diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 396ecee281d0..606d0bb46091 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) { |