From a3d8e0549d913e30968fa02e505dfe02c0a23e0d Mon Sep 17 00:00:00 2001 From: KOSAKI Motohiro Date: Wed, 7 Jan 2009 18:08:19 -0800 Subject: memcg: add mem_cgroup_zone_nr_pages() Introduce mem_cgroup_zone_nr_pages(). It is called by zone_nr_pages() helper function. This patch doesn't have any behavior change. Acked-by: KAMEZAWA Hiroyuki Acked-by: Rik van Riel Signed-off-by: KOSAKI Motohiro Acked-by: Balbir Singh Cc: Daisuke Nishimura Cc: Hugh Dickins Cc: KOSAKI Motohiro Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/memcontrol.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'mm/memcontrol.c') diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 6611328460e..313247e6c50 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -186,7 +186,6 @@ pcg_default_flags[NR_CHARGE_TYPE] = { 0, /* FORCE */ }; - /* for encoding cft->private value on file */ #define _MEM (0) #define _MEMSWAP (1) @@ -448,6 +447,17 @@ int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg, struct zone *zone) return 0; } +unsigned long mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg, + struct zone *zone, + enum lru_list lru) +{ + int nid = zone->zone_pgdat->node_id; + int zid = zone_idx(zone); + struct mem_cgroup_per_zone *mz = mem_cgroup_zoneinfo(memcg, nid, zid); + + return MEM_CGROUP_ZSTAT(mz, lru); +} + unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan, struct list_head *dst, unsigned long *scanned, int order, -- cgit v1.2.3