diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 518540a4a2a6..093f5fe6dd77 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -36,6 +36,7 @@ #include <linux/rwsem.h> #include <linux/delay.h> #include <linux/kthread.h> +#include <linux/freezer.h> #include <asm/tlbflush.h> #include <asm/div64.h> @@ -1172,11 +1173,12 @@ loop_again: if (!zone_watermark_ok(zone, order, zone->pages_high, 0, 0)) { end_zone = i; - goto scan; + break; } } - goto out; -scan: + if (i < 0) + goto out; + for (i = 0; i <= end_zone; i++) { struct zone *zone = pgdat->node_zones + i; @@ -1259,6 +1261,9 @@ out: } if (!all_zones_ok) { cond_resched(); + + try_to_freeze(); + goto loop_again; } @@ -1508,7 +1513,6 @@ out: } #endif -#ifdef CONFIG_HOTPLUG_CPU /* It's optimal to keep kswapds on the same CPUs as their memory, but not required for correctness. So if the last cpu in a node goes away, we get changed to run anywhere: as the first one comes back, @@ -1529,7 +1533,6 @@ static int __devinit cpu_callback(struct notifier_block *nfb, } return NOTIFY_OK; } -#endif /* CONFIG_HOTPLUG_CPU */ /* * This kswapd start function will be called by init and node-hot-add. |