pealing off zone from physical memory layout [5/10] register memory map

Index: hogehoge/mm/page_alloc.c
===================================================================
@@ -37,6 +37,7 @@
 #include <linux/nodemask.h>
 #include <linux/vmalloc.h>
 #include <linux/mempolicy.h>
+#include <linux/memorymap.h>
 
 #include <asm/tlbflush.h>
 #include "internal.h"

@@ -2014,6 +2015,7 @@ static __meminit void init_currently_emp
 	memmap_init(size, pgdat->node_id, zone_idx(zone), zone_start_pfn);
 
 	zone_init_free_lists(pgdat, zone, zone->spanned_pages);
+	arch_register_memory_zone(zone, zone_start_pfn, size);
 }
 
 /*

@@ -2029,6 +2031,8 @@ static void __init free_area_init_core(s
 	int nid = pgdat->node_id;
 	unsigned long zone_start_pfn = pgdat->node_start_pfn;
 
+	if (nid == 0)
+		setup_memory_map();
 	pgdat_resize_init(pgdat);
 	pgdat->nr_zones = 0;
 	init_waitqueue_head(&pgdat->kswapd_wait);