Re: 2.6.14-mm2

[KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>]

Hi,

This patch was needed to add new pages into empty zone.

-- Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

--
This is a fix to add pages into empty zone.

fixes free_area_init_code, which doesn't calles
init_currently_empty_zone() if zone size is 0.

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



Index: linux-2.6.14-mm2/mm/page_alloc.c
===================================================================
--- linux-2.6.14-mm2.orig/mm/page_alloc.c
+++ linux-2.6.14-mm2/mm/page_alloc.c
@@ -2054,11 +2054,11 @@ static void __init free_area_init_core(s
  		zone->nr_active = 0;
  		zone->nr_inactive = 0;
  		atomic_set(&zone->reclaim_in_progress, 0);
+		init_currently_empty_zone(zone, zone_start_pfn, size);
  		if (!size)
  			continue;

  		zonetable_add(zone, nid, j, zone_start_pfn, size);
-		init_currently_empty_zone(zone, zone_start_pfn, size);
  		zone_start_pfn += size;
  	}
  }