On Fri, 18 Feb 2011 10:46:26 +0900
Namhyung Kim <namhyung@xxxxxxxxx> wrote:
> When pfn_valid_within() failed 'iter' was incremented twice.
>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Thank you.
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> ---
> mm/page_alloc.c | 5 ++---
> 1 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index e8b02771ccea..bf83d1c1d648 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -5380,10 +5380,9 @@ __count_immobile_pages(struct zone *zone, struct page *page, int count)
> for (found = 0, iter = 0; iter < pageblock_nr_pages; iter++) {
> unsigned long check = pfn + iter;
>
> - if (!pfn_valid_within(check)) {
> - iter++;
> + if (!pfn_valid_within(check))
> continue;
> - }
> +
> page = pfn_to_page(check);
> if (!page_count(page)) {
> if (PageBuddy(page))
> --
> 1.7.4
>
>
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