[RFC][PATCH 9/10] memcg: clean up perzone stat

[KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>]

This patch renames
  mem_cgroup_get_local_zonestat() to be
  mem_cgroup_get_lru_stat().

That "local" means "don't consider hierarchy" but ...ambiguous.
We all know lru is per memcg private, this name is better.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

---
 mm/memcontrol.c |   20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

Index: temp-mmotm/mm/memcontrol.c
===================================================================
--- temp-mmotm.orig/mm/memcontrol.c
+++ temp-mmotm/mm/memcontrol.c
@@ -488,7 +488,7 @@ unsigned long mem_cgroup_zone_nr_pages(s
 }
 
 
-static unsigned long mem_cgroup_get_local_zonestat(struct mem_cgroup *mem,
+static unsigned long mem_cgroup_get_lru_stat(struct mem_cgroup *mem,
 					enum lru_list idx)
 {
 	int nid, zid;
@@ -885,8 +885,8 @@ static int calc_inactive_ratio(struct me
 	unsigned long gb;
 	unsigned long inactive_ratio;
 
-	inactive = mem_cgroup_get_local_zonestat(memcg, LRU_INACTIVE_ANON);
-	active = mem_cgroup_get_local_zonestat(memcg, LRU_ACTIVE_ANON);
+	inactive = mem_cgroup_get_lru_stat(memcg, LRU_INACTIVE_ANON);
+	active = mem_cgroup_get_lru_stat(memcg, LRU_ACTIVE_ANON);
 
 	gb = (inactive + active) >> (30 - PAGE_SHIFT);
 	if (gb)
@@ -925,8 +925,8 @@ int mem_cgroup_inactive_file_is_low(stru
 	unsigned long active;
 	unsigned long inactive;
 
-	inactive = mem_cgroup_get_local_zonestat(memcg, LRU_INACTIVE_FILE);
-	active = mem_cgroup_get_local_zonestat(memcg, LRU_ACTIVE_FILE);
+	inactive = mem_cgroup_get_lru_stat(memcg, LRU_INACTIVE_FILE);
+	active = mem_cgroup_get_lru_stat(memcg, LRU_ACTIVE_FILE);
 
 	return (active > inactive);
 }
@@ -2779,15 +2779,15 @@ static int mem_cgroup_get_local_stat(str
 	}
 
 	/* per zone stat */
-	val = mem_cgroup_get_local_zonestat(mem, LRU_INACTIVE_ANON);
+	val = mem_cgroup_get_lru_stat(mem, LRU_INACTIVE_ANON);
 	s->stat[MCS_INACTIVE_ANON] += val * PAGE_SIZE;
-	val = mem_cgroup_get_local_zonestat(mem, LRU_ACTIVE_ANON);
+	val = mem_cgroup_get_lru_stat(mem, LRU_ACTIVE_ANON);
 	s->stat[MCS_ACTIVE_ANON] += val * PAGE_SIZE;
-	val = mem_cgroup_get_local_zonestat(mem, LRU_INACTIVE_FILE);
+	val = mem_cgroup_get_lru_stat(mem, LRU_INACTIVE_FILE);
 	s->stat[MCS_INACTIVE_FILE] += val * PAGE_SIZE;
-	val = mem_cgroup_get_local_zonestat(mem, LRU_ACTIVE_FILE);
+	val = mem_cgroup_get_lru_stat(mem, LRU_ACTIVE_FILE);
 	s->stat[MCS_ACTIVE_FILE] += val * PAGE_SIZE;
-	val = mem_cgroup_get_local_zonestat(mem, LRU_UNEVICTABLE);
+	val = mem_cgroup_get_lru_stat(mem, LRU_UNEVICTABLE);
 	s->stat[MCS_UNEVICTABLE] += val * PAGE_SIZE;
 	return 0;
 }

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