23 INTERVAL_TREE_DEFINE(struct vm_area_struct, shared.rb,
24 		     unsigned long, shared.rb_subtree_last,
38 	if (!prev->shared.rb.rb_right) {  in vma_interval_tree_insert_after()
40 		link = &prev->shared.rb.rb_right;  in vma_interval_tree_insert_after()
42 		parent = rb_entry(prev->shared.rb.rb_right,  in vma_interval_tree_insert_after()
43 				  struct vm_area_struct, shared.rb);  in vma_interval_tree_insert_after()
44 		if (parent->shared.rb_subtree_last < last)  in vma_interval_tree_insert_after()
45 			parent->shared.rb_subtree_last = last;  in vma_interval_tree_insert_after()
46 		while (parent->shared.rb.rb_left) {  in vma_interval_tree_insert_after()
47 			parent = rb_entry(parent->shared.rb.rb_left,  in vma_interval_tree_insert_after()
48 				struct vm_area_struct, shared.rb);  in vma_interval_tree_insert_after()
49 			if (parent->shared.rb_subtree_last < last)  in vma_interval_tree_insert_after()
50 				parent->shared.rb_subtree_last = last;  in vma_interval_tree_insert_after()
52 		link = &parent->shared.rb.rb_left;  in vma_interval_tree_insert_after()
55 	node->shared.rb_subtree_last = last;  in vma_interval_tree_insert_after()
56 	rb_link_node(&node->shared.rb, &parent->shared.rb, link);  in vma_interval_tree_insert_after()
57 	rb_insert_augmented(&node->shared.rb, &root->rb_root,  in vma_interval_tree_insert_after()