(1<<tn->bits) * sizeof(struct node *); 
(1 << tn->bits) * sizeof(struct node *); 
static void __tnode_free(struct tnode *tn){	unsigned int size = sizeof(struct tnode) +	                    (1<<tn->bits) * sizeof(struct node *);	if (size <= PAGE_SIZE)		kfree(tn);	else		free_pages((unsigned long)tn, get_order(size));}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/91b9a277fc4d207249e459a455abf804ebb5499d/fib_trie.c/buggy/net/ipv4/fib_trie.c