Messages in this thread Patch in this message | | | Date | Wed, 3 Dec 2008 13:55:55 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | [PATCH 8/21] make-zone-nr_pages-helper-function.patch |
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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@jp.fujitsu.com> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Rik van Riel <riel@redhat.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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