From: Jiang Liu <liuj97@gmail.com>
Date: Thu, 27 Jun 2013 23:51:53 +0000 (+1000)
Subject: mm/hotplug: prepare for removing num_physpages
X-Git-Tag: next-20130628~3^2~487
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=48a2dfdebe4f1ff6d3786a2df627d88074ad6165;p=karo-tx-linux.git

mm/hotplug: prepare for removing num_physpages

Prepare for removing num_physpages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 246acc4e1cc5..f5ba127b2051 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -763,10 +763,6 @@ EXPORT_SYMBOL_GPL(restore_online_page_callback);
 
 void __online_page_set_limits(struct page *page)
 {
-	unsigned long pfn = page_to_pfn(page);
-
-	if (pfn >= num_physpages)
-		num_physpages = pfn + 1;
 }
 EXPORT_SYMBOL_GPL(__online_page_set_limits);