linux-kernel - Re: [TRIVIAL PATCH next 12/15] video: Convert vmalloc/memset to vzalloc

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Date:	Mon, 30 May 2011 12:40:25 +0100
From:	Mel Gorman <mel@....ul.ie>
To:	Joe Perches <joe@...ches.com>
Cc:	Jaya Kumar <jayalk@...works.biz>, Paul Mundt <lethal@...ux-sh.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jiri Kosina <trivial@...nel.org>, linux-fbdev@...r.kernel.org,
	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [TRIVIAL PATCH next 12/15] video: Convert vmalloc/memset to
 vzalloc

On Sat, May 28, 2011 at 10:36:32AM -0700, Joe Perches wrote:
> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
>  drivers/video/arcfb.c        |    5 ++---
>  drivers/video/broadsheetfb.c |    4 +---
>  drivers/video/hecubafb.c     |    5 ++---
>  drivers/video/metronomefb.c  |    4 +---
>  drivers/video/xen-fbfront.c  |    3 +--
>  5 files changed, 7 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
> index 3ec4923..86573e2 100644
> --- a/drivers/video/arcfb.c
> +++ b/drivers/video/arcfb.c
> @@ -515,11 +515,10 @@ static int __devinit arcfb_probe(struct platform_device *dev)
>  
>  	/* We need a flat backing store for the Arc's
>  	   less-flat actual paged framebuffer */
> -	if (!(videomemory = vmalloc(videomemorysize)))
> +	videomemory = vmalloc(videomemorysize);
> +	if (!videomemory)
>  		return retval;
>  
> -	memset(videomemory, 0, videomemorysize);
> -
>  	info = framebuffer_alloc(sizeof(struct arcfb_par), &dev->dev);
>  	if (!info)
>  		goto err;

This is the first commit I saw and stopped reading at this point
because this hunk is not using vzalloc. I imagine grep for ^+ and
vmalloc throughout the series would be helpful?

-- 
Mel Gorman
SUSE Labs
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