255 static long region_add(struct resv_map *resv, long f, long t)  in region_add()
351 static long region_chg(struct resv_map *resv, long f, long t)  in region_chg()
456 static void region_abort(struct resv_map *resv, long f, long t)  in region_abort()
478 static long region_del(struct resv_map *resv, long f, long t)  in region_del()
585 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()
747 static struct resv_map *vma_resv_map(struct vm_area_struct *vma)  in vma_resv_map()
757 		return (struct resv_map *)(get_vma_private_data(vma) &  in vma_resv_map()
762 static void set_vma_resv_map(struct vm_area_struct *vma, struct resv_map *map)  in set_vma_resv_map()
1788 	struct resv_map *resv;  in __vma_reservation_common()
2963 	struct resv_map *resv = vma_resv_map(vma);  in hugetlb_vm_op_open()
2980 	struct resv_map *resv = vma_resv_map(vma);  in hugetlb_vm_op_close()
4007 	struct resv_map *resv_map;  in hugetlb_reserve_pages()  local
4025 		resv_map = inode_resv_map(inode);  in hugetlb_reserve_pages()
4027 		chg = region_chg(resv_map, from, to);  in hugetlb_reserve_pages()
4030 		resv_map = resv_map_alloc();  in hugetlb_reserve_pages()
4031 		if (!resv_map)  in hugetlb_reserve_pages()
4036 		set_vma_resv_map(vma, resv_map);  in hugetlb_reserve_pages()
4079 		long add = region_add(resv_map, from, to);  in hugetlb_reserve_pages()
4099 		region_abort(resv_map, from, to);  in hugetlb_reserve_pages()
4101 		kref_put(&resv_map->refs, resv_map_release);  in hugetlb_reserve_pages()
4109 	struct resv_map *resv_map = inode_resv_map(inode);  in hugetlb_unreserve_pages()  local
4114 	if (resv_map) {  in hugetlb_unreserve_pages()
4115 		chg = region_del(resv_map, start, end);  in hugetlb_unreserve_pages()