From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH net-next-2.6] net_sched: sfq: allow divisor to be a
 variable
Date: Thu, 20 Jan 2011 11:17:16 +0100
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Cc: netdev <netdev@vger.kernel.org>, Patrick McHardy <kaber@trash.net>,
	Jesper Dangaard Brouer <hawk@diku.dk>,
	Jarek Poplawski <jarkao2@gmail.com>, jamal <hadi@cyberus.ca>
To: David Miller <davem@davemloft.net>
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Le jeudi 20 janvier 2011 =C3=A0 10:50 +0100, Eric Dumazet a =C3=A9crit =
:
> SFQ currently uses a 1024 slots hash table, and its internal structur=
e
> (sfq_sched_data) allocation needs order-1 page on x86_64
>=20
> Allow tc command to specify a divisor value (hash table size), betwee=
n 1
> and 65536.
> If no value is provided, assume the 1024 default size.
>=20
> This allows admins to setup smaller (or bigger) SFQ for specific need=
s.
>=20
> This also brings back sfq_sched_data allocations to order-0 ones, sav=
ing
> 3KB per SFQ qdisc.
>=20
> Jesper uses ~55.000 sfq in one machine, this patch should free 165 MB=
 of
> memory.

Arg, sorry for the double post, I had a tg3 failure on my machine.

Please disregard this copy.