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SubjectRe: [PATCH v2 9/9] powerpc/hugetlb: Enable hugetlb migration for ppc64
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Le 16/05/2017 à 11:23, Aneesh Kumar K.V a écrit :
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> ---
> arch/powerpc/platforms/Kconfig.cputype | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
> index 80175000042d..8acc4f27d101 100644
> --- a/arch/powerpc/platforms/Kconfig.cputype
> +++ b/arch/powerpc/platforms/Kconfig.cputype
> @@ -351,6 +351,11 @@ config PPC_RADIX_MMU
> is only implemented by IBM Power9 CPUs, if you don't have one of them
> you can probably disable this.
>
> +config ARCH_ENABLE_HUGEPAGE_MIGRATION
> + def_bool y
> + depends on PPC_BOOK3S_64 && HUGETLB_PAGE && MIGRATION
> +
> +

Is there a reason why you redefine ARCH_ENABLE_HUGEPAGE_MIGRATION
instead of doing a 'select' as it is already defined in mm/Kconfig ?

Christophe

> config PPC_MMU_NOHASH
> def_bool y
> depends on !PPC_STD_MMU
>

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