linux-kernel - Re: [PATCH 3/3] zram: select ZSMALLOC when ZRAM is configured

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Date:	Wed, 26 Sep 2012 12:23:35 -0400
From:	Calvin Walton <calvin.walton@...stin.ca>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Minchan Kim <minchan@...nel.org>, Jens Axboe <axboe@...nel.dk>,
	Nitin Gupta <ngupta@...are.org>,
	Konrad Rzeszutek Wilk <konrad@...nok.org>,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] zram: select ZSMALLOC when ZRAM is configured

On Wed, 2012-09-26 at 09:15 -0700, Greg Kroah-Hartman wrote:
> On Wed, Sep 26, 2012 at 05:50:19PM +0900, Minchan Kim wrote:
> > At the monent, we can configure zram in driver/block once zsmalloc
> > in /lib menu is configured firstly. It's not convenient.
> > 
> > User can configure zram in driver/block regardless of zsmalloc enabling
> > by this patch.
> > 
> > Signed-off-by: Minchan Kim <minchan@...nel.org>
> > ---
> >  drivers/block/zram/Kconfig |    3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/block/zram/Kconfig b/drivers/block/zram/Kconfig
> > index be5abe8..ee23a86 100644
> > --- a/drivers/block/zram/Kconfig
> > +++ b/drivers/block/zram/Kconfig
> > @@ -1,6 +1,7 @@
> >  config ZRAM
> >  	tristate "Compressed RAM block device support"
> > -	depends on BLOCK && SYSFS && ZSMALLOC
> > +	depends on BLOCK && SYSFS
> > +	select ZSMALLOC
> 
> As ZSMALLOC is dependant on CONFIG_STAGING, this isn't going to work at
> all, sorry.

Perhaps you missed [PATCH 1/3] zsmalloc: promote to lib/ ? The first
patch in this series moves zsmalloc out of the staging directory, and
removes the dependency on CONFIG_STAGING.

-- 
Calvin Walton <calvin.walton@...stin.ca>

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