netdev - Re: [PATCH] Disable rp_filter for IPsec packets

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Message-Id: <20110314.152704.98879085.davem@davemloft.net>
Date:	Mon, 14 Mar 2011 15:27:04 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	msmith@...co.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] Disable rp_filter for IPsec packets

From: Michael Smith <msmith@...co.com>
Date: Mon, 14 Mar 2011 18:23:20 -0400

> David Miller wrote:
> 
>> Existing arguments might be large enough to carry more than one piece
>> of information :-)
> 
> If it's encoded into another argument, would there be more overhead
> from bit-shifting it out than you'd save by losing an argument?

It sure will if it's the different between the argument being passed
in a register vs. on the stack.
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