On Fri, Aug 23, 2013 at 06:30:38PM +0800, Wanpeng Li wrote:
> Repalce atomic_long_sub() with atomic_long_dec() since the page is
> normal page instead of hugetlbfs page or thp.
>
> Signed-off-by: Wanpeng Li <liw...@linux.vnet.ibm.com>
Reviewed-by: Naoya Horiguchi <n-horigu...@ah.jp.nec.com>
> ---
> mm/memory-failure.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index a6c4752..297965e 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -1363,7 +1363,7 @@ int unpoison_memory(unsigned long pfn)
> return 0;
> }
> if (TestClearPageHWPoison(p))
> - atomic_long_sub(nr_pages, &num_poisoned_pages);
> + atomic_long_dec(&num_poisoned_pages);
> pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn);
> return 0;
> }
> --
> 1.8.1.2
>
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