[PATCH] Have ia64 use add_active_range() and free_area_init_nodes

Size zones and holes in an architecture independent manner for ia64.

[bob.picco@hp.com: fix ia64 FLATMEM+VIRTUAL_MEM_MAP]
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Bob Picco <bob.picco@hp.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Andi Kleen <ak@muc.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "Keith Mannthey" <kmannth@gmail.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Signed-off-by: Bob Picco <bob.picco@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 30617cc..ff87a5c 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -593,6 +593,18 @@
 	last_end = end;
 	return 0;
 }
+
+int __init
+register_active_ranges(u64 start, u64 end, void *nid)
+{
+	BUG_ON(nid == NULL);
+	BUG_ON(*(unsigned long *)nid >= MAX_NUMNODES);
+
+	add_active_range(*(unsigned long *)nid,
+				__pa(start) >> PAGE_SHIFT,
+				__pa(end) >> PAGE_SHIFT);
+	return 0;
+}
 #endif /* CONFIG_VIRTUAL_MEM_MAP */
 
 static int __init