diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index b1063e9cdb1b77c35f3b8d2ec72656138ff93b5a..52c54a5720f3f308ff162039211c95cd3e6b403e 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -352,7 +352,7 @@ extern nodemask_t node_possible_map;
 #define node_possible(node)	node_isset((node), node_possible_map)
 #define first_online_node	first_node(node_online_map)
 #define next_online_node(nid)	next_node((nid), node_online_map)
-int highest_possible_node_id(void);
+extern int nr_node_ids;
 #else
 #define num_online_nodes()	1
 #define num_possible_nodes()	1
@@ -360,7 +360,7 @@ int highest_possible_node_id(void);
 #define node_possible(node)	((node) == 0)
 #define first_online_node	0
 #define next_online_node(nid)	(MAX_NUMNODES)
-#define highest_possible_node_id()	0
+#define nr_node_ids		1
 #endif
 
 #define any_online_node(mask)			\
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d461b23a27a1176decc9229edf45c8ae1c388472..f66538b3c31b1de6a144446b087515a85ab2c7de 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -664,6 +664,26 @@ static int rmqueue_bulk(struct zone *zone, unsigned int order,
 	return i;
 }
 
+#if MAX_NUMNODES > 1
+int nr_node_ids __read_mostly;
+EXPORT_SYMBOL(nr_node_ids);
+
+/*
+ * Figure out the number of possible node ids.
+ */
+static void __init setup_nr_node_ids(void)
+{
+	unsigned int node;
+	unsigned int highest = 0;
+
+	for_each_node_mask(node, node_possible_map)
+		highest = node;
+	nr_node_ids = highest + 1;
+}
+#else
+static void __init setup_nr_node_ids(void) {}
+#endif
+
 #ifdef CONFIG_NUMA
 /*
  * Called from the slab reaper to drain pagesets on a particular node that
@@ -3169,6 +3189,7 @@ static int __init init_per_zone_pages_min(void)
 		min_free_kbytes = 65536;
 	setup_per_zone_pages_min();
 	setup_per_zone_lowmem_reserve();
+	setup_nr_node_ids();
 	return 0;
 }
 module_init(init_per_zone_pages_min)
@@ -3370,18 +3391,4 @@ EXPORT_SYMBOL(pfn_to_page);
 EXPORT_SYMBOL(page_to_pfn);
 #endif /* CONFIG_OUT_OF_LINE_PFN_TO_PAGE */
 
-#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
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 4ab137403e1ac3b0ff075b97dde73308bc843c8c..232a99715ef2ff4aaa2c6159c1e488f88262d988 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -115,7 +115,7 @@ svc_pool_map_alloc_arrays(struct svc_pool_map *m, unsigned int maxpools)
 static int
 svc_pool_map_init_percpu(struct svc_pool_map *m)
 {
-	unsigned int maxpools = highest_possible_processor_id()+1;
+	unsigned int maxpools = highest_possible_processor_id() + 1;
 	unsigned int pidx = 0;
 	unsigned int cpu;
 	int err;
@@ -143,7 +143,7 @@ svc_pool_map_init_percpu(struct svc_pool_map *m)
 static int
 svc_pool_map_init_pernode(struct svc_pool_map *m)
 {
-	unsigned int maxpools = highest_possible_node_id()+1;
+	unsigned int maxpools = nr_node_ids;
 	unsigned int pidx = 0;
 	unsigned int node;
 	int err;