Re: [PATCH 9/9] netfilter: implement xt_cgroup cgroup2 path match

[Jan Engelhardt]

On Saturday 2015-11-21 19:54, Florian Westphal wrote:
>
>The only other question I have is wheter PATH_MAX might be a possible
>ABI breaker in future.  It would have to be guaranteed that this is the
>same size forever, else you'd get strange errors on rule insertion if
>the sizes of the kernel and userspace version differs.
>
The same goes for IFNAMSIZ. But, so far, nobody changed it in the kernel,
even though there are voices that 15 characters + '\0' were a tight choice.
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