diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 1ee4b69a28a..b010efc4389 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2895,6 +2895,14 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int order, int classzone_idx) */ set_pgdat_percpu_threshold(pgdat, calculate_normal_threshold); + /* + * Compaction records what page blocks it recently failed to + * isolate pages from and skips them in the future scanning. + * When kswapd is going to sleep, it is reasonable to assume + * that pages and compaction may succeed so reset the cache. + */ + reset_isolation_suitable(pgdat); + if (!kthread_should_stop()) schedule(); |