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mm/vmscan: replace zone_nr_lru_pages() with get_lruvec_size()

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If memory cgroup is enabled we always use lruvecs which are embedded into
struct mem_cgroup_per_zone, so we can reach lru_size counters via
container_of().

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Konstantin Khlebnikov
2012-05-29 15:07:00 -07:00
committed by Linus Torvalds
parent 27ac81d85e
commit 074291fea8
3 changed files with 27 additions and 19 deletions
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6
include/linux/memcontrol.h
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@@ -123,8 +123,7 @@ int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg,
int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg,
struct zone *zone);
int mem_cgroup_select_victim_node(struct mem_cgroup *memcg);
unsigned long mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg,
int nid, int zid, unsigned int lrumask);
unsigned long mem_cgroup_get_lruvec_size(struct lruvec *lruvec, enum lru_list);
struct zone_reclaim_stat*
mem_cgroup_get_reclaim_stat_from_page(struct page *page);
extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
@@ -343,8 +342,7 @@ mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg, struct zone *zone)
}
static inline unsigned long
mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid,
unsigned int lru_mask)
mem_cgroup_get_lruvec_size(struct lruvec *lruvec, enum lru_list lru)
{
return 0;
}