netdev - Re: [PATCH net-next] flowcache: Tune per cpu flow cache shrink size

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Message-Id: <20140314.144348.286366646093321442.davem@davemloft.net>
Date:	Fri, 14 Mar 2014 14:43:48 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	fan.du@...driver.com
Cc:	steffen.klassert@...unet.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] flowcache: Tune per cpu flow cache shrink size

From: Fan Du <fan.du@...driver.com>
Date: Fri, 14 Mar 2014 15:42:46 +0800

> When per cpu flow cache entries count reaches over high_watermark,
> flow cache will be shrinked gently to around low_watermark, not
> brutally killing most of cached entries by left only two.
> 
> Signed-off-by: Fan Du <fan.du@...driver.com>

We are limiting hash chain lengths, not total hash table size.

Your change is therefore not appropriate.
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