page allocator: remove unused arguments in zone_init_free_lists()

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 144c0967..55fe57c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2546,8 +2546,7 @@
 	}
 }
 
-static void __meminit zone_init_free_lists(struct pglist_data *pgdat,
-				struct zone *zone, unsigned long size)
+static void __meminit zone_init_free_lists(struct zone *zone)
 {
 	int order, t;
 	for_each_migratetype_order(order, t) {
@@ -2820,7 +2819,7 @@
 
 	memmap_init(size, pgdat->node_id, zone_idx(zone), zone_start_pfn);
 
-	zone_init_free_lists(pgdat, zone, zone->spanned_pages);
+	zone_init_free_lists(zone);
 
 	return 0;
 }