Re: [PATCH 0/3] netfilter : 3 patches to boost ip_tables performance

> 1) No more central rwlock protecting each table (filter, nat, mangle, raw),
>     but one lock per CPU. It avoids cache line ping pongs for each packet.

Another useful change would be to not take the lock when there are no
rules. Currently just loading iptables has a large overhead.

-Andi
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Follow-Ups:
- Re: [PATCH 0/3] netfilter : 3 patches to boost ip_tables performance
  - From: Harald Welte <[email protected]>
- Re: [PATCH 0/3] netfilter : 3 patches to boost ip_tables performance
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References:
- [PATCH] Adds sys_set_mempolicy() in include/linux/syscalls.h
  - From: Eric Dumazet <[email protected]>
- [PATCH 0/3] netfilter : 3 patches to boost ip_tables performance
  - From: Eric Dumazet <[email protected]>

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