1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 54967099a8eb..17a322663f3b 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1389,7 +1389,7 @@ int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf)
         ret = BTRFS_LEAF_DATA_SIZE(root) - leaf_space_used(leaf, 0, nritems);
         if (ret < 0) {
                 printk("leaf free space ret %d, leaf data size %lu, used %d nritems %d\n",
-                       ret, BTRFS_LEAF_DATA_SIZE(root),
+                       ret, (unsigned long) BTRFS_LEAF_DATA_SIZE(root),
                        leaf_space_used(leaf, 0, nritems), nritems);
         }
         return ret;