> diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
> index 439fc1f..06fc468 100644
> --- a/fs/proc/task_mmu.c
> +++ b/fs/proc/task_mmu.c
> @@ -368,7 +368,11 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
> mss->shared_clean += PAGE_SIZE;
> mss->pss += (PAGE_SIZE << PSS_SHIFT) / mapcount;
> } else {
> - if (pte_dirty(ptent))
> + /*
> + * File-backed pages, now anonymous are dirty
> + * with respect to the file.
> + */
> + if (pte_dirty(ptent) || (vma->vm_file && PageAnon(page)))
> mss->private_dirty += PAGE_SIZE;
> else
> mss->private_clean += PAGE_SIZE;
This is risky than v1. number of dirties are used a lot of application.
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