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Date: Wed, 17 Sep 2014 07:54:05 +0200 From: Oliver Hartkopp <socketcan@...tkopp.net> To: John Fastabend <john.fastabend@...il.com>, xiyou.wangcong@...il.com, davem@...emloft.net, eric.dumazet@...il.com CC: netdev@...r.kernel.org, jhs@...atatu.com Subject: Re: [net-next PATCH] net: sched: cls_u32: rcu can not be last node Please add an appropriate comment to the *code* to prevent this knowledge to disappear. No one will search/find this in git commit messages next time. Tnx Oliver On 17.09.2014 07:34, John Fastabend wrote: > tc_u32_sel 'sel' in tc_u_knode expects to be the last element in the > structure and pads the structure with tc_u32_key fields for each key. > > kzalloc(sizeof(*n) + s->nkeys*sizeof(struct tc_u32_key), GFP_KERNEL) > > CC: Eric Dumazet <edumazet@...gle.com> > Signed-off-by: John Fastabend <john.r.fastabend@...el.com> > --- > net/sched/cls_u32.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c > index eceeb04..be24e7e 100644 > --- a/net/sched/cls_u32.c > +++ b/net/sched/cls_u32.c > @@ -64,8 +64,8 @@ struct tc_u_knode { > u32 __percpu *pcpu_success; > #endif > struct tcf_proto *tp; > - struct tc_u32_sel sel; > struct rcu_head rcu; > + struct tc_u32_sel sel; > }; > > struct tc_u_hnode { > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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