diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c
index c007d25bee0987a64de11f53e587c0b9035bdd66..3a2397444076e89655909a19f2377f5c3a5cf83c 100644
--- a/kernel/dma/debug.c
+++ b/kernel/dma/debug.c
@@ -442,6 +442,7 @@ void debug_dma_dump_mappings(struct device *dev)
 		}
 
 		spin_unlock_irqrestore(&bucket->lock, flags);
+		cond_resched();
 	}
 }