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Date: Mon, 30 Apr 2012 21:48:16 -0400 (EDT) From: David Miller <davem@...emloft.net> To: eric.dumazet@...il.com Cc: netdev@...r.kernel.org, ilpo.jarvinen@...sinki.fi, therbert@...gle.com, ncardwell@...gle.com, bhutchings@...arflare.com, mcarlson@...adcom.com, jeffrey.t.kirsher@...el.com, mchan@...adcom.com, herbert@...dor.hengli.com.au, maze@...gle.com Subject: Re: [PATCH 2/4 net-next] tg3: provide frags as skb head From: Eric Dumazet <eric.dumazet@...il.com> Date: Fri, 27 Apr 2012 12:34:49 +0200 > From: Eric Dumazet <edumazet@...gle.com> > > This patch converts tg3 driver, one of our reference drivers, to use new > build_skb() api in frag mode. > > Instead of using kmalloc() to allocate the memory block that will be > used by build_skb() as skb->head, we use a page fragment. > > This is a followup of patch "net: allow skb->head to be a page fragment" > > This allows GRO, TCP coalescing, and splice() to be more efficient. > > Incidentally, this also removes SLUB slow path contention in kfree() > > Signed-off-by: Eric Dumazet <edumazet@...gle.com> Applied. -- 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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