On 04/16/2015 09:08 PM, Naoya Horiguchi wrote:
> Hwpoison injector checks PageLRU of the raw target page to find out whether
> the page is an appropriate target, but current code now filters out thp tail
> pages, which prevents us from testing for such cases via this interface.
> So let's check hpage instead of p.
>
> Signed-off-by: Naoya Horiguchi
Acked-by: Dean Nelson
> ---
> mm/hwpoison-inject.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git v4.0.orig/mm/hwpoison-inject.c v4.0/mm/hwpoison-inject.c
> index 2b3f933e3282..4ca5fe0042e1 100644
> --- v4.0.orig/mm/hwpoison-inject.c
> +++ v4.0/mm/hwpoison-inject.c
> @@ -34,12 +34,12 @@ static int hwpoison_inject(void *data, u64 val)
> if (!hwpoison_filter_enable)
> goto inject;
>
> - if (!PageLRU(p) && !PageHuge(p))
> - shake_page(p, 0);
> + if (!PageLRU(hpage) && !PageHuge(p))
> + shake_page(hpage, 0);
> /*
>* This implies unable to support non-LRU pages.
>*/
> - if (!PageLRU(p) && !PageHuge(p))
> + if (!PageLRU(hpage) && !PageHuge(p))
> goto put_out;
>
> /*
>
--
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/
