netdev - Re: [PATCH RFC net-next 0/6] net: reducing memory footprint of network devices

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Date:   Tue, 9 May 2017 08:42:05 -0700
From:   David Ahern <dsahern@...il.com>
To:     nicolas.dichtel@...nd.com, Florian Fainelli <f.fainelli@...il.com>,
        netdev@...r.kernel.org
Cc:     roopa@...ulusnetworks.com
Subject: Re: [PATCH RFC net-next 0/6] net: reducing memory footprint of
 network devices

On 5/9/17 2:50 AM, Nicolas Dichtel wrote:
> Your initial patch tried to make those interfaces transparent, this is not the
> case anymore here. It would probably be useful to be able to filter those
> interfaces in the kernel during a dump.

The earlier email was for hidden devices; the intent there is to hide
certain devices (e.g., switch control netdevs) from user dumps by default.

Adding an attribute at create time such as IFF_INVISIBLE for such
devices would be a follow on to this set - but leveraging the same
sysctl and sysfs bypasses.