1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index f587ded5c148..b0b343b1ba64 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1452,12 +1452,17 @@ struct task_struct {
 
 #ifdef CONFIG_NUMA_BALANCING
 extern void task_numa_fault(int last_node, int node, int pages, bool migrated);
+extern pid_t task_numa_group_id(struct task_struct *p);
 extern void set_numabalancing_state(bool enabled);
 #else
 static inline void task_numa_fault(int last_node, int node, int pages,
                                    bool migrated)
 {
 }
+static inline pid_t task_numa_group_id(struct task_struct *p)
+{
+        return 0;
+}
 static inline void set_numabalancing_state(bool enabled)
 {
 }