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

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

[KAMEZAWA Hiroyuki]

memory_map registlation in zone initialization.

Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

Index: hogehoge/mm/page_alloc.c
===================================================================
--- hogehoge.orig/mm/page_alloc.c
+++ 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);

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