netdev - Re: [PATCH] NET : Optimizes inet

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Message-Id: <20070306.202336.11599348.davem@davemloft.net>
Date:	Tue, 06 Mar 2007 20:23:36 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	dada1@...mosbay.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] NET : Optimizes inet_getpeer()

From: Eric Dumazet <dada1@...mosbay.com>
Date: Tue, 6 Mar 2007 11:33:20 +0100

> [PATCH] NET : Optimizes inet_getpeer()
> 
> 1) Some sysctl vars are declared __read_mostly
> 
> 2) We can avoid updating stack[] when doing an AVL lookup only.
> 
>     lookup() macro is extended to receive a second parameter, that may be NULL 
> in case of a pure lookup (no need to save the AVL path). This removes 
> unnecessary instructions, because compiler knows if this _stack parameter is 
> NULL or not.
> 
>     text size of net/ipv4/inetpeer.o is 2063 bytes instead of 2107 on x86_64
> 
> Signed-off-by: Eric Dumazet <dada1@...mosbay.com>

Applied, thanks Eric.
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