From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: [PATCH] Re: skb_segment() questions Date: Wed, 1 Apr 2009 10:02:10 +0000 Message-ID: <20090401100209.GC5970@ff.dom.local> References: <20090329020701.GA9983@gondor.apana.org.au> <20090401091801.GA5970@ff.dom.local> <20090401092457.GB19847@gondor.apana.org.au> <20090401095049.GB5970@ff.dom.local> <20090401095352.GB20003@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: James Huang , "David S. Miller" , netdev@vger.kernel.org To: Herbert Xu Return-path: Received: from rv-out-0506.google.com ([209.85.198.225]:64480 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751459AbZDAKCW (ORCPT ); Wed, 1 Apr 2009 06:02:22 -0400 Received: by rv-out-0506.google.com with SMTP id f9so3547348rvb.1 for ; Wed, 01 Apr 2009 03:02:19 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20090401095352.GB20003@gondor.apana.org.au> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, Apr 01, 2009 at 05:53:52PM +0800, Herbert Xu wrote: > On Wed, Apr 01, 2009 at 09:50:50AM +0000, Jarek Poplawski wrote: > > > > I guess you mean non-linear skb with a header smaller than mtu? Well, > > if it's the most common case now, I agree. > > The common case is the path stemming from the TCP stack, where > we always construct skb's with the entire payload in page frags, > and only the header is placed in skb->data. OK, then let's forget about this patch. Thanks for the explanation, Jarek P.