From: Andrew Morton <akpm@linux-foundation.org>

Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_alloc.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff -puN mm/page_alloc.c~bias-the-location-of-pages-freed-for-min_free_kbytes-in-the-same-max_order_nr_pages-blocks-tidy mm/page_alloc.c
--- a/mm/page_alloc.c~bias-the-location-of-pages-freed-for-min_free_kbytes-in-the-same-max_order_nr_pages-blocks-tidy
+++ a/mm/page_alloc.c
@@ -2268,7 +2268,7 @@ static inline unsigned long wait_table_b
  * higher will lead to a bigger reserve which will get freed as contiguous
  * blocks as reclaim kicks in
  */
-void setup_zone_migrate_reserve(struct zone *zone)
+static void setup_zone_migrate_reserve(struct zone *zone)
 {
 	unsigned long start_pfn, pfn, end_pfn;
 	struct page *page;
@@ -2315,7 +2315,9 @@ void setup_zone_migrate_reserve(struct z
 	}
 }
 #else
-void setup_zone_migrate_reserve(struct zone *zone) {}
+static inline void setup_zone_migrate_reserve(struct zone *zone)
+{
+}
 #endif /* CONFIG_PAGE_GROUP_BY_MOBILITY */
 /*
  * Initially all pages are reserved - free ones are freed
_