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SubjectRe: [PATCH] mm: Speed up mremap on large regions
On Wed, Oct 10, 2018 at 05:46:18PM -0700, Joel Fernandes wrote:
> diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h
> index 391ed2c3b697..8a33f2044923 100644
> --- a/arch/powerpc/include/asm/book3s/64/pgalloc.h
> +++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h
> @@ -192,14 +192,12 @@ static inline pgtable_t pmd_pgtable(pmd_t pmd)
> return (pgtable_t)pmd_page_vaddr(pmd);
> }
>
> -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
> - unsigned long address)
> +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
> {
> return (pte_t *)pte_fragment_alloc(mm, address, 1);
> }

This is obviously broken.

--
Kirill A. Shutemov

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