diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index bbd194630c5b..d8893dc2d4eb 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1108,7 +1108,7 @@ static unsigned long shrink_zone(int priority, struct zone *zone, unsigned long nr_to_scan; unsigned long nr_reclaimed = 0; - atomic_inc(&zone->reclaim_in_progress); + zone_set_flag(zone, ZONE_RECLAIM_LOCKED); /* * Add one to `nr_to_scan' just to make sure that the kernel will @@ -1149,7 +1149,7 @@ static unsigned long shrink_zone(int priority, struct zone *zone, throttle_vm_writeout(sc->gfp_mask); - atomic_dec(&zone->reclaim_in_progress); + zone_clear_flag(zone, ZONE_RECLAIM_LOCKED); return nr_reclaimed; } @@ -1187,7 +1187,7 @@ static unsigned long shrink_zones(int priority, struct zone **zones, note_zone_scanning_priority(zone, priority); - if (zone->all_unreclaimable && priority != DEF_PRIORITY) + if (zone_is_all_unreclaimable(zone) && priority != DEF_PRIORITY) continue; /* Let kswapd poll it */ sc->all_unreclaimable = 0; @@ -1368,7 +1368,8 @@ loop_again: if (!populated_zone(zone)) continue; - if (zone->all_unreclaimable && priority != DEF_PRIORITY) + if (zone_is_all_unreclaimable(zone) && + priority != DEF_PRIORITY) continue; if (!zone_watermark_ok(zone, order, zone->pages_high, @@ -1403,7 +1404,8 @@ loop_again: if (!populated_zone(zone)) continue; - if (zone->all_unreclaimable && priority != DEF_PRIORITY) + if (zone_is_all_unreclaimable(zone) && + priority != DEF_PRIORITY) continue; if (!zone_watermark_ok(zone, order, zone->pages_high, @@ -1424,12 +1426,13 @@ loop_again: lru_pages); nr_reclaimed += reclaim_state->reclaimed_slab; total_scanned += sc.nr_scanned; - if (zone->all_unreclaimable) + if (zone_is_all_unreclaimable(zone)) continue; if (nr_slab == 0 && zone->pages_scanned >= (zone_page_state(zone, NR_ACTIVE) + zone_page_state(zone, NR_INACTIVE)) * 6) - zone->all_unreclaimable = 1; + zone_set_flag(zone, + ZONE_ALL_UNRECLAIMABLE); /* * If we've done a decent amount of scanning and * the reclaim ratio is low, start doing writepage @@ -1595,7 +1598,7 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio, if (!populated_zone(zone)) continue; - if (zone->all_unreclaimable && prio != DEF_PRIORITY) + if (zone_is_all_unreclaimable(zone) && prio != DEF_PRIORITY) continue; /* For pass = 0 we don't shrink the active list */ @@ -1919,10 +1922,8 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) * not have reclaimable pages and if we should not delay the allocation * then do not scan. */ - if (!(gfp_mask & __GFP_WAIT) || - zone->all_unreclaimable || - atomic_read(&zone->reclaim_in_progress) > 0 || - (current->flags & PF_MEMALLOC)) + if (!(gfp_mask & __GFP_WAIT) || zone_is_all_unreclaimable(zone) || + zone_is_reclaim_locked(zone) || (current->flags & PF_MEMALLOC)) return 0; /* |