From: Jiang Liu <liuj97@gmail.com>
Date: Thu, 7 Feb 2013 01:26:42 +0000 (+1100)
Subject: mm: increase totalram_pages when free pages allocated by bootmem allocator
X-Git-Tag: next-20130218~1^2~404
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a65572ff6eb78ff893cd9e793b2ddfe6c1c71f54;p=karo-tx-linux.git

mm: increase totalram_pages when free pages allocated by bootmem allocator

Function put_page_bootmem() is used to free pages allocated by bootmem
allocator, so it should increase totalram_pages when freeing pages into
the buddy system.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Maciej Rutecki <maciej.rutecki@gmail.com>
Cc: Chris Clayton <chris2553@googlemail.com>
Cc: "Rafael J . Wysocki" <rjw@sisk.pl>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Minchan Kim <minchan@kernel.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Jianguo Wu <wujianguo@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 0653b97988fc..e675cc5357d9 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -124,6 +124,7 @@ void __ref put_page_bootmem(struct page *page)
 		mutex_lock(&ppb_lock);
 		__free_pages_bootmem(page, 0);
 		mutex_unlock(&ppb_lock);
+		totalram_pages++;
 	}
 
 }