871 struct numa_group {  struct
901 	return p->numa_group ? p->numa_group->gid : 0;  in task_numa_group_id()  argument
926 	if (!p->numa_group)  in group_faults()
929 	return p->numa_group->faults[task_faults_idx(NUMA_MEM, nid, 0)] +  in group_faults()
930 		p->numa_group->faults[task_faults_idx(NUMA_MEM, nid, 1)];  in group_faults()
933 static inline unsigned long group_faults_cpu(struct numa_group *group, int nid)  in group_faults_cpu()
1034 	if (!p->numa_group)  in group_weight()
1037 	total_faults = p->numa_group->total_faults;  in group_weight()
1051 	struct numa_group *ng = p->numa_group;  in should_numa_migrate_memory()
1267 	long imp = env->p->numa_group ? groupimp : taskimp;  in task_numa_compare()
1309 		if (cur->numa_group == env->p->numa_group) {  in task_numa_compare()
1316 			if (cur->numa_group)  in task_numa_compare()
1324 			if (cur->numa_group)  in task_numa_compare()
1475 	if (env.best_cpu == -1 || (p->numa_group &&  in task_numa_migrate()
1476 			nodes_weight(p->numa_group->active_nodes) > 1)) {  in task_numa_migrate()
1509 	if (p->numa_group) {  in task_numa_migrate()
1515 		if (node_isset(nid, p->numa_group->active_nodes))  in task_numa_migrate()
1575 static void update_numa_active_node_mask(struct numa_group *numa_group)  in update_numa_active_node_mask()  argument
1581 		faults = group_faults_cpu(numa_group, nid);  in update_numa_active_node_mask()
1587 		faults = group_faults_cpu(numa_group, nid);  in update_numa_active_node_mask()
1588 		if (!node_isset(nid, numa_group->active_nodes)) {  in update_numa_active_node_mask()
1590 				node_set(nid, numa_group->active_nodes);  in update_numa_active_node_mask()
1592 			node_clear(nid, numa_group->active_nodes);  in update_numa_active_node_mask()
1808 	if (p->numa_group) {  in task_numa_placement()
1809 		group_lock = &p->numa_group->lock;  in task_numa_placement()
1850 			if (p->numa_group) {  in task_numa_placement()
1858 				p->numa_group->faults[mem_idx] += diff;  in task_numa_placement()
1859 				p->numa_group->faults_cpu[mem_idx] += f_diff;  in task_numa_placement()
1860 				p->numa_group->total_faults += diff;  in task_numa_placement()
1861 				group_faults += p->numa_group->faults[mem_idx];  in task_numa_placement()
1878 	if (p->numa_group) {  in task_numa_placement()
1879 		update_numa_active_node_mask(p->numa_group);  in task_numa_placement()
1894 static inline int get_numa_group(struct numa_group *grp)  in get_numa_group()
1899 static inline void put_numa_group(struct numa_group *grp)  in put_numa_group()
1908 	struct numa_group *grp, *my_grp;  in task_numa_group()
1914 	if (unlikely(!p->numa_group)) {  in task_numa_group()
1915 		unsigned int size = sizeof(struct numa_group) +  in task_numa_group()
1937 		rcu_assign_pointer(p->numa_group, grp);  in task_numa_group()
1946 	grp = rcu_dereference(tsk->numa_group);  in task_numa_group()
1950 	my_grp = p->numa_group;  in task_numa_group()
2002 	rcu_assign_pointer(p->numa_group, grp);  in task_numa_group()
2014 	struct numa_group *grp = p->numa_group;  in task_numa_free()
2027 		RCU_INIT_POINTER(p->numa_group, NULL);  in task_numa_free()
2084 	if (!priv && !local && p->numa_group &&  in task_numa_fault()
2085 			node_isset(cpu_node, p->numa_group->active_nodes) &&  in task_numa_fault()
2086 			node_isset(mem_node, p->numa_group->active_nodes))  in task_numa_fault()
5476 	struct numa_group *numa_group = rcu_dereference(p->numa_group);  in migrate_improves_locality()  local
5490 	if (numa_group) {  in migrate_improves_locality()
5492 		if (node_isset(src_nid, numa_group->active_nodes))  in migrate_improves_locality()
5496 		if (node_isset(dst_nid, numa_group->active_nodes))  in migrate_improves_locality()
5512 	struct numa_group *numa_group = rcu_dereference(p->numa_group);  in migrate_degrades_locality()  local
5527 	if (numa_group) {  in migrate_degrades_locality()
5529 		if (node_isset(dst_nid, numa_group->active_nodes))  in migrate_degrades_locality()
5533 		if (node_isset(src_nid, numa_group->active_nodes))  in migrate_degrades_locality()