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Message-ID: <1286811731.2737.28.camel@edumazet-laptop> Date: Mon, 11 Oct 2010 17:42:11 +0200 From: Eric Dumazet <eric.dumazet@...il.com> To: David Miller <davem@...emloft.net> Cc: xiaohui.xin@...el.com, netdev@...r.kernel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, mst@...hat.com, mingo@...e.hu, herbert@...dor.apana.org.au, jdike@...ux.intel.com Subject: Re: [PATCH v12 06/17] Use callback to deal with skb_release_data() specially. Le lundi 11 octobre 2010 à 08:27 -0700, David Miller a écrit : > From: "Xin, Xiaohui" <xiaohui.xin@...el.com> > Date: Mon, 11 Oct 2010 15:06:05 +0800 > > > That's to avoid the new cache miss caused by using destructor_arg in data path > > like skb_release_data(). > > That's based on the comment from Eric Dumazet on v7 patches. > > Thanks for the explanation. Anyway, frags[] must be the last field of "struct skb_shared_info" since commit fed66381 (net: pskb_expand_head() optimization) It seems Xin worked on a quite old tree. -- 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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