On Mon, 20 Jun 2016 12:38:13 +0200 Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:
> From: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx>
>
> Let's introduce that helper.
>
> ...
>
> +static inline int page_ref_inc_return(struct page *page)
> +{
> + int ret = atomic_inc_return(&page->_refcount);
> +
> + if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_and_return))
> + __page_ref_mod_and_return(page, 1, ret);
> + return ret;
> +}
Acked-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
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