diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/vmstat.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index 0a1f7de972b3..b6d17edf8cf3 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1229,6 +1229,20 @@ static void start_cpu_timer(int cpu) schedule_delayed_work_on(cpu, work, __round_jiffies_relative(HZ, cpu)); } +static void vmstat_cpu_dead(int node) +{ + int cpu; + + get_online_cpus(); + for_each_online_cpu(cpu) + if (cpu_to_node(cpu) == node) + goto end; + + node_clear_state(node, N_CPU); +end: + put_online_cpus(); +} + /* * Use the cpu notifier to insure that the thresholds are recalculated * when necessary. @@ -1258,6 +1272,7 @@ static int vmstat_cpuup_callback(struct notifier_block *nfb, case CPU_DEAD: case CPU_DEAD_FROZEN: refresh_zone_stat_thresholds(); + vmstat_cpu_dead(cpu_to_node(cpu)); break; default: break; |