441 	struct file_region *nrg;  in get_file_region_entry_from_cache()  local
446 	nrg = list_first_entry(&resv->region_cache, struct file_region, link);  in get_file_region_entry_from_cache()
447 	list_del(&nrg->link);  in get_file_region_entry_from_cache()
449 	nrg->from = from;  in get_file_region_entry_from_cache()
450 	nrg->to = to;  in get_file_region_entry_from_cache()
452 	return nrg;  in get_file_region_entry_from_cache()
455 static void copy_hugetlb_cgroup_uncharge_info(struct file_region *nrg,  in copy_hugetlb_cgroup_uncharge_info()  argument
459 	nrg->reservation_counter = rg->reservation_counter;  in copy_hugetlb_cgroup_uncharge_info()
460 	nrg->css = rg->css;  in copy_hugetlb_cgroup_uncharge_info()
470 						struct file_region *nrg)  in record_hugetlb_cgroup_uncharge_info()  argument
474 		nrg->reservation_counter =  in record_hugetlb_cgroup_uncharge_info()
476 		nrg->css = &h_cg->css;  in record_hugetlb_cgroup_uncharge_info()
495 		nrg->reservation_counter = NULL;  in record_hugetlb_cgroup_uncharge_info()
496 		nrg->css = NULL;  in record_hugetlb_cgroup_uncharge_info()
523 	struct file_region *nrg, *prg;  in coalesce_file_region()  local
537 	nrg = list_next_entry(rg, link);  in coalesce_file_region()
538 	if (&nrg->link != &resv->regions && nrg->from == rg->to &&  in coalesce_file_region()
539 	    has_same_uncharge_info(nrg, rg)) {  in coalesce_file_region()
540 		nrg->from = rg->from;  in coalesce_file_region()
553 	struct file_region *nrg;  in hugetlb_resv_map_add()  local
556 		nrg = get_file_region_entry_from_cache(map, from, to);  in hugetlb_resv_map_add()
557 		record_hugetlb_cgroup_uncharge_info(cg, h, map, nrg);  in hugetlb_resv_map_add()
558 		list_add(&nrg->link, rg);  in hugetlb_resv_map_add()
559 		coalesce_file_region(map, nrg);  in hugetlb_resv_map_add()
837 	struct file_region *nrg = NULL;  in region_del()  local
861 			if (!nrg &&  in region_del()
863 				nrg = list_first_entry(&resv->region_cache,  in region_del()
866 				list_del(&nrg->link);  in region_del()
870 			if (!nrg) {  in region_del()
872 				nrg = kmalloc(sizeof(*nrg), GFP_KERNEL);  in region_del()
873 				if (!nrg)  in region_del()
883 			nrg->from = t;  in region_del()
884 			nrg->to = rg->to;  in region_del()
886 			copy_hugetlb_cgroup_uncharge_info(nrg, rg);  in region_del()
888 			INIT_LIST_HEAD(&nrg->link);  in region_del()
893 			list_add(&nrg->link, &rg->link);  in region_del()
894 			nrg = NULL;  in region_del()
923 	kfree(nrg);  in region_del()