diff options
Diffstat (limited to 'items.c')
| -rw-r--r-- | items.c | 21 |
1 files changed, 13 insertions, 8 deletions
@@ -1402,7 +1402,7 @@ static void lru_maintainer_crawler_check(struct crawler_expired_data *cdata, log static pthread_t lru_maintainer_tid; -#define MAX_LRU_MAINTAINER_SLEEP 500000 +#define MAX_LRU_MAINTAINER_SLEEP 1000000 #define MIN_LRU_MAINTAINER_SLEEP 1000 static void *lru_maintainer_thread(void *arg) { @@ -1443,26 +1443,31 @@ static void *lru_maintainer_thread(void *arg) { for (i = POWER_SMALLEST; i < MAX_NUMBER_OF_SLAB_CLASSES; i++) { next_juggles[i] = next_juggles[i] > last_sleep ? next_juggles[i] - last_sleep : 0; - // Sleep the thread just for the minimum amount (or not at all) - if (next_juggles[i] < to_sleep) { - to_sleep = next_juggles[i]; - } - if (next_juggles[i] > 0) + if (next_juggles[i] > 0) { + // Sleep the thread just for the minimum amount (or not at all) + if (next_juggles[i] < to_sleep) + to_sleep = next_juggles[i]; continue; + } int did_moves = lru_maintainer_juggle(i); if (did_moves == 0) { - if (backoff_juggles[i] < MAX_LRU_MAINTAINER_SLEEP) + if (backoff_juggles[i] != 0) { backoff_juggles[i] += backoff_juggles[i] / 8; + } else { + backoff_juggles[i] = MIN_LRU_MAINTAINER_SLEEP; + } if (backoff_juggles[i] > MAX_LRU_MAINTAINER_SLEEP) backoff_juggles[i] = MAX_LRU_MAINTAINER_SLEEP; } else if (backoff_juggles[i] > 0) { backoff_juggles[i] /= 2; if (backoff_juggles[i] < MIN_LRU_MAINTAINER_SLEEP) { - backoff_juggles[i] = MIN_LRU_MAINTAINER_SLEEP; + backoff_juggles[i] = 0; } } next_juggles[i] = backoff_juggles[i]; + if (next_juggles[i] < to_sleep) + to_sleep = next_juggles[i]; } /* Minimize the sleep if we had async LRU bumps to process */ |