diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index e170c12e2065..b2fc8b626d3d 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -518,7 +518,7 @@ static bool skip_throttle_noprogress(pg_data_t *pgdat) * If kswapd is disabled, reschedule if necessary but do not * throttle as the system is likely near OOM. */ - if (pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES) + if (atomic_read(&pgdat->kswapd_failures) >= MAX_RECLAIM_RETRIES) return true; /* @@ -5101,7 +5101,7 @@ static void lru_gen_shrink_node(struct pglist_data *pgdat, struct scan_control * blk_finish_plug(&plug); done: if (sc->nr_reclaimed > reclaimed) - pgdat->kswapd_failures = 0; + atomic_set(&pgdat->kswapd_failures, 0); } /****************************************************************************** @@ -6180,7 +6180,7 @@ again: * successful direct reclaim run will revive a dormant kswapd. */ if (reclaimable) - pgdat->kswapd_failures = 0; + atomic_set(&pgdat->kswapd_failures, 0); else if (sc->cache_trim_mode) sc->cache_trim_mode_failed = 1; } @@ -6492,7 +6492,7 @@ static bool allow_direct_reclaim(pg_data_t *pgdat) int i; bool wmark_ok; - if (pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES) + if (atomic_read(&pgdat->kswapd_failures) >= MAX_RECLAIM_RETRIES) return true; for_each_managed_zone_pgdat(zone, pgdat, i, ZONE_NORMAL) { @@ -6902,7 +6902,7 @@ static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order, wake_up_all(&pgdat->pfmemalloc_wait); /* Hopeless node, leave it to direct reclaim */ - if (pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES) + if (atomic_read(&pgdat->kswapd_failures) >= MAX_RECLAIM_RETRIES) return true; if (pgdat_balanced(pgdat, order, highest_zoneidx)) { @@ -7170,7 +7170,7 @@ restart: } if (!sc.nr_reclaimed) - pgdat->kswapd_failures++; + atomic_inc(&pgdat->kswapd_failures); out: clear_reclaim_active(pgdat, highest_zoneidx); @@ -7429,7 +7429,7 @@ void wakeup_kswapd(struct zone *zone, gfp_t gfp_flags, int order, return; /* Hopeless node, leave it to direct reclaim if possible */ - if (pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES || + if (atomic_read(&pgdat->kswapd_failures) >= MAX_RECLAIM_RETRIES || (pgdat_balanced(pgdat, order, highest_zoneidx) && !pgdat_watermark_boosted(pgdat, highest_zoneidx))) { /* |