Re: linux-next: build failure after merge of the akpm-current tree

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Hi Christoph,

On Wed, 26 Jun 2019 15:13:18 +0200 Christoph Hellwig <hch@xxxxxx> wrote:
>
> As that function is in code only there to provide compile coverage
> something like this should fix the problem:
> 
> 
> diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
> index 547ff96fb228..1599de730532 100644
> --- a/arch/sparc/include/asm/pgtable_64.h
> +++ b/arch/sparc/include/asm/pgtable_64.h
> @@ -861,10 +861,12 @@ static inline unsigned long pud_page_vaddr(pud_t pud)
>  #define pud_clear(pudp)			(pud_val(*(pudp)) = 0UL)
>  #define pgd_page_vaddr(pgd)		\
>  	((unsigned long) __va(pgd_val(pgd)))
> -#define pgd_page(pgd)			pfn_to_page(pgd_pfn(pgd))
>  #define pgd_present(pgd)		(pgd_val(pgd) != 0U)
>  #define pgd_clear(pgdp)			(pgd_val(*(pgdp)) = 0UL)
>  
> +/* only used by the stubbed out hugetlb gup code, should never be called */
> +#define pgd_page(pgd)			NULL
> +
>  static inline unsigned long pud_large(pud_t pud)
>  {
>  	pte_t pte = __pte(pud_val(pud));

Thanks.

-- 
Cheers,
Stephen Rothwell

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