From a5ce78034474cf63f00bb946282fa88b68a89f5a Mon Sep 17 00:00:00 2001
From: Konstantin Khlebnikov <khlebnikov@openvz.org>
Date: Thu, 17 Nov 2011 10:41:22 +1100
Subject: [PATCH] mm-add-free_hot_cold_page_list-helper-v3

v3: Always free pages in reverse order.
    The most recently added struct page, the most likely to be hot.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/swap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/swap.c b/mm/swap.c
index bd4abc4991e8..67a09a633a09 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -619,7 +619,7 @@ void release_pages(struct page **pages, int nr, int cold)
 			del_page_from_lru(zone, page);
 		}
 
-		list_add_tail(&page->lru, &pages_to_free);
+		list_add(&page->lru, &pages_to_free);
 	}
 	if (zone)
 		spin_unlock_irqrestore(&zone->lru_lock, flags);
-- 
2.39.5