linux-kernel - Re: ext4: Take advantage of kmem_cache_zalloc() in ext4_init_io

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Message-ID: <20101220024455.GB24990@thunk.org>
Date:	Sun, 19 Dec 2010 21:44:55 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Jesper Juhl <jj@...osbits.net>
Cc:	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andreas Dilger <adilger.kernel@...ger.ca>
Subject: Re: ext4: Take advantage of kmem_cache_zalloc() in
 ext4_init_io_end()

On Thu, Dec 09, 2010 at 12:17:34PM -0000, Jesper Juhl wrote:
> Take advantage of kmem_cache_zalloc(). Save a memset() call in 
> ext4_init_io_end() and save a few bytes.
> 
> Before:
>  [jj@...gon linux-2.6]$ size fs/ext4/page-io.o
>     text    data     bss     dec     hex filename
>     3016       0     624    3640     e38 fs/ext4/page-io.o
> After:
>  [jj@...gon linux-2.6]$ size fs/ext4/page-io.o
>     text    data     bss     dec     hex filename
>     3000       0     624    3624     e28 fs/ext4/page-io.o
> 
> Signed-off-by: Jesper Juhl <jj@...osbits.net>

Thanks, added to the ext4 patch queue.

						- Ted
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