From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Subject: [PATCH v4, part3 09/15] mm: use managed_pages to calculate default zonelist order Date: Sat, 6 Apr 2013 21:55:03 +0800 Message-ID: <1365256509-29024-10-git-send-email-jiang.liu@huawei.com> References: <1365256509-29024-1-git-send-email-jiang.liu@huawei.com> Return-path: Received: from mail-pb0-f54.google.com ([209.85.160.54]:57557 "EHLO mail-pb0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423023Ab3DFN5D (ORCPT ); Sat, 6 Apr 2013 09:57:03 -0400 In-Reply-To: <1365256509-29024-1-git-send-email-jiang.liu@huawei.com> Sender: linux-arch-owner@vger.kernel.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 c3c3eda..1f94380 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3449,8 +3449,8 @@ 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 -- 1.7.9.5