From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Subject: [PATCH v5, part3 09/15] mm: use managed_pages to calculate default zonelist order Date: Wed, 8 May 2013 23:17:08 +0800 Message-ID: <1368026235-5976-10-git-send-email-jiang.liu@huawei.com> References: <1368026235-5976-1-git-send-email-jiang.liu@huawei.com> Return-path: In-Reply-To: <1368026235-5976-1-git-send-email-jiang.liu@huawei.com> Sender: owner-linux-mm@kvack.org 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 List-Id: linux-arch.vger.kernel.org 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 4a9ecd8..1b177bb 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 -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f180.google.com ([209.85.192.180]:39186 "EHLO mail-pd0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755384Ab3EHPTf (ORCPT ); Wed, 8 May 2013 11:19:35 -0400 From: Jiang Liu Subject: [PATCH v5, part3 09/15] mm: use managed_pages to calculate default zonelist order Date: Wed, 8 May 2013 23:17:08 +0800 Message-ID: <1368026235-5976-10-git-send-email-jiang.liu@huawei.com> In-Reply-To: <1368026235-5976-1-git-send-email-jiang.liu@huawei.com> References: <1368026235-5976-1-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 Message-ID: <20130508151708.FWa2bL6dJ82sQO1TBopk-buS80_30EpvVXJaMq-srbk@z> 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 4a9ecd8..1b177bb 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