From: Jiang Liu <liuj97@gmail.com>
Date: Sat, 23 Feb 2013 00:33:56 +0000 (-0800)
Subject: mm: increase totalram_pages when free pages allocated by bootmem allocator
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c60514b6314137a9505c60966fda2094b22a2fda;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index a9072a16a160..77a6abfe3291 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++;
 	}
 
 }