[PATCH -next] mm/swap.c: Mark sort_page_lruvec with static keyword

[Zou Wei <zou_wei@xxxxxxxxxx>]

Fix the following sparse warning:

mm/swap.c:1018:5: warning: symbol 'sort_page_lruvec' was not declared. Should it be static?

Signed-off-by: Zou Wei <zou_wei@xxxxxxxxxx>
---
 mm/swap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/swap.c b/mm/swap.c
index c787b38..5022dfe 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -1015,7 +1015,7 @@ struct lruvecs {
 };
 
 /* Sort pvec pages on their lruvec */
-int sort_page_lruvec(struct lruvecs *lruvecs, struct pagevec *pvec)
+static int sort_page_lruvec(struct lruvecs *lruvecs, struct pagevec *pvec)
 {
 	int i, j, nr_lruvec;
 	struct page *page;
-- 
2.6.2