From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx196.postini.com [74.125.245.196]) by kanga.kvack.org (Postfix) with SMTP id 223276B003D for ; Fri, 17 May 2013 11:46:35 -0400 (EDT) Received: by mail-pb0-f49.google.com with SMTP id rp8so2115447pbb.8 for ; Fri, 17 May 2013 08:46:34 -0700 (PDT) From: Jiang Liu Subject: [PATCH v7, part3 09/16] mm: use managed_pages to calculate default zonelist order Date: Fri, 17 May 2013 23:45:11 +0800 Message-Id: <1368805518-2634-10-git-send-email-jiang.liu@huawei.com> In-Reply-To: <1368805518-2634-1-git-send-email-jiang.liu@huawei.com> References: <1368805518-2634-1-git-send-email-jiang.liu@huawei.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Jiang Liu , David Rientjes , Wen Congyang , Mel Gorman , Minchan Kim , KAMEZAWA Hiroyuki , Michal Hocko , James Bottomley , Sergei Shtylyov , David Howells , Mark Salter , Jianguo Wu , linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Mel Gorman , Marek Szyprowski Use zone->managed_pages instead of zone->present_pages to calculate default zonelist order because managed_pages means allocatable pages. Signed-off-by: Jiang Liu Cc: Mel Gorman Cc: Minchan Kim Cc: Marek Szyprowski Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 88c8642..f7714c8 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3451,8 +3451,8 @@ static int default_zonelist_order(void) z = &NODE_DATA(nid)->node_zones[zone_type]; if (populated_zone(z)) { if (zone_type < ZONE_NORMAL) - low_kmem_size += z->present_pages; - total_size += z->present_pages; + low_kmem_size += z->managed_pages; + total_size += z->managed_pages; } else if (zone_type == ZONE_NORMAL) { /* * If any node has only lowmem, then node order -- 1.8.1.2 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org