diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index e4399fa65ad6b921aa88ed2a881d27118dda2dbb..4634ac9cdb38e8fd31ed06f073078f8e7010c6e4 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -505,7 +505,8 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,
 
 not_found:
 	spin_unlock_irqrestore(&io_tlb_lock, flags);
-	dev_warn(hwdev, "swiotlb buffer is full\n");
+	if (printk_ratelimit())
+		dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size);
 	return SWIOTLB_MAP_ERROR;
 found:
 	spin_unlock_irqrestore(&io_tlb_lock, flags);