On Fri, Apr 30, 2010 at 08:28:53PM +0200, Andrea Arcangeli wrote:
> Subject: adapt mprotect to anon_vma chain semantics
>
> From: Andrea Arcangeli <aarcange@xxxxxxxxxx>
>
> wait_split_huge_page interface changed.
>
> Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
> ---
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -929,7 +929,7 @@ int change_huge_pmd(struct vm_area_struc
> if (likely(pmd_trans_huge(*pmd))) {
> if (unlikely(pmd_trans_splitting(*pmd))) {
> spin_unlock(&mm->page_table_lock);
> - wait_split_huge_page(vma->anon_vma, pmd);
> + wait_split_huge_page(mm, pmd);
That makes mprotect-vma-arg obsolete, I guess.
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