diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e7884dc..5b2208e 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -916,8 +916,8 @@
 	struct list_head task_list;
 
 	struct rcu_head rcu;
-	atomic_long_t total_faults;
-	atomic_long_t faults[0];
+	unsigned long total_faults;
+	unsigned long faults[0];
 };
 
 pid_t task_numa_group_id(struct task_struct *p)
@@ -944,8 +944,7 @@
 	if (!p->numa_group)
 		return 0;
 
-	return atomic_long_read(&p->numa_group->faults[2*nid]) +
-	       atomic_long_read(&p->numa_group->faults[2*nid+1]);
+	return p->numa_group->faults[2*nid] + p->numa_group->faults[2*nid+1];
 }
 
 /*
@@ -971,17 +970,10 @@
 
 static inline unsigned long group_weight(struct task_struct *p, int nid)
 {
-	unsigned long total_faults;
-
-	if (!p->numa_group)
+	if (!p->numa_group || !p->numa_group->total_faults)
 		return 0;
 
-	total_faults = atomic_long_read(&p->numa_group->total_faults);
-
-	if (!total_faults)
-		return 0;
-
-	return 1000 * group_faults(p, nid) / total_faults;
+	return 1000 * group_faults(p, nid) / p->numa_group->total_faults;
 }
 
 static unsigned long weighted_cpuload(const int cpu);
@@ -1397,9 +1389,9 @@
 			p->total_numa_faults += diff;
 			if (p->numa_group) {
 				/* safe because we can only change our own group */
-				atomic_long_add(diff, &p->numa_group->faults[i]);
-				atomic_long_add(diff, &p->numa_group->total_faults);
-				group_faults += atomic_long_read(&p->numa_group->faults[i]);
+				p->numa_group->faults[i] += diff;
+				p->numa_group->total_faults += diff;
+				group_faults += p->numa_group->faults[i];
 			}
 		}
 
@@ -1475,7 +1467,7 @@
 
 	if (unlikely(!p->numa_group)) {
 		unsigned int size = sizeof(struct numa_group) +
-				    2*nr_node_ids*sizeof(atomic_long_t);
+				    2*nr_node_ids*sizeof(unsigned long);
 
 		grp = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
 		if (!grp)
@@ -1487,9 +1479,9 @@
 		grp->gid = p->pid;
 
 		for (i = 0; i < 2*nr_node_ids; i++)
-			atomic_long_set(&grp->faults[i], p->numa_faults[i]);
+			grp->faults[i] = p->numa_faults[i];
 
-		atomic_long_set(&grp->total_faults, p->total_numa_faults);
+		grp->total_faults = p->total_numa_faults;
 
 		list_add(&p->numa_entry, &grp->task_list);
 		grp->nr_tasks++;
@@ -1543,15 +1535,15 @@
 	if (!join)
 		return;
 
-	for (i = 0; i < 2*nr_node_ids; i++) {
-		atomic_long_sub(p->numa_faults[i], &my_grp->faults[i]);
-		atomic_long_add(p->numa_faults[i], &grp->faults[i]);
-	}
-	atomic_long_sub(p->total_numa_faults, &my_grp->total_faults);
-	atomic_long_add(p->total_numa_faults, &grp->total_faults);
-
 	double_lock(&my_grp->lock, &grp->lock);
 
+	for (i = 0; i < 2*nr_node_ids; i++) {
+		my_grp->faults[i] -= p->numa_faults[i];
+		grp->faults[i] += p->numa_faults[i];
+	}
+	my_grp->total_faults -= p->total_numa_faults;
+	grp->total_faults += p->total_numa_faults;
+
 	list_move(&p->numa_entry, &grp->task_list);
 	my_grp->nr_tasks--;
 	grp->nr_tasks++;
@@ -1571,12 +1563,11 @@
 	void *numa_faults = p->numa_faults;
 
 	if (grp) {
-		for (i = 0; i < 2*nr_node_ids; i++)
-			atomic_long_sub(p->numa_faults[i], &grp->faults[i]);
-
-		atomic_long_sub(p->total_numa_faults, &grp->total_faults);
-
 		spin_lock(&grp->lock);
+		for (i = 0; i < 2*nr_node_ids; i++)
+			grp->faults[i] -= p->numa_faults[i];
+		grp->total_faults -= p->total_numa_faults;
+
 		list_del(&p->numa_entry);
 		grp->nr_tasks--;
 		spin_unlock(&grp->lock);