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Subject: Re: [PATCH net v4 11/12] net: remove unnecessary variables and
 callback
From:   Johannes Berg <johannes@sipsolutions.net>
To:     Taehee Yoo <ap420073@gmail.com>, davem@davemloft.net,
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Date:   Sat, 28 Sep 2019 21:42:13 +0200
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On Sat, 2019-09-28 at 16:48 +0000, Taehee Yoo wrote:
> This patch removes variables and callback these are related to the nested
> device structure.
> devices that can be nested have their own nest_level variable that
> represents the depth of nested devices.
> In the previous patch, new {lower/upper}_level variables are added and
> they replace old private nest_level variable.
> So, this patch removes all 'nest_level' variables.

Ah, well, I see at least this patch also needs the nesting level tracked
in the netdev, at least the "lower_level".

johannes