1 files changed, 7 insertions, 1 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index a6e65d024995..bc58802663be 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1371,7 +1371,13 @@ loop_again:
                         temp_priority[i] = priority;
                         sc.nr_scanned = 0;
                         note_zone_scanning_priority(zone, priority);
-                        nr_reclaimed += shrink_zone(priority, zone, &sc);
+                        /*
+                         * We put equal pressure on every zone, unless one
+                         * zone has way too many pages free already.
+                         */
+                        if (!zone_watermark_ok(zone, order, 8*zone->pages_high,
+                                                end_zone, 0))
+                                nr_reclaimed += shrink_zone(priority, zone, &sc);
                         reclaim_state->reclaimed_slab = 0;
                         nr_slab = shrink_slab(sc.nr_scanned, GFP_KERNEL,
                                                 lru_pages);