linux-kernel - Re: [PATCH v3]mempool.c : clean up type-casting twice

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Message-ID: <20090705090441.GA24502@elte.hu>
Date:	Sun, 5 Jul 2009 11:04:41 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"Figo.zhang" <figo1802@...il.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...l.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3]mempool.c : clean up type-casting twice


* Figo.zhang <figo1802@...il.com> wrote:

> clean up type-casting twice. "size_t" typedef as "unsigned long" in 64-bit system,
> and "unsigned int" in 32-bit system.

[
  You should line-length limit your changelogs btw., to 60 
  characters or so. git log will add another 4 characters. The 
  ~/.vimrc magic for this is:

  autocmd BufNewFile,BufRead *.patch setlocal textwidth=60
]

> 
> in v3, remove the space to casts.
> 
> Signed-off-by: Figo.zhang <figo1802@...il.com>
> ---    
> mm/mempool.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/mempool.c b/mm/mempool.c
> index a46eb1b..32e75d4 100644
> --- a/mm/mempool.c
> +++ b/mm/mempool.c
> @@ -303,14 +303,14 @@ EXPORT_SYMBOL(mempool_free_slab);
>   */
>  void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data)
>  {
> -	size_t size = (size_t)(long)pool_data;
> +	size_t size = (size_t)pool_data;
>  	return kmalloc(size, gfp_mask);
>  }
>  EXPORT_SYMBOL(mempool_kmalloc);
>  
>  void *mempool_kzalloc(gfp_t gfp_mask, void *pool_data)
>  {
> -	size_t size = (size_t) pool_data;
> +	size_t size = (size_t)pool_data;
>  	return kzalloc(size, gfp_mask);
>  }
>  EXPORT_SYMBOL(mempool_kzalloc);

Acked-by: Ingo Molnar <mingo@...e.hu>

	Ingo
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