linux-kernel - Re: mmotm 2011-02-10-16-26 uploaded (zcache')

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Date:	Fri, 11 Feb 2011 18:47:18 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Dan Magenheimer <dan.magenheimer@...cle.com>
CC:	Valdis.Kletnieks@...edu, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org, Nitin Gupta <ngupta@...are.org>
Subject: Re: mmotm 2011-02-10-16-26 uploaded (zcache')

On 2/11/2011 2:09 PM, Dan Magenheimer wrote:
>> From: Valdis.Kletnieks@...edu [mailto:Valdis.Kletnieks@...edu]
>> Sent: Friday, February 11, 2011 2:53 PM
>> To: akpm@...ux-foundation.org; Dan Magenheimer
>> Cc: mm-commits@...r.kernel.org; linux-kernel@...r.kernel.org; linux-
>> mm@...ck.org; linux-fsdevel@...r.kernel.org
>> Subject: Re: mmotm 2011-02-10-16-26 uploaded
>>
>> On Thu, 10 Feb 2011 16:26:36 PST, akpm@...ux-foundation.org said:
>>> The mm-of-the-moment snapshot 2011-02-10-16-26 has been uploaded to
>>>
>>>     http://userweb.kernel.org/~akpm/mmotm/
>>
>> CONFIG_ZCACHE=m dies a horrid death:
>
> Thanks Valdis.  A fix for this has already been posted by
> Nitin Gupta and Randy Dunlap here:
>
> https://lkml.org/lkml/2011/2/10/383
>
> Another patch for a zcache memory leak has been posted here:
>
> https://lkml.org/lkml/2011/2/10/306
>
> I'm sorry that multiple people have run into this in
> multiple trees.
> I have to admit I am a bit baffled as to what the proper
> tree flow is for bug fixes like this, but would be happy
> to "follow the process" if I am told what it is or if
> someone can point me to a document describing it.
>
> (Clearly making sure there are no bugs at all in a
> submission is the best way to go, but I'm afraid
> I can't claim to be perfect :-)

When CONFIG_SYSFS is not enabled:

mmotm-2011-0210-1626/drivers/staging/zcache/zcache.c:1608: error: 'ret' 
undeclared (first use in this function)

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