From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next v4 1/2] net sched actions: dump more than
 TCA_ACT_MAX_PRIO actions per batch
Date: Thu, 20 Apr 2017 11:23:40 -0400 (EDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 20 Apr 2017 05:18:14 -0700

> By changing the kernel and recognizing new flags in existing padding,
> you might break the programs.
> 
> This is not acceptable. Period.
> 
> Had we checked the padding being 0 in old kernels, this change would
> have been possible today.

I completely agree.