Messages in this thread | | | Subject | Re: [PATCH 4/7] netprio_cgroup: limit the maximum css->id to USHRT_MAX | From | Daniel Wagner <> | Date | Fri, 20 Nov 2015 10:18:14 +0100 |
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On 11/19/2015 07:52 PM, Tejun Heo wrote: > netprio builds per-netdev contiguous priomap array which is indexed by > css->id. The array is allocated using kzalloc() effectively limiting > the maximum ID supported to some thousand range. This patch caps the > maximum supported css->id to USHRT_MAX which should be way above what > is actually useable. > > This allows reducing sock->sk_cgrp_prioidx to u16 from u32. The freed > up part will be used to overload the cgroup related fields. > sock->sk_cgrp_prioidx's position is swapped with sk_mark so that the > two cgroup related fields are adjacent. > > Signed-off-by: Tejun Heo <tj@kernel.org> > Cc: Daniel Borkmann <daniel@iogearbox.net> > Cc: Daniel Wagner <daniel.wagner@bmw-carit.de>
Acked-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
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