On 07/05/2018 04:07 AM, Alexandre Ghiti wrote:
> asm-generic/hugetlb.h proposes generic implementations of hugetlb
> related functions: use __HAVE_ARCH_HUGE* defines in order to make arch
> specific implementations of hugetlb functions consistent with pgtable.h
> scheme.
> 

Reviewed-by: Mike Kravetz <mike.krav...@oracle.com>
-- 
Mike Kravetz

> Signed-off-by: Alexandre Ghiti <a...@ghiti.fr>
> ---
>  arch/arm64/include/asm/hugetlb.h | 2 +-
>  include/asm-generic/hugetlb.h    | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/hugetlb.h 
> b/arch/arm64/include/asm/hugetlb.h
> index e73f68569624..3fcf14663dfa 100644
> --- a/arch/arm64/include/asm/hugetlb.h
> +++ b/arch/arm64/include/asm/hugetlb.h
> @@ -81,9 +81,9 @@ extern void huge_ptep_set_wrprotect(struct mm_struct *mm,
>                                   unsigned long addr, pte_t *ptep);
>  extern void huge_ptep_clear_flush(struct vm_area_struct *vma,
>                                 unsigned long addr, pte_t *ptep);
> +#define __HAVE_ARCH_HUGE_PTE_CLEAR
>  extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
>                          pte_t *ptep, unsigned long sz);
> -#define huge_pte_clear huge_pte_clear
>  extern void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
>                                pte_t *ptep, pte_t pte, unsigned long sz);
>  #define set_huge_swap_pte_at set_huge_swap_pte_at
> diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
> index 9d0cde8ab716..3da7cff52360 100644
> --- a/include/asm-generic/hugetlb.h
> +++ b/include/asm-generic/hugetlb.h
> @@ -32,7 +32,7 @@ static inline pte_t huge_pte_modify(pte_t pte, pgprot_t 
> newprot)
>       return pte_modify(pte, newprot);
>  }
>  
> -#ifndef huge_pte_clear
> +#ifndef __HAVE_ARCH_HUGE_PTE_CLEAR
>  static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
>                   pte_t *ptep, unsigned long sz)
>  {
> 

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