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From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: netdev@vger.kernel.org, kaber@trash.net, hawk@diku.dk,
	jarkao2@gmail.com, hadi@cyberus.ca, shemminger@vyatta.com
Subject: Re: [PATCH net-next-2.6] net_sched: sfq: allow divisor to be a parameter
Date: Thu, 20 Jan 2011 16:56:18 -0800 (PST)	[thread overview]
Message-ID: <20110120.165618.180427971.davem@davemloft.net> (raw)
In-Reply-To: <1295518498.2825.2.camel@edumazet-laptop>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 20 Jan 2011 11:14:58 +0100

> SFQ currently uses a 1024 slots hash table, and its internal structure
> (sfq_sched_data) allocation needs order-1 page on x86_64
> 
> Allow tc command to specify a divisor value (hash table size), between 1
> and 65536.
> If no value is provided, assume the 1024 default size.
> 
> This allows admins to setup smaller (or bigger) SFQ for specific needs.
> 
> This also brings back sfq_sched_data allocations to order-0 ones, saving
> 3KB per SFQ qdisc.
> 
> Jesper uses ~55.000 SFQ in one machine, this patch should free 165 MB of
> memory.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

Applied.

  reply	other threads:[~2011-01-21  0:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-20 10:14 [PATCH net-next-2.6] net_sched: sfq: allow divisor to be a parameter Eric Dumazet
2011-01-21  0:56 ` David Miller [this message]
2011-01-23 10:09   ` [PATCH iproute2] sfq: add divisor support Eric Dumazet
2011-02-25 21:00     ` Stephen Hemminger

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