linux-kernel - Re: [PATCH v3] zsmalloc: zsmalloc: use unsigned long instead of void *

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Message-ID: <4FD1A5FE.7020305@vflare.org>
Date:	Fri, 08 Jun 2012 00:13:02 -0700
From:	Nitin Gupta <ngupta@...are.org>
To:	Minchan Kim <minchan@...nel.org>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Dan Magenheimer <dan.magenheimer@...cle.com>
Subject: Re: [PATCH v3] zsmalloc: zsmalloc: use unsigned long instead of void
 *

On 06/07/2012 11:39 PM, Minchan Kim wrote:

> We should use unsigned long as handle instead of void * to avoid any
> confusion. Without this, users may just treat zs_malloc return value as
> a pointer and try to deference it.
> 
> This patch passed compile test(zram, zcache and ramster) and zram is
> tested on qemu.
> 
> changelog
>   * from v2
> 	- remove hval pointed out by Nitin
> 	- based on next-20120607
>   * from v1
> 	- change zcache's zv_create return value
> 	- baesd on next-20120604
> 
> Cc: Nitin Gupta <ngupta@...are.org>
> Cc: Dan Magenheimer <dan.magenheimer@...cle.com>
> Acked-by: Seth Jennings <sjenning@...ux.vnet.ibm.com>
> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> Signed-off-by: Minchan Kim <minchan@...nel.org>
> ---
>  drivers/staging/zcache/zcache-main.c     |   12 ++++++------
>  drivers/staging/zram/zram_drv.c          |   16 ++++++++--------
>  drivers/staging/zram/zram_drv.h          |    2 +-
>  drivers/staging/zsmalloc/zsmalloc-main.c |   28 +++++++++++++---------------
>  drivers/staging/zsmalloc/zsmalloc.h      |    8 ++++----
>  5 files changed, 32 insertions(+), 34 deletions(-)
> 


Thanks for all these fixes and cleanups.

Acked-by: Nitin Gupta <ngupta@...are.org>

Thanks,
Nitin
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