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SubjectRe: Regression caused by commit "netfilter: iptables: lock free counters"

On Sunday 2009-04-05 12:01, Eric Dumazet wrote:
>
>This could probably be solved using a single "table" containing
>rules only, that could be shared for every cpus. Only counters
>should be percpu. This should save a lot of ram, over previous
>situation (2.6.29 or current one)

Why would counters stay separate?

I recognize all of this table copying is related to do NUMA
optimizations, and I think I heard cache bouncing too somewhere else.

[ http://marc.info/?l=netfilter-devel&m=119903624211253&w=2 ]


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