linux-kernel - Re: radix-tree.c:__lookup

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Message-ID: <20061204022652.GA6669@mail.ustc.edu.cn>
Date:	Mon, 4 Dec 2006 10:26:52 +0800
From:	Fengguang Wu <fengguang.wu@...il.com>
To:	Frank van Maarseveen <frankvm@...nkvm.com>
Cc:	linux-kernel@...r.kernel.org, Nick Piggin <npiggin@...e.de>
Subject: Re: radix-tree.c:__lookup_slot() dead code removal

On Sun, Dec 03, 2006 at 06:02:31PM +0100, Frank van Maarseveen wrote:
> --- a/lib/radix-tree.c	2006-12-03 13:23:00.000000000 +0100
> +++ b/lib/radix-tree.c	2006-12-03 17:57:03.000000000 +0100
> @@ -319,9 +319,6 @@ static inline void **__lookup_slot(struc
>  	if (index > radix_tree_maxindex(height))
>  		return NULL;
>  
> -	if (height == 0 && root->rnode)
> -		return (void **)&root->rnode;
> -
>  	shift = (height-1) * RADIX_TREE_MAP_SHIFT;
>  	slot = &root->rnode;

Acked-by: Fengguang Wu <wfg@...l.ustc.edu.cn>
-
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