKWALK

Thanks, this is on for-next.