From: Kirill A. Shutemov <kirill@shutemov.name>
Date: Tue, 22 Mar 2011 23:33:41 +0000 (-0700)
Subject: mm/page_alloc.c: use list_move() instead of list_del()/list_add() combination
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=84be48d84a53044e13aa8816aab201ab5480815d;p=linux-beck.git

mm/page_alloc.c: use list_move() instead of list_del()/list_add() combination

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 136a547262a0..3a58221f4c22 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -867,9 +867,8 @@ static int move_freepages(struct zone *zone,
 		}
 
 		order = page_order(page);
-		list_del(&page->lru);
-		list_add(&page->lru,
-			&zone->free_area[order].free_list[migratetype]);
+		list_move(&page->lru,
+			  &zone->free_area[order].free_list[migratetype]);
 		page += 1 << order;
 		pages_moved += 1 << order;
 	}