On Thu, 2015-06-11 at 01:34 +0200, Florian Westphal wrote:
> We store the rule blob per (possible) cpu. Unfortunately this means we can
> waste lot of memory on big smp machines. ipt_entry structure ('rule head')
> is 112 byte, so e.g. with maxcpu=64 one single rule eats
> close to 8k RAM.
>
> Since previous patch made counters percpu it appears there is nothing
> left in the rule blob that needs to be percpu.
>
> On my test system (144 possible cpus, 400k dummy rules) this
> change saves close to 9 Gigabyte of RAM.
>
> Reported-by: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>
> Acked-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
> Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
> ---
Very happy to see this happening, thanks Florian.
Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
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