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-rw-r--r--mm/page_alloc.c45
1 files changed, 25 insertions, 20 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8b000d6803c..d8970623c56 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -136,6 +136,11 @@ static unsigned long __meminitdata dma_reserve;
#endif /* CONFIG_MEMORY_HOTPLUG_RESERVE */
#endif /* CONFIG_ARCH_POPULATES_NODE_MAP */
+#if MAX_NUMNODES > 1
+int nr_node_ids __read_mostly = MAX_NUMNODES;
+EXPORT_SYMBOL(nr_node_ids);
+#endif
+
#ifdef CONFIG_DEBUG_VM
static int page_outside_zone_boundaries(struct zone *zone, struct page *page)
{
@@ -669,26 +674,6 @@ static int rmqueue_bulk(struct zone *zone, unsigned int order,
return i;
}
-#if MAX_NUMNODES > 1
-int nr_node_ids __read_mostly = MAX_NUMNODES;
-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 vmstat counter updater to drain pagesets of this
@@ -2733,6 +2718,26 @@ void __meminit free_area_init_node(int nid, struct pglist_data *pgdat,
}
#ifdef CONFIG_ARCH_POPULATES_NODE_MAP
+
+#if MAX_NUMNODES > 1
+/*
+ * 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 inline void setup_nr_node_ids(void)
+{
+}
+#endif
+
/**
* add_active_range - Register a range of PFNs backed by physical memory
* @nid: The node ID the range resides on