From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755302AbYK3LAN (ORCPT ); Sun, 30 Nov 2008 06:00:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751438AbYK3K76 (ORCPT ); Sun, 30 Nov 2008 05:59:58 -0500 Received: from fgwnews.fujitsu.co.jp ([164.71.1.134]:36594 "EHLO fgwnews.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751384AbYK3K75 (ORCPT ); Sun, 30 Nov 2008 05:59:57 -0500 From: KOSAKI Motohiro To: LKML , linux-mm , Andrew Morton , Balbir Singh , KAMEZAWA Hiroyuki , Rik van Riel Subject: [PATCH 05/09] make zone_nr_pages() helper function Cc: kosaki.motohiro@jp.fujitsu.com In-Reply-To: <20081130193502.8145.KOSAKI.MOTOHIRO@jp.fujitsu.com> References: <20081130193502.8145.KOSAKI.MOTOHIRO@jp.fujitsu.com> Message-Id: <20081130195919.8154.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.42 [ja] Date: Sun, 30 Nov 2008 19:59:55 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org make zone_nr_pages() function. it is used by latter patch. this patch doesn't have any functional change. Signed-off-by: KOSAKI Motohiro --- mm/vmscan.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) Index: b/mm/vmscan.c =================================================================== --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -140,6 +140,13 @@ static struct zone_reclaim_stat *get_rec return &zone->reclaim_stat; } +static unsigned long zone_nr_pages(struct zone *zone, struct scan_control *sc, + enum lru_list lru) +{ + return zone_page_state(zone, NR_LRU_BASE + lru); +} + + /* * Add a shrinker callback to be called from the vm */ @@ -1435,10 +1442,10 @@ static void get_scan_ratio(struct zone * return; } - anon = zone_page_state(zone, NR_ACTIVE_ANON) + - zone_page_state(zone, NR_INACTIVE_ANON); - file = zone_page_state(zone, NR_ACTIVE_FILE) + - zone_page_state(zone, NR_INACTIVE_FILE); + anon = zone_nr_pages(zone, sc, LRU_ACTIVE_ANON) + + zone_nr_pages(zone, sc, LRU_INACTIVE_ANON); + file = zone_nr_pages(zone, sc, LRU_ACTIVE_FILE) + + zone_nr_pages(zone, sc, LRU_INACTIVE_FILE); free = zone_page_state(zone, NR_FREE_PAGES); /* If we have very few page cache pages, force-scan anon pages. */