netdev - Re: [PATCH net-next 1/1] [net] bonding: Add NUMA notice

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Message-Id: <20171007.232036.1361815658002685993.davem@davemloft.net>
Date:   Sat, 07 Oct 2017 23:20:36 +0100 (WEST)
From:   David Miller <davem@...emloft.net>
To:     ptalbert@...hat.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/1] [net] bonding: Add NUMA notice

From: Patrick Talbert <ptalbert@...hat.com>
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 <ptalbert@...hat.com>

This is a bit over the top, and doesn't even handle cases where
the device has no specific NUMA node (-1).