> Em Thu, Nov 14, 2002 at 12:12:07PM -0500, Serge Kuznetsov escreveu: > > > PS: BTW, how to check if skb has been freed ? I didn't found any function for > > it. Is it possible to add the flag, like skb->freed ? > > Enable slab poisoning. > Can I check if skb->users is not zero, it mean function hasn't been freed? Or just forget about it? But what's happen if someone's ->func will return NET_RX_DROP, but not called the kfree_skb ? Is it not good to check for it? Why should we trust for that function, may be someone forget to do it? PS: Sorry, if my this questions hurts anyone, but for last almost 10 years, I'm using the Linux, I like it so much, and I want improve it and make it better, as much as possible. All the Best! Serge. - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html