diff options
| -rw-r--r-- | mm/vmscan.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 463990941a78..4093b99044f6 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2616,6 +2616,7 @@ static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order, long remaining, static unsigned long balance_pgdat(pg_data_t *pgdat, int order, int *classzone_idx) { + bool pgdat_is_balanced = false; struct zone *unbalanced_zone; int i; int end_zone = 0; /* Inclusive. 0 = ZONE_DMA */ @@ -2690,8 +2691,11 @@ loop_again: zone_clear_flag(zone, ZONE_CONGESTED); } } - if (i < 0) + + if (i < 0) { + pgdat_is_balanced = true; goto out; + } for (i = 0; i <= end_zone; i++) { struct zone *zone = pgdat->node_zones + i; @@ -2818,8 +2822,11 @@ loop_again: pfmemalloc_watermark_ok(pgdat)) wake_up(&pgdat->pfmemalloc_wait); - if (pgdat_balanced(pgdat, order, *classzone_idx)) + if (pgdat_balanced(pgdat, order, *classzone_idx)) { + pgdat_is_balanced = true; break; /* kswapd: all done */ + } + /* * OK, kswapd is getting into trouble. Take a nap, then take * another pass across the zones. @@ -2840,9 +2847,9 @@ loop_again: if (sc.nr_reclaimed >= SWAP_CLUSTER_MAX) break; } while (--sc.priority >= 0); -out: - if (!pgdat_balanced(pgdat, order, *classzone_idx)) { +out: + if (!pgdat_is_balanced) { cond_resched(); try_to_freeze(); |