From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shirley Ma <mashirle@us.ibm.com>
Subject: RE: vhost-net patches
Date: Tue, 03 Nov 2009 07:52:31 -0800
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Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	Sridhar Samudrala <sri@us.ibm.com>,
	Shirley Ma <xma@us.ibm.com>,
	David Stevens <dlstevens@us.ibm.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"sri@linux.vnet.ibm.com" <sri@linux.vnet.ibm.com>,
	"mashirle@linux.vnet.ibm.com" <mashirle@linux.vnet.ibm.com>
To: "Xin, Xiaohui" <xiaohui.xin@intel.com>
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Hello Xiaohui,

On Tue, 2009-11-03 at 09:06 +0800, Xin, Xiaohui wrote:
> Hi, Michael,
> What's your deferring skb allocation patch mentioned here, may you
> elaborate it a little more detailed?

That's my patch. It was submitted a few month ago. Here is the link to
this RFC patch:
http://www.mail-archive.com/kvm@vger.kernel.org/msg20777.html

It is a patch for guest receiving. Right now, kvm guest did pre-skb
allocation, the worse case when receiving large packet for mergable
buffers, 15/16 skbs need to be freed. Avi and Michale gave me some
comments. I will post the updated patch after running a few more test in
a few days.

Thanks
Shirley