linux-kernel - Re: [PATCH net-next] fib_trie: only calc for the un-first node

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Message-Id: <20131010.001722.880038875298978753.davem@davemloft.net>
Date:	Thu, 10 Oct 2013 00:17:22 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	baker.kernel@...il.com
Cc:	kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	kaber@...sh.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] fib_trie: only calc for the un-first node

From: baker.kernel@...il.com
Date: Tue,  8 Oct 2013 11:36:51 +0800

> From: "baker.zhang" <baker.kernel@...il.com>
> 
> This is a enhancement.
> 
> for the first node in fib_trie, newpos is 0, bit is 1.
> Only for the leaf or node with unmatched key need calc pos.
> 
> Signed-off-by: baker.zhang <baker.kernel@...il.com>

The compiler is probably doing this transformation all by itself,
but applied anyways, thanks.
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