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-rw-r--r--mm/vmscan.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f3a55d1f9ab7..057e44b97aa1 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1430,13 +1430,6 @@ static void get_scan_ratio(struct zone *zone, struct scan_control *sc,
1430 unsigned long ap, fp; 1430 unsigned long ap, fp;
1431 struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(zone, sc); 1431 struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(zone, sc);
1432 1432
1433 /* If we have no swap space, do not bother scanning anon pages. */
1434 if (!sc->may_swap || (nr_swap_pages <= 0)) {
1435 percent[0] = 0;
1436 percent[1] = 100;
1437 return;
1438 }
1439
1440 anon = zone_nr_pages(zone, sc, LRU_ACTIVE_ANON) + 1433 anon = zone_nr_pages(zone, sc, LRU_ACTIVE_ANON) +
1441 zone_nr_pages(zone, sc, LRU_INACTIVE_ANON); 1434 zone_nr_pages(zone, sc, LRU_INACTIVE_ANON);
1442 file = zone_nr_pages(zone, sc, LRU_ACTIVE_FILE) + 1435 file = zone_nr_pages(zone, sc, LRU_ACTIVE_FILE) +
@@ -1534,15 +1527,22 @@ static void shrink_zone(int priority, struct zone *zone,
1534 enum lru_list l; 1527 enum lru_list l;
1535 unsigned long nr_reclaimed = sc->nr_reclaimed; 1528 unsigned long nr_reclaimed = sc->nr_reclaimed;
1536 unsigned long swap_cluster_max = sc->swap_cluster_max; 1529 unsigned long swap_cluster_max = sc->swap_cluster_max;
1530 int noswap = 0;
1537 1531
1538 get_scan_ratio(zone, sc, percent); 1532 /* If we have no swap space, do not bother scanning anon pages. */
1533 if (!sc->may_swap || (nr_swap_pages <= 0)) {
1534 noswap = 1;
1535 percent[0] = 0;
1536 percent[1] = 100;
1537 } else
1538 get_scan_ratio(zone, sc, percent);
1539 1539
1540 for_each_evictable_lru(l) { 1540 for_each_evictable_lru(l) {
1541 int file = is_file_lru(l); 1541 int file = is_file_lru(l);
1542 unsigned long scan; 1542 unsigned long scan;
1543 1543
1544 scan = zone_nr_pages(zone, sc, l); 1544 scan = zone_nr_pages(zone, sc, l);
1545 if (priority) { 1545 if (priority || noswap) {
1546 scan >>= priority; 1546 scan >>= priority;
1547 scan = (scan * percent[file]) / 100; 1547 scan = (scan * percent[file]) / 100;
1548 } 1548 }