diff --git a/mm/swapfile.c b/mm/swapfile.c
index d87b562ae661..125d893bb706 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -594,7 +594,7 @@ static void __free_cluster(struct swap_info_struct *si, struct swap_cluster_info
  * this returns NULL for an non-empty list.
  */
 static struct swap_cluster_info *isolate_lock_cluster(
-		struct swap_info_struct *si, struct list_head *list, int order)
+		struct swap_info_struct *si, struct list_head *list)
 {
 	struct swap_cluster_info *ci, *found = NULL;
 
@@ -957,7 +957,7 @@ static unsigned int alloc_swap_scan_list(struct swap_info_struct *si,
 	unsigned int found = SWAP_ENTRY_INVALID;
 
 	do {
-		struct swap_cluster_info *ci = isolate_lock_cluster(si, list, order);
+		struct swap_cluster_info *ci = isolate_lock_cluster(si, list);
 		unsigned long offset;
 
 		if (!ci)
@@ -982,7 +982,7 @@ static void swap_reclaim_full_clusters(struct swap_info_struct *si, bool force)
 	if (force)
 		to_scan = swap_usage_in_pages(si) / SWAPFILE_CLUSTER;
 
-	while ((ci = isolate_lock_cluster(si, &si->full_clusters, 0))) {
+	while ((ci = isolate_lock_cluster(si, &si->full_clusters))) {
 		offset = cluster_offset(si, ci);
 		end = min(si->max, offset + SWAPFILE_CLUSTER);
 		to_scan--;