netdev - RE: [PATCH net-next] net: sched: use no more than one page in struct fw

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Message-ID: <1395071528.9668.53.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Mon, 17 Mar 2014 08:52:08 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	Thomas Graf <tgraf@...g.ch>, David Miller <davem@...emloft.net>,
	John Fastabend <john.fastabend@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH net-next] net: sched: use no more than one page in
 struct fw_head

On Mon, 2014-03-17 at 15:43 +0000, David Laight wrote:

> The nios cpu on my fpga can't :-)

In this case, gcc will use a reciprocal divide.

Depending on the divisor it can be one or two multiply, and some
trivial arithmetics.



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