On Fri, Nov 30, 2012 at 11:03 PM, Kirill A. Shutemov
<kirill.shute...@linux.intel.com> wrote:
> From: "Kirill A. Shutemov" <kirill.shute...@linux.intel.com>
>
> Don't forget to account newly allocated page in fallback path for
> copy-on-write of huge zero page.
>

What about fallback path in do_huge_pmd_wp_page_fallback()?
I think we should also account newly allocated page in it.

> Signed-off-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
> ---
>  mm/huge_memory.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index 57f0024..9d6f521 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -1164,6 +1164,7 @@ static int do_huge_pmd_wp_zero_page_fallback(struct 
> mm_struct *mm,
>         pmd_populate(mm, pmd, pgtable);
>         spin_unlock(&mm->page_table_lock);
>         put_huge_zero_page();
> +       inc_mm_counter(mm, MM_ANONPAGES);
>
>         mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
>
> --
> 1.7.11.7
>

-- 
Regards,
--Bob
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to