diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 2ee4d9283738..83b5d5280e99 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2620,18 +2620,6 @@ static inline bool should_continue_reclaim(struct pglist_data *pgdat, return false; } - /* - * If we have not reclaimed enough pages for compaction and the - * inactive lists are large enough, continue reclaiming - */ - pages_for_compaction = compact_gap(sc->order); - inactive_lru_pages = node_page_state(pgdat, NR_INACTIVE_FILE); - if (get_nr_swap_pages() > 0) - inactive_lru_pages += node_page_state(pgdat, NR_INACTIVE_ANON); - if (sc->nr_reclaimed < pages_for_compaction && - inactive_lru_pages > pages_for_compaction) - return true; - /* If compaction would go ahead or the allocation would succeed, stop */ for (z = 0; z <= sc->reclaim_idx; z++) { struct zone *zone = &pgdat->node_zones[z]; @@ -2647,7 +2635,21 @@ static inline bool should_continue_reclaim(struct pglist_data *pgdat, ; } } - return true; + + /* + * If we have not reclaimed enough pages for compaction and the + * inactive lists are large enough, continue reclaiming + */ + pages_for_compaction = compact_gap(sc->order); + inactive_lru_pages = node_page_state(pgdat, NR_INACTIVE_FILE); + if (get_nr_swap_pages() > 0) + inactive_lru_pages += node_page_state(pgdat, NR_INACTIVE_ANON); + + return inactive_lru_pages > pages_for_compaction && + /* + * avoid dryrun with plenty of inactive pages + */ + nr_scanned && nr_reclaimed; } static bool pgdat_memcg_congested(pg_data_t *pgdat, struct mem_cgroup *memcg) |