if (work) *work -= sizeof(struct nf_ct_frag6_queue); 
static inline void frag_free_queue(struct nf_ct_frag6_queue *fq){	atomic_sub(sizeof(struct nf_ct_frag6_queue), &nf_ct_frag6_mem);	kfree(fq);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/1ba430bc3e243d38c0bb2b185bea664b04fc59df/nf_conntrack_reasm.c/buggy/net/ipv6/netfilter/nf_conntrack_reasm.c