Merge commit 'v2.6.29-rc7' into core/locking

1 files changed, 12 insertions, 16 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index cf84413..ae6f4c1 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2059,31 +2059,31 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio,
 				      int pass, struct scan_control *sc)
 {
 	struct zone *zone;
-	unsigned long nr_to_scan, ret = 0;
-	enum lru_list l;
+	unsigned long ret = 0;
 
 	for_each_zone(zone) {
+		enum lru_list l;
 
 		if (!populated_zone(zone))
 			continue;
-
 		if (zone_is_all_unreclaimable(zone) && prio != DEF_PRIORITY)
 			continue;
 
 		for_each_evictable_lru(l) {
+			enum zone_stat_item ls = NR_LRU_BASE + l;
+			unsigned long lru_pages = zone_page_state(zone, ls);
+
 			/* For pass = 0, we don't shrink the active list */
-			if (pass == 0 &&
-				(l == LRU_ACTIVE || l == LRU_ACTIVE_FILE))
+			if (pass == 0 && (l == LRU_ACTIVE_ANON ||
+						l == LRU_ACTIVE_FILE))
 				continue;
 
-			zone->lru[l].nr_scan +=
-				(zone_page_state(zone, NR_LRU_BASE + l)
-								>> prio) + 1;
+			zone->lru[l].nr_scan += (lru_pages >> prio) + 1;
 			if (zone->lru[l].nr_scan >= nr_pages || pass > 3) {
+				unsigned long nr_to_scan;
+
 				zone->lru[l].nr_scan = 0;
-				nr_to_scan = min(nr_pages,
-					zone_page_state(zone,
-							NR_LRU_BASE + l));
+				nr_to_scan = min(nr_pages, lru_pages);
 				ret += shrink_list(l, nr_to_scan, zone,
 								sc, prio);
 				if (ret >= nr_pages)
@@ -2091,7 +2091,6 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio,
 			}
 		}
 	}
-
 	return ret;
 }
 
@@ -2114,7 +2113,6 @@ unsigned long shrink_all_memory(unsigned long nr_pages)
 		.may_swap = 0,
 		.swap_cluster_max = nr_pages,
 		.may_writepage = 1,
-		.swappiness = vm_swappiness,
 		.isolate_pages = isolate_pages_global,
 	};
 
@@ -2148,10 +2146,8 @@ unsigned long shrink_all_memory(unsigned long nr_pages)
 		int prio;
 
 		/* Force reclaiming mapped pages in the passes #3 and #4 */
-		if (pass > 2) {
+		if (pass > 2)
 			sc.may_swap = 1;
-			sc.swappiness = 100;
-		}
 
 		for (prio = DEF_PRIORITY; prio >= 0; prio--) {
 			unsigned long nr_to_scan = nr_pages - ret;