From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next 1/1] [net] bonding: Add NUMA notice Date: Sat, 07 Oct 2017 23:20:36 +0100 (WEST) Message-ID: <20171007.232036.1361815658002685993.davem@davemloft.net> References: <1507235025-21689-1-git-send-email-ptalbert@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: ptalbert@redhat.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:43010 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751868AbdJGWUx (ORCPT ); Sat, 7 Oct 2017 18:20:53 -0400 In-Reply-To: <1507235025-21689-1-git-send-email-ptalbert@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Patrick Talbert Date: Thu, 5 Oct 2017 16:23:45 -0400 > Network performance can suffer when a load balancing bond uses slave > interfaces which are in different NUMA domains. > > This compares the NUMA domain of a newly enslaved interface against any > existing enslaved interfaces and prints a warning if they do not match. > > Signed-off-by: Patrick Talbert This is a bit over the top, and doesn't even handle cases where the device has no specific NUMA node (-1).