From: Andrew Morton <akpm@linux-foundation.org>
Date: Fri, 28 Sep 2012 00:19:41 +0000 (+1000)
Subject: memory-hotplug-fix-pages-missed-by-race-rather-than-failng-fix
X-Git-Tag: next-20121005~1^2~257
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1b8f4f0e025e96f3f5369df90823dbe9e5a4c7ff;p=karo-tx-linux.git

memory-hotplug-fix-pages-missed-by-race-rather-than-failng-fix

small cleanup

Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index c7445d1e1ccf..5f34a9053ce0 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -209,8 +209,9 @@ __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn)
 			 * MIGRATE_ISOLATE list.
 			 */
 			if (get_freepage_migratetype(page) != MIGRATE_ISOLATE) {
-				struct page *end_page = page +
-						(1 << page_order(page)) - 1;
+				struct page *end_page;
+
+				end_page = page + (1 << page_order(page)) - 1;
 				move_freepages(page_zone(page), page, end_page,
 						MIGRATE_ISOLATE);
 			}