[PATCH] memcg: convert to zone_nid() from bare zone->zone_pgdat->node_id

[KOSAKI Motohiro]

Now, we have zone_nid(). this patch convert all existing users of
zone->zone_pgdat.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
---
 mm/memcontrol.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 82e191f..3d5b645 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -951,7 +951,7 @@ 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 nid = zone_nid(zone);
 	int zid = zone_idx(zone);
 	struct mem_cgroup_per_zone *mz = mem_cgroup_zoneinfo(memcg, nid, zid);
 
@@ -961,7 +961,7 @@ unsigned long mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg,
 struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg,
 						      struct zone *zone)
 {
-	int nid = zone->zone_pgdat->node_id;
+	int nid = zone_nid(zone);
 	int zid = zone_idx(zone);
 	struct mem_cgroup_per_zone *mz = mem_cgroup_zoneinfo(memcg, nid, zid);
 
@@ -1006,7 +1006,7 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 	LIST_HEAD(pc_list);
 	struct list_head *src;
 	struct page_cgroup *pc, *tmp;
-	int nid = z->zone_pgdat->node_id;
+	int nid = zone_nid(z);
 	int zid = zone_idx(z);
 	struct mem_cgroup_per_zone *mz;
 	int lru = LRU_FILE * file + active;
-- 
1.6.5.2



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