From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: 3.0.4 (and earlier): skbuff_ctor() use of xen_create_contiguous_region() Date: Fri, 09 Mar 2007 14:08:45 +0000 Message-ID: References: <45F164F7.76E4.0078.0@novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <45F164F7.76E4.0078.0@novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jan Beulich , David Edmondson Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 9/3/07 12:45, "Jan Beulich" wrote: > I understand that, but what I wanted clarification on is whether this is > only for performance, not for correctness (and performance would still > suffer if the allocation turns out to be beyond the physical reach of the > particular NIC). Yes, and yes (specifically primarily the jumbo-frame receive case, as described in my previous email). Thus you may want to consider keeping the patch in your own kernel. -- Keir