linux-kernel - Re: [PATCH] radix_tree: delete orphaned macro radix_tree_indirect_to

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Message-ID: <4EF2A410.6020400@cn.fujitsu.com>
Date:	Thu, 22 Dec 2011 11:29:20 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	"nai.xia" <nai.xia@...il.com>
CC:	Hugh Dickins <hughd@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Chinner <david@...morbit.com>, Jan Kara <jack@...e.cz>,
	Mel Gorman <mgorman@...e.de>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH] radix_tree: delete orphaned macro radix_tree_indirect_to_ptr

nai.xia wrote:
> Seems nobody has been using the macro radix_tree_indirect_to_ptr()
> since long time ago. Delete it.
> 

Someone else has already posted the same patch.

https://lkml.org/lkml/2011/12/16/118

> Signed-off-by: Nai Xia <nai.xia@...il.com>
> ---
>  include/linux/radix-tree.h |    3 ---
>  1 files changed, 0 insertions(+), 3 deletions(-)
> 
> --- a/include/linux/radix-tree.h
> +++ b/include/linux/radix-tree.h
> @@ -49,9 +49,6 @@
>  #define RADIX_TREE_EXCEPTIONAL_ENTRY    2
>  #define RADIX_TREE_EXCEPTIONAL_SHIFT    2
> 
> -#define radix_tree_indirect_to_ptr(ptr) \
> -    radix_tree_indirect_to_ptr((void __force *)(ptr))
> -
>  static inline int radix_tree_is_indirect_ptr(void *ptr)
>  {
>      return (int)((unsigned long)ptr & RADIX_TREE_INDIRECT_PTR);
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