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Re: [PATCH] improvement on net/sched/cls_fw.c's hash function

To: Wang Jian <lark@xxxxxxxxxxxx>
Subject: Re: [PATCH] improvement on net/sched/cls_fw.c's hash function
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
Date: Mon, 4 Apr 2005 22:37:44 -0700
Cc: netdev@xxxxxxxxxxx
In-reply-to: <20050405133336.0247.LARK@linux.net.cn>
References: <20050405133336.0247.LARK@linux.net.cn>
Sender: netdev-bounce@xxxxxxxxxxx
On Tue, 05 Apr 2005 13:35:02 +0800
Wang Jian <lark@xxxxxxxxxxxx> wrote:

> https://lists.netfilter.org/pipermail/netfilter-devel/2005-March/018762.html
> 
> I chose 509 for FW_FILTER_HSIZE. If you feel it is waste of memory, then
> 251 is good too.

Please us a power of two, the "%" is expensive on some cpus.

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