diff --git a/mm/swapfile.c b/mm/swapfile.c
index 5fdb3cb2b8b7..4a0cf4fb348d 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -908,18 +908,20 @@ static unsigned long cluster_alloc_swap_entry(struct swap_info_struct *si, int o
 	}
 
 new_cluster:
-	ci = isolate_lock_cluster(si, &si->free_clusters);
-	if (ci) {
-		found = alloc_swap_scan_cluster(si, ci, cluster_offset(si, ci),
-						order, usage);
-		if (found)
-			goto done;
+	/*
+	 * If the device need discard, prefer new cluster over nonfull
+	 * to spread out the writes.
+	 */
+	if (si->flags & SWP_PAGE_DISCARD) {
+		ci = isolate_lock_cluster(si, &si->free_clusters);
+		if (ci) {
+			found = alloc_swap_scan_cluster(si, ci, cluster_offset(si, ci),
+							order, usage);
+			if (found)
+				goto done;
+		}
 	}
 
-	/* Try reclaim from full clusters if free clusters list is drained */
-	if (vm_swap_full())
-		swap_reclaim_full_clusters(si, false);
-
 	if (order < PMD_ORDER) {
 		while ((ci = isolate_lock_cluster(si, &si->nonfull_clusters[order]))) {
 			found = alloc_swap_scan_cluster(si, ci, cluster_offset(si, ci),
@@ -927,7 +929,23 @@ static unsigned long cluster_alloc_swap_entry(struct swap_info_struct *si, int o
 			if (found)
 				goto done;
 		}
+	}
 
+	if (!(si->flags & SWP_PAGE_DISCARD)) {
+		ci = isolate_lock_cluster(si, &si->free_clusters);
+		if (ci) {
+			found = alloc_swap_scan_cluster(si, ci, cluster_offset(si, ci),
+							order, usage);
+			if (found)
+				goto done;
+		}
+	}
+
+	/* Try reclaim full clusters if free and nonfull lists are drained */
+	if (vm_swap_full())
+		swap_reclaim_full_clusters(si, false);
+
+	if (order < PMD_ORDER) {
 		/*
 		 * Scan only one fragment cluster is good enough. Order 0
 		 * allocation will surely success, and large allocation