On Thu, Jan 7, 2016 at 2:59 PM, Eric Dumazet <eduma...@google.com> wrote: > On Thu, Jan 7, 2016 at 6:38 AM, Konstantin Khlebnikov <koc...@gmail.com> > wrote: >> >> Also I've found strange thing: reason of expanding skb->cb from 40 to >> 48 bypes in 2006 >> 3e3850e989c5d2eb1aab6f0fd9257759f0f4cbc6 was that struct inet6_skb_parm does >> not fit. But it's is only 24 bytes. Does some arches add pad after >> each _u16 field? > > "struct inet6_skb_parm" is part of struct tcp_skb_cb > > This is why Patrick had to increase skb->cb[]
Whoa. Funny. TCP moves that chunk back and forward instead of just putting it at the first place in struct. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
