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-rw-r--r--mm/vmscan.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 396ecee281d..606d0bb4609 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2195,6 +2195,13 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
goto out;
/*
+ * If we're getting trouble reclaiming, start doing
+ * writepage even in laptop mode.
+ */
+ if (sc->priority < DEF_PRIORITY - 2)
+ sc->may_writepage = 1;
+
+ /*
* Try to write back as many pages as we just scanned. This
* tends to cause slow streaming writers to write data to the
* disk smoothly, at the dirtying rate, which is nice. But
@@ -2765,12 +2772,10 @@ loop_again:
}
/*
- * If we've done a decent amount of scanning and
- * the reclaim ratio is low, start doing writepage
- * even in laptop mode
+ * If we're getting trouble reclaiming, start doing
+ * writepage even in laptop mode.
*/
- if (total_scanned > SWAP_CLUSTER_MAX * 2 &&
- total_scanned > sc.nr_reclaimed + sc.nr_reclaimed / 2)
+ if (sc.priority < DEF_PRIORITY - 2)
sc.may_writepage = 1;
if (zone->all_unreclaimable) {