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

To: netdev@xxxxxxxxxxx
Subject: Re: [PATCH] improvement on net/sched/cls_fw.c's hash function
From: Wang Jian <lark@xxxxxxxxxxxx>
Date: Tue, 05 Apr 2005 14:05:56 +0800
In-reply-to: <20050404223744.1f04c130.davem@xxxxxxxxxxxxx>
References: <20050405133336.0247.LARK@xxxxxxxxxxxx> <20050404223744.1f04c130.davem@xxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
Hi David S. Miller,

New patch attached. Hashsize is 256, the same as old one.


On Mon, 4 Apr 2005 22:37:44 -0700, "David S. Miller" <davem@xxxxxxxxxxxxx> 
wrote:

> 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.



-- 
  lark

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