diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 70d6d727c91a..45445a1600a9 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -214,6 +214,11 @@ void __init fdt_scan_reserved_mem_reg_nodes(void)
 			       uname);
 			continue;
 		}
+
+		if (len > t_len)
+			pr_warn("%s() ignores %d regions in node '%s'\n",
+				__func__, len / t_len - 1, uname);
+
 		base = dt_mem_next_cell(dt_root_addr_cells, &prop);
 		size = dt_mem_next_cell(dt_root_size_cells, &prop);