diff --git a/include/linux/sched.h b/include/linux/sched.h
index f638510..1127a46 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1366,6 +1366,7 @@
 	unsigned long *numa_faults_buffer;
 
 	int numa_preferred_nid;
+	unsigned long numa_pages_migrated;
 #endif /* CONFIG_NUMA_BALANCING */
 
 	struct rcu_head rcu;
@@ -2661,6 +2662,11 @@
 	return task_thread_info(p)->cpu;
 }
 
+static inline int task_node(const struct task_struct *p)
+{
+	return cpu_to_node(task_cpu(p));
+}
+
 extern void set_task_cpu(struct task_struct *p, unsigned int cpu);
 
 #else