diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d315e1127dc..43f757fcf30 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -27,6 +27,7 @@ #include <linux/pagevec.h> #include <linux/blkdev.h> #include <linux/slab.h> +#include <linux/oom.h> #include <linux/notifier.h> #include <linux/topology.h> #include <linux/sysctl.h> @@ -489,7 +490,7 @@ static void free_pages_bulk(struct zone *zone, int count, struct list_head *list, int order) { spin_lock(&zone->lock); - zone->all_unreclaimable = 0; + zone_clear_flag(zone, ZONE_ALL_UNRECLAIMABLE); zone->pages_scanned = 0; while (count--) { struct page *page; @@ -506,7 +507,7 @@ static void free_pages_bulk(struct zone *zone, int count, static void free_one_page(struct zone *zone, struct page *page, int order) { spin_lock(&zone->lock); - zone->all_unreclaimable = 0; + zone_clear_flag(zone, ZONE_ALL_UNRECLAIMABLE); zone->pages_scanned = 0; __free_one_page(page, zone, order); spin_unlock(&zone->lock); @@ -1586,6 +1587,11 @@ nofail_alloc: if (page) goto got_pg; } else if ((gfp_mask & __GFP_FS) && !(gfp_mask & __GFP_NORETRY)) { + if (!try_set_zone_oom(zonelist)) { + schedule_timeout_uninterruptible(1); + goto restart; + } + /* * Go through the zonelist yet one more time, keep * very high watermark here, this is only to catch @@ -1594,14 +1600,19 @@ nofail_alloc: */ page = get_page_from_freelist(gfp_mask|__GFP_HARDWALL, order, zonelist, ALLOC_WMARK_HIGH|ALLOC_CPUSET); - if (page) + if (page) { + clear_zonelist_oom(zonelist); goto got_pg; + } /* The OOM killer will not help higher order allocs so fail */ - if (order > PAGE_ALLOC_COSTLY_ORDER) + if (order > PAGE_ALLOC_COSTLY_ORDER) { + clear_zonelist_oom(zonelist); goto nopage; + } out_of_memory(zonelist, gfp_mask, order); + clear_zonelist_oom(zonelist); goto restart; } @@ -1850,7 +1861,7 @@ void show_free_areas(void) K(zone_page_state(zone, NR_INACTIVE)), K(zone->present_pages), zone->pages_scanned, - (zone->all_unreclaimable ? "yes" : "no") + (zone_is_all_unreclaimable(zone) ? "yes" : "no") ); printk("lowmem_reserve[]:"); for (i = 0; i < MAX_NR_ZONES; i++) @@ -3371,7 +3382,7 @@ static void __meminit free_area_init_core(struct pglist_data *pgdat, zone->nr_scan_active = 0; zone->nr_scan_inactive = 0; zap_zone_vm_stats(zone); - atomic_set(&zone->reclaim_in_progress, 0); + zone->flags = 0; if (!size) continue; |