diff --git a/mm/swapfile.c b/mm/swapfile.c
index 765fca3451d2cf6073258cca3f87047686dcdd69..46e6b0c06f095e994315d3e49dc5da7fb1230e59 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1000,7 +1000,7 @@ int get_swap_pages(int n_goal, swp_entry_t swp_entries[], int entry_size)
 			goto nextsi;
 		}
 		if (size == SWAPFILE_CLUSTER) {
-			if (!(si->flags & SWP_FS))
+			if (si->flags & SWP_BLKDEV)
 				n_ret = swap_alloc_cluster(si, swp_entries);
 		} else
 			n_ret = scan_swap_map_slots(si, SWAP_HAS_CACHE,