diff options
| -rw-r--r-- | mm/vmscan.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 71f23c0c109..e01ded36544 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1573,20 +1573,18 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, * If dirty pages are scanned that are not queued for IO, it * implies that flushers are not keeping up. In this case, flag * the zone ZONE_TAIL_LRU_DIRTY and kswapd will start writing - * pages from reclaim context. It will forcibly stall in the - * next check. + * pages from reclaim context. */ if (nr_unqueued_dirty == nr_taken) zone_set_flag(zone, ZONE_TAIL_LRU_DIRTY); /* - * In addition, if kswapd scans pages marked marked for - * immediate reclaim and under writeback (nr_immediate), it - * implies that pages are cycling through the LRU faster than + * If kswapd scans pages marked marked for immediate + * reclaim and under writeback (nr_immediate), it implies + * that pages are cycling through the LRU faster than * they are written so also forcibly stall. */ - if ((nr_unqueued_dirty == nr_taken || nr_immediate) && - current_may_throttle()) + if (nr_immediate && current_may_throttle()) congestion_wait(BLK_RW_ASYNC, HZ/10); } |