From 8080fc038e91265e1002df7cae805fc17bb772fc Mon Sep 17 00:00:00 2001
From: Xishi Qiu <qiuxishi@huawei.com>
Date: Wed, 11 Sep 2013 14:21:45 -0700
Subject: mm: use zone_is_empty() instead of if(zone->spanned_pages)

Use "zone_is_empty()" instead of "if (zone->spanned_pages)".
Simplify the code, no functional change.

Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'mm/page_alloc.c')

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f885eb827159..7c3f8d7e2d8e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1306,7 +1306,7 @@ void mark_free_pages(struct zone *zone)
 	int order, t;
 	struct list_head *curr;
 
-	if (!zone->spanned_pages)
+	if (zone_is_empty(zone))
 		return;
 
 	spin_lock_irqsave(&zone->lock, flags);
-- 
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