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Date:   Wed, 26 Jul 2023 16:51:37 +1000
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build failure after merge of the mm tree
Message-ID: <20230726165137.49b17052@canb.auug.org.au>
In-Reply-To: <87zg3jw8km.fsf@linux.ibm.com>
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        <87zg3jw8km.fsf@linux.ibm.com>
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Hi Aneesh,

On Wed, 26 Jul 2023 10:52:33 +0530 "Aneesh Kumar K.V" <aneesh.kumar@linux.i=
bm.com> wrote:
>
> Thanks for the report. Can you add the below diff. We should look at
> ppc64 not including radix headers if CONFIG_PPC_RADIX_MMU is disabled.
> But for now we can keep the below diff?
>=20
> diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/in=
clude/asm/book3s/64/radix.h
> index 3195f268ed7f..357e23a403d3 100644
> --- a/arch/powerpc/include/asm/book3s/64/radix.h
> +++ b/arch/powerpc/include/asm/book3s/64/radix.h
> @@ -364,8 +364,10 @@ int radix__remove_section_mapping(unsigned long star=
t, unsigned long end);
> =20
>  void radix__kernel_map_pages(struct page *page, int numpages, int enable=
);
> =20
> +#ifdef CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP
>  #define vmemmap_can_optimize vmemmap_can_optimize
>  bool vmemmap_can_optimize(struct vmem_altmap *altmap, struct dev_pagemap=
 *pgmap);
> +#endif
> =20
>  #define vmemmap_populate_compound_pages vmemmap_populate_compound_pages
>  int __meminit vmemmap_populate_compound_pages(unsigned long start_pfn,

That fixes the powerpc64 allnoconfig build for me

--=20
Cheers,
Stephen Rothwell

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