diff --git a/mm/swapfile.c b/mm/swapfile.c
index d483278..12251d3 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -3290,7 +3290,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
 	p->flags = 0;
 	spin_unlock(&swap_lock);
 	vfree(swap_map);
-	vfree(cluster_info);
+	kvfree(cluster_info);
 	if (swap_file) {
 		if (inode && S_ISREG(inode->i_mode)) {
 			inode_unlock(inode);