linux-kernel - Re: [PATCH staging-next] zram: remove zram

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Date:	Fri, 21 Jun 2013 15:10:05 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:	Nitin Gupta <ngupta@...are.org>, Minchan Kim <minchan@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH staging-next] zram: remove zram_sysfs file

On Fri, Jun 21, 2013 at 06:29:14PM +0300, Sergey Senozhatsky wrote:
> Move zram sysfs code to zram drv and remove zram_sysfs file.
> This gives ability to make static a number of previously exported
> zram functions, used from zram sysfs, e.g. internal zram
> zram_meta_alloc/free(). We also can drop several zram_drv wrapper
> functions, used from zram sysfs:
> e.g. zram_reset_device()/__zram_reset_device() pair.
> 
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> 
> ---
>  drivers/staging/zram/Makefile     |   2 +-
>  drivers/staging/zram/zram_drv.c   | 524 +++++++++++++++++++++++++-------------
>  drivers/staging/zram/zram_drv.h   |  10 -
>  drivers/staging/zram/zram_sysfs.c | 209 ---------------
>  4 files changed, 354 insertions(+), 391 deletions(-)
> 
> diff --git a/drivers/staging/zram/Makefile b/drivers/staging/zram/Makefile
> index 7f4a301..cb0f9ce 100644
> --- a/drivers/staging/zram/Makefile
> +++ b/drivers/staging/zram/Makefile
> @@ -1,3 +1,3 @@
> -zram-y	:=	zram_drv.o zram_sysfs.o
> +zram-y	:=	zram_drv.o
>  
>  obj-$(CONFIG_ZRAM)	+=	zram.o
> diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
> index ec2b2b5..f32fcca 100644
> --- a/drivers/staging/zram/zram_drv.c
> +++ b/drivers/staging/zram/zram_drv.c
> @@ -42,6 +42,111 @@ static struct zram *zram_devices;
>  /* Module params (documentation at end) */
>  static unsigned int num_devices = 1;
>  
> +module_param(num_devices, uint, 0);
> +MODULE_PARM_DESC(num_devices, "Number of zram devices");
> +
> +MODULE_LICENSE("Dual BSD/GPL");
> +MODULE_AUTHOR("Nitin Gupta <ngupta@...are.org>");
> +MODULE_DESCRIPTION("Compressed RAM Block Device");

This is usually best put at the bottom of the file, not at the top.

Why did you move it?

thanks,

greg k-h
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