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Date: Thu, 26 Apr 2018 12:35:55 +0200 From: Christophe LEROY <christophe.leroy@....fr> To: "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>, mpe@...erman.id.au Cc: akpm@...ux-foundation.org, linux-mm@...ck.org, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 9/9] powerpc/hugetlb: Enable hugetlb migration for ppc64 Le 16/05/2017 à 11:23, Aneesh Kumar K.V a écrit : > Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.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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