netdev - Re: [net-next PATCH 2/4] net: increase frag hash size

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Message-ID: <51785827.1000007@cogentembedded.com>
Date:	Thu, 25 Apr 2013 02:09:43 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Jesper Dangaard Brouer <brouer@...hat.com>
CC:	"David S. Miller" <davem@...emloft.net>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	netdev@...r.kernel.org, Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [net-next PATCH 2/4] net: increase frag hash size

Hello.

On 24-04-2013 19:48, Jesper Dangaard Brouer wrote:

> Increase fragmentation hash bucket size to 1024 from old 64 elems.

> After we increased the frag mem limits (in commit v3.8-rc3-503-gc2a9366)

    This is not a commit ID, commit ID is SHA1 key alone. And you should also 
specify that commit's summary line with it, in parens.

> the hash size of 64 elements is simply too small.  Also considering
> the mem limit is per netns and the hash table is shared for all netns.

> For the embedded people, note that this increase will change the hash
> table/array from using approx 1 Kbytes to 16 Kbytes.

> Signed-off-by: Jesper Dangaard Brouer <brouer@...hat.com>

WBR, Sergei

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