Signed-off-by: Christoph Lameter <clameter@sgi.com>

Index: linux-2.6.15-rc5-mm2/include/linux/mmzone.h
===================================================================
--- linux-2.6.15-rc5-mm2.orig/include/linux/mmzone.h	2005-12-12 16:50:21.000000000 -0800
+++ linux-2.6.15-rc5-mm2/include/linux/mmzone.h	2005-12-12 16:50:30.000000000 -0800
@@ -44,6 +44,23 @@ struct zone_padding {
 #define ZONE_PADDING(name)
 #endif
 
+enum zone_stat_item { NR_MAPPED, NR_PAGECACHE };
+#define NR_STAT_ITEMS 2
+
+/*
+ * A hacky way of defining atomic long. Remove when
+ * atomic_long_t becomes available.
+ */
+#ifdef CONFIG_64BIT
+#define atomic_long_t atomic64_t
+#define atomic_long_add atomic64_add
+#define atomic_long_read atomic64_read
+#else
+#define atomic_long_t atomic_t
+#define atomic_long_add atomic_add
+#define atomic_long_read atomic_read
+#endif
+
 struct per_cpu_pages {
 	int count;		/* number of pages in the list */
 	int high;		/* high watermark, emptying needed */