---

yaml --- r: 127588 b: refs/heads/master c: 9439c1c h: refs/heads/master v: v3
git-mirror · Jan 8, 2009 · 5628be2 · 5628be2
1 parent cd22988
commit 5628be2
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Showing 4 changed files with 11 additions and 49 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3e2f41f1f64744f7942980d93cc93dd3e5924560
+refs/heads/master: 9439c1c95b5c25b8031b2a7eb7e1590eb84be7f5
diff --git a/trunk/include/linux/memcontrol.h b/trunk/include/linux/memcontrol.h
@@ -97,9 +97,6 @@ extern void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
 							int priority);
 extern void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
 							int priority);
-
-extern long mem_cgroup_calc_reclaim(struct mem_cgroup *mem, struct zone *zone,
-					int priority, enum lru_list lru);
 int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg,
 				    struct zone *zone);
 unsigned long mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg,
@@ -244,13 +241,6 @@ static inline void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
 {
 }
 
-static inline long mem_cgroup_calc_reclaim(struct mem_cgroup *mem,
-					struct zone *zone, int priority,
-					enum lru_list lru)
-{
-	return 0;
-}
-
 static inline bool mem_cgroup_disabled(void)
 {
 	return true;

diff --git a/trunk/mm/memcontrol.c b/trunk/mm/memcontrol.c
@@ -414,27 +414,6 @@ void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem, int priority)
 	mem->prev_priority = priority;
 }
 
-/*
- * Calculate # of pages to be scanned in this priority/zone.
- * See also vmscan.c
- *
- * priority starts from "DEF_PRIORITY" and decremented in each loop.
- * (see include/linux/mmzone.h)
- */
-
-long mem_cgroup_calc_reclaim(struct mem_cgroup *mem, struct zone *zone,
-					int priority, enum lru_list lru)
-{
-	long nr_pages;
-	int nid = zone->zone_pgdat->node_id;
-	int zid = zone_idx(zone);
-	struct mem_cgroup_per_zone *mz = mem_cgroup_zoneinfo(mem, nid, zid);
-
-	nr_pages = MEM_CGROUP_ZSTAT(mz, lru);
-
-	return (nr_pages >> priority);
-}
-
 int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg, struct zone *zone)
 {
 	unsigned long active;

diff --git a/trunk/mm/vmscan.c b/trunk/mm/vmscan.c
@@ -1466,30 +1466,23 @@ static void shrink_zone(int priority, struct zone *zone,
 	get_scan_ratio(zone, sc, percent);
 
 	for_each_evictable_lru(l) {
-		if (scan_global_lru(sc)) {
-			int file = is_file_lru(l);
-			int scan;
+		int file = is_file_lru(l);
+		int scan;
 
-			scan = zone_page_state(zone, NR_LRU_BASE + l);
-			if (priority) {
-				scan >>= priority;
-				scan = (scan * percent[file]) / 100;
-			}
+		scan = zone_page_state(zone, NR_LRU_BASE + l);
+		if (priority) {
+			scan >>= priority;
+			scan = (scan * percent[file]) / 100;
+		}
+		if (scan_global_lru(sc)) {
 			zone->lru[l].nr_scan += scan;
 			nr[l] = zone->lru[l].nr_scan;
 			if (nr[l] >= swap_cluster_max)
 				zone->lru[l].nr_scan = 0;
 			else
 				nr[l] = 0;
-		} else {
-			/*
-			 * This reclaim occurs not because zone memory shortage
-			 * but because memory controller hits its limit.
-			 * Don't modify zone reclaim related data.
-			 */
-			nr[l] = mem_cgroup_calc_reclaim(sc->mem_cgroup, zone,
-								priority, l);
-		}
+		} else
+			nr[l] = scan;
 	}
 
 	while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] ||