Balbir Singh <bsinghar...@gmail.com> writes:

> Introduce a helper pgtable_get_gfp_flags() which

Can we just call it pgtable_gfp_flags() ?

> just returns the current gfp flags. In a future
> patch, we can enable __GFP_ACCOUNT based on the
> calling context.
>
> Signed-off-by: Balbir Singh <bsinghar...@gmail.com>
> ---
>  arch/powerpc/include/asm/book3s/64/pgalloc.h | 22 ++++++++++++++++------
>  arch/powerpc/mm/pgtable_64.c                 |  3 ++-

It looks like you've only updated the 64-bit Book3S sites. Can you
please do all of them.

I think this is the full list:

  arch/powerpc/include/asm/book3s/32/pgalloc.h:static inline pgd_t 
*pgd_alloc(struct mm_struct *mm)
  arch/powerpc/include/asm/book3s/64/pgalloc.h:static inline pgd_t 
*radix__pgd_alloc(struct mm_struct *mm)
  arch/powerpc/include/asm/book3s/64/pgalloc.h:static inline pgd_t 
*pgd_alloc(struct mm_struct *mm)
  arch/powerpc/include/asm/nohash/32/pgalloc.h:static inline pgd_t 
*pgd_alloc(struct mm_struct *mm)
  arch/powerpc/include/asm/nohash/64/pgalloc.h:static inline pgd_t 
*pgd_alloc(struct mm_struct *mm)
  
  arch/powerpc/include/asm/book3s/64/pgalloc.h:static inline pud_t 
*pud_alloc_one(struct mm_struct *mm, unsigned long addr)
  arch/powerpc/include/asm/nohash/64/pgalloc.h:static inline pud_t 
*pud_alloc_one(struct mm_struct *mm, unsigned long addr)
  
  arch/powerpc/include/asm/book3s/64/pgalloc.h:static inline pmd_t 
*pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
  arch/powerpc/include/asm/nohash/64/pgalloc.h:static inline pmd_t 
*pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
  
  arch/powerpc/include/asm/book3s/64/pgalloc.h:static inline pgtable_t 
pte_alloc_one(struct mm_struct *mm,
  arch/powerpc/include/asm/book3s/64/pgalloc.h:static inline pgtable_t 
pte_alloc_one(struct mm_struct *mm,
  arch/powerpc/include/asm/nohash/64/pgalloc.h:static inline pgtable_t 
pte_alloc_one(struct mm_struct *mm,
  arch/powerpc/include/asm/nohash/64/pgalloc.h:static inline pgtable_t 
pte_alloc_one(struct mm_struct *mm,
  arch/powerpc/mm/pgtable_32.c:pgtable_t pte_alloc_one(struct mm_struct *mm, 
unsigned long address)
  
  arch/powerpc/mm/hugetlbpage.c:pte_t *huge_pte_alloc(struct mm_struct *mm, 
unsigned long addr, unsigned long sz)

> diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h 
> b/arch/powerpc/include/asm/book3s/64/pgalloc.h
> index cd5e7aa..d0a9ca6 100644
> --- a/arch/powerpc/include/asm/book3s/64/pgalloc.h
> +++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h
> @@ -159,7 +168,8 @@ static inline pgtable_t pmd_pgtable(pmd_t pmd)
>  static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
>                                         unsigned long address)
>  {
> -     return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
> +     return (pte_t *)__get_free_page(
> +             pgtable_get_gfp_flags(mm, PGALLOC_GFP));
>  }

There's no point doing pte_alloc_one_kernel(), it's explicitly for
kernel allocations IIUI.

cheers

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