261 static long region_add(struct resv_map *resv, long f, long t)  in region_add()
357 static long region_chg(struct resv_map *resv, long f, long t)  in region_chg()
462 static void region_abort(struct resv_map *resv, long f, long t)  in region_abort()
484 static long region_del(struct resv_map *resv, long f, long t)  in region_del()
591 static long region_count(struct resv_map *resv, long f, long t)  in region_count()
698 struct resv_map *resv_map_alloc(void)  in resv_map_alloc()
700 	struct resv_map *resv_map = kmalloc(sizeof(*resv_map), GFP_KERNEL);  in resv_map_alloc()  local
703 	if (!resv_map || !rg) {  in resv_map_alloc()
704 		kfree(resv_map);  in resv_map_alloc()
709 	kref_init(&resv_map->refs);  in resv_map_alloc()
710 	spin_lock_init(&resv_map->lock);  in resv_map_alloc()
711 	INIT_LIST_HEAD(&resv_map->regions);  in resv_map_alloc()
713 	resv_map->adds_in_progress = 0;  in resv_map_alloc()
715 	INIT_LIST_HEAD(&resv_map->region_cache);  in resv_map_alloc()
716 	list_add(&rg->link, &resv_map->region_cache);  in resv_map_alloc()
717 	resv_map->region_cache_count = 1;  in resv_map_alloc()
719 	return resv_map;  in resv_map_alloc()
724 	struct resv_map *resv_map = container_of(ref, struct resv_map, refs);  in resv_map_release()  local
725 	struct list_head *head = &resv_map->region_cache;  in resv_map_release()
729 	region_del(resv_map, 0, LONG_MAX);  in resv_map_release()
737 	VM_BUG_ON(resv_map->adds_in_progress);  in resv_map_release()
739 	kfree(resv_map);  in resv_map_release()
742 static inline struct resv_map *inode_resv_map(struct inode *inode)  in inode_resv_map()
752 	return (struct resv_map *)(&inode->i_data)->private_data;  in inode_resv_map()
755 static struct resv_map *vma_resv_map(struct vm_area_struct *vma)  in vma_resv_map()
765 		return (struct resv_map *)(get_vma_private_data(vma) &  in vma_resv_map()
770 static void set_vma_resv_map(struct vm_area_struct *vma, struct resv_map *map)  in set_vma_resv_map()
1940 	struct resv_map *resv;  in __vma_reservation_common()
3232 	struct resv_map *resv = vma_resv_map(vma);  in hugetlb_vm_op_open()
3249 	struct resv_map *resv = vma_resv_map(vma);  in hugetlb_vm_op_close()
4604 	struct resv_map *resv_map;  in hugetlb_reserve_pages()  local
4633 		resv_map = inode_resv_map(inode);  in hugetlb_reserve_pages()
4635 		chg = region_chg(resv_map, from, to);  in hugetlb_reserve_pages()
4638 		resv_map = resv_map_alloc();  in hugetlb_reserve_pages()
4639 		if (!resv_map)  in hugetlb_reserve_pages()
4644 		set_vma_resv_map(vma, resv_map);  in hugetlb_reserve_pages()
4687 		long add = region_add(resv_map, from, to);  in hugetlb_reserve_pages()
4709 			region_abort(resv_map, from, to);  in hugetlb_reserve_pages()
4711 		kref_put(&resv_map->refs, resv_map_release);  in hugetlb_reserve_pages()
4719 	struct resv_map *resv_map = inode_resv_map(inode);  in hugetlb_unreserve_pages()  local
4728 	if (resv_map) {  in hugetlb_unreserve_pages()
4729 		chg = region_del(resv_map, start, end);  in hugetlb_unreserve_pages()