diff --git a/mm/vmstat.c b/mm/vmstat.c
index f42745e..b916a43 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/cpu.h>
+#include <linux/cpumask.h>
 #include <linux/vmstat.h>
 #include <linux/sched.h>
 #include <linux/math64.h>
@@ -432,11 +433,12 @@
  * with the global counters. These could cause remote node cache line
  * bouncing and will have to be only done when necessary.
  */
-void refresh_cpu_vm_stats(int cpu)
+bool refresh_cpu_vm_stats(int cpu)
 {
 	struct zone *zone;
 	int i;
 	int global_diff[NR_VM_ZONE_STAT_ITEMS] = { 0, };
+	bool vm_activity = false;
 
 	for_each_populated_zone(zone) {
 		struct per_cpu_pageset *p;
@@ -483,14 +485,21 @@
 		if (p->expire)
 			continue;
 
-		if (p->pcp.count)
+		if (p->pcp.count) {
+			vm_activity = true;
 			drain_zone_pages(zone, &p->pcp);
+		}
 #endif
 	}
 
 	for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
-		if (global_diff[i])
+		if (global_diff[i]) {
 			atomic_long_add(global_diff[i], &vm_stat[i]);
+			vm_activity = true;
+		}
+
+	return vm_activity;
+
 }
 
 /*
@@ -1174,20 +1183,70 @@
 #ifdef CONFIG_SMP
 static DEFINE_PER_CPU(struct delayed_work, vmstat_work);
 int sysctl_stat_interval __read_mostly = HZ;
+static struct cpumask vmstat_off_cpus;
+struct delayed_work vmstat_monitor_work;
 
-static void vmstat_update(struct work_struct *w)
+static inline bool need_vmstat(int cpu)
 {
-	refresh_cpu_vm_stats(smp_processor_id());
-	schedule_delayed_work(&__get_cpu_var(vmstat_work),
-		round_jiffies_relative(sysctl_stat_interval));
+	struct zone *zone;
+	int i;
+
+	for_each_populated_zone(zone) {
+		struct per_cpu_pageset *p;
+
+		p = per_cpu_ptr(zone->pageset, cpu);
+
+		for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
+			if (p->vm_stat_diff[i])
+				return true;
+
+		if (zone_to_nid(zone) != numa_node_id() && p->pcp.count)
+			return true;
+	}
+
+	return false;
 }
 
-static void __cpuinit start_cpu_timer(int cpu)
+static void vmstat_update(struct work_struct *w);
+
+static void start_cpu_timer(int cpu)
+{
+	struct delayed_work *work = &per_cpu(vmstat_work, cpu);
+
+	cpumask_clear_cpu(cpu, &vmstat_off_cpus);
+	schedule_delayed_work_on(cpu, work, __round_jiffies_relative(HZ, cpu));
+}
+
+static void __cpuinit setup_cpu_timer(int cpu)
 {
 	struct delayed_work *work = &per_cpu(vmstat_work, cpu);
 
 	INIT_DEFERRABLE_WORK(work, vmstat_update);
-	schedule_delayed_work_on(cpu, work, __round_jiffies_relative(HZ, cpu));
+	start_cpu_timer(cpu);
+}
+
+static void vmstat_update_monitor(struct work_struct *w)
+{
+	int cpu;
+
+	for_each_cpu_and(cpu, &vmstat_off_cpus, cpu_online_mask)
+		if (need_vmstat(cpu))
+			start_cpu_timer(cpu);
+
+	queue_delayed_work(system_unbound_wq, &vmstat_monitor_work,
+		round_jiffies_relative(sysctl_stat_interval));
+}
+
+
+static void vmstat_update(struct work_struct *w)
+{
+	int cpu = smp_processor_id();
+
+	if (likely(refresh_cpu_vm_stats(cpu)))
+		schedule_delayed_work(&__get_cpu_var(vmstat_work),
+				round_jiffies_relative(sysctl_stat_interval));
+	else
+		cpumask_set_cpu(cpu, &vmstat_off_cpus);
 }
 
 /*
@@ -1204,17 +1263,19 @@
 	case CPU_ONLINE:
 	case CPU_ONLINE_FROZEN:
 		refresh_zone_stat_thresholds();
-		start_cpu_timer(cpu);
+		setup_cpu_timer(cpu);
 		node_set_state(cpu_to_node(cpu), N_CPU);
 		break;
 	case CPU_DOWN_PREPARE:
 	case CPU_DOWN_PREPARE_FROZEN:
-		cancel_delayed_work_sync(&per_cpu(vmstat_work, cpu));
-		per_cpu(vmstat_work, cpu).work.func = NULL;
+		if (!cpumask_test_cpu(cpu, &vmstat_off_cpus)) {
+			cancel_delayed_work_sync(&per_cpu(vmstat_work, cpu));
+			per_cpu(vmstat_work, cpu).work.func = NULL;
+		}
 		break;
 	case CPU_DOWN_FAILED:
 	case CPU_DOWN_FAILED_FROZEN:
-		start_cpu_timer(cpu);
+		setup_cpu_timer(cpu);
 		break;
 	case CPU_DEAD:
 	case CPU_DEAD_FROZEN:
@@ -1237,8 +1298,14 @@
 
 	register_cpu_notifier(&vmstat_notifier);
 
+	INIT_DEFERRABLE_WORK(&vmstat_monitor_work,
+				vmstat_update_monitor);
+	queue_delayed_work(system_unbound_wq,
+				&vmstat_monitor_work,
+				round_jiffies_relative(HZ));
+
 	for_each_online_cpu(cpu)
-		start_cpu_timer(cpu);
+		setup_cpu_timer(cpu);
 #endif
 #ifdef CONFIG_PROC_FS
 	proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);