---

yaml
---
r: 283526
b: refs/heads/master
c: 54eed6c
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 54c29c635ae91f5d75ced7bffeaa77ba37ca02bb
+refs/heads/master: 54eed6cb16ec315565aaaf8e34252ca253a68b7b

trunk/arch/x86/mm/numa.c

@@ -430,17 +430,19 @@ static int __init numa_alloc_distance(void)
  * calls are ignored until the distance table is reset with
  * numa_reset_distance().
  *
- * If @from or @to is higher than the highest known node at the time of
- * table creation or @distance doesn't make sense, the call is ignored.
+ * If @from or @to is higher than the highest known node or lower than zero
+ * at the time of table creation or @distance doesn't make sense, the call
+ * is ignored.
  * This is to allow simplification of specific NUMA config implementations.
  */
 void __init numa_set_distance(int from, int to, int distance)
 {
 	if (!numa_distance && numa_alloc_distance() < 0)
 		return;
 
-	if (from >= numa_distance_cnt || to >= numa_distance_cnt) {
-		printk_once(KERN_DEBUG "NUMA: Debug: distance out of bound, from=%d to=%d distance=%d\n",
+	if (from >= numa_distance_cnt || to >= numa_distance_cnt ||
+			from < 0 || to < 0) {
+		pr_warn_once("NUMA: Warning: node ids are out of bound, from=%d to=%d distance=%d\n",
 			    from, to, distance);
 		return;
 	}