if (work) *work -= skb->truesize; 
static inline void frag_kfree_skb(struct sk_buff *skb){	atomic_sub(skb->truesize, &nf_ct_frag6_mem);	if (NFCT_FRAG6_CB(skb)->orig)		kfree_skb(NFCT_FRAG6_CB(skb)->orig);	kfree_skb(skb);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/1ba430bc3e243d38c0bb2b185bea664b04fc59df/nf_conntrack_reasm.c/buggy/net/ipv6/netfilter/nf_conntrack_reasm.c