linux-kernel - [PATCH 11/13] mm: use list_move() instead of list_del()/list

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Date:	Wed, 16 Mar 2011 00:53:23 +0200
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	linux-kernel@...r.kernel.org
Cc:	"Kirill A. Shutemov" <kirill@...temov.name>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>, Rik van Riel <riel@...hat.com>,
	Christoph Lameter <cl@...ux.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	linux-mm@...ck.org
Subject: [PATCH 11/13] mm: use list_move() instead of list_del()/list_add() combination

Signed-off-by: Kirill A. Shutemov <kirill@...temov.name>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Mel Gorman <mel@....ul.ie>
Cc: Rik van Riel <riel@...hat.com>
Cc: Christoph Lameter <cl@...ux.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: linux-mm@...ck.org
---
 mm/page_alloc.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index cdef1d4..55fa2ae 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -863,9 +863,8 @@ 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;
 	}
-- 
1.7.4.1

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