X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=lib%2Fcpumask.c;h=7a2a73f88d594dc73282c24e3d0304a602a10a25;hb=9ffbb9162312fd8113037cb3d94f787f06bbfa9a;hp=3a67dc5ada7d5b2655ae461890519e995d50d7c9;hpb=1b9a3917366028cc451a98dd22e3bcd537d4e5c1;p=~andy%2Flinux

diff --git a/lib/cpumask.c b/lib/cpumask.c
index 3a67dc5ada7..7a2a73f88d5 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -43,3 +43,19 @@ int __any_online_cpu(const cpumask_t *mask)
 	return cpu;
 }
 EXPORT_SYMBOL(__any_online_cpu);
+
+#if MAX_NUMNODES > 1
+/*
+ * Find the highest possible node id.
+ */
+int highest_possible_node_id(void)
+{
+	unsigned int node;
+	unsigned int highest = 0;
+
+	for_each_node_mask(node, node_possible_map)
+		highest = node;
+	return highest;
+}
+EXPORT_SYMBOL(highest_possible_node_id);
+#endif