diff options
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r-- | mm/vmscan.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 68586c887611..259f8208a388 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c | |||
@@ -1713,13 +1713,15 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc, | |||
1713 | file = get_lru_size(lruvec, LRU_ACTIVE_FILE) + | 1713 | file = get_lru_size(lruvec, LRU_ACTIVE_FILE) + |
1714 | get_lru_size(lruvec, LRU_INACTIVE_FILE); | 1714 | get_lru_size(lruvec, LRU_INACTIVE_FILE); |
1715 | 1715 | ||
1716 | /* | ||
1717 | * If it's foreseeable that reclaiming the file cache won't be | ||
1718 | * enough to get the zone back into a desirable shape, we have | ||
1719 | * to swap. Better start now and leave the - probably heavily | ||
1720 | * thrashing - remaining file pages alone. | ||
1721 | */ | ||
1716 | if (global_reclaim(sc)) { | 1722 | if (global_reclaim(sc)) { |
1717 | free = zone_page_state(zone, NR_FREE_PAGES); | 1723 | free = zone_page_state(zone, NR_FREE_PAGES); |
1718 | if (unlikely(file + free <= high_wmark_pages(zone))) { | 1724 | if (unlikely(file + free <= high_wmark_pages(zone))) { |
1719 | /* | ||
1720 | * If we have very few page cache pages, force-scan | ||
1721 | * anon pages. | ||
1722 | */ | ||
1723 | fraction[0] = 1; | 1725 | fraction[0] = 1; |
1724 | fraction[1] = 0; | 1726 | fraction[1] = 0; |
1725 | denominator = 1; | 1727 | denominator = 1; |