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Message-Id: <20081203135555.14a992cb.kamezawa.hiroyu@jp.fujitsu.com>
Date: Wed, 3 Dec 2008 13:55:55 +0900
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: "linux-mm@...ck.org" <linux-mm@...ck.org>,
"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
"kosaki.motohiro@...fujitsu.com" <kosaki.motohiro@...fujitsu.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 8/21] make-zone-nr_pages-helper-function.patch
make zone_nr_pages() helper function.
it is used by latter patch.
this patch doesn't have any functional change.
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Acked-by: Rik van Riel <riel@...hat.com>
mm/vmscan.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
Index: mmotm-2.6.28-Dec02/mm/vmscan.c
===================================================================
--- mmotm-2.6.28-Dec02.orig/mm/vmscan.c
+++ mmotm-2.6.28-Dec02/mm/vmscan.c
@@ -137,6 +137,13 @@ 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
*/
@@ -1419,10 +1426,10 @@ 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. */
--
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