linux-kernel - Re: Error with cgroups: "unused subsystem ns"

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Message-Id: <20081218111255.3d95bd1c.akpm@linux-foundation.org>
Date:	Thu, 18 Dec 2008 11:12:55 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Sharyathi Nagesh <sharyath@...ibm.com>
Cc:	serge@...lyn.com, linux-kernel@...r.kernel.org, menage@...gle.com,
	adobriyan@...il.com, balbir@...ux.vnet.ibm.com, risrajak@...ibm.com
Subject: Re: Error with cgroups: "unused subsystem ns"

On Thu, 18 Dec 2008 16:45:38 +0530
Sharyathi Nagesh <sharyath@...ibm.com> wrote:

> Serge
> > 
> > Resend the patch to lkml.  Assuming you are talking about commit id
> > 93af30a60055a83a00188ae04b88bbd9b4e1489a, go ahead and add my
> > Acked-by.
> Yes it is the same patch. I am attaching the patch for 2.6.28-rc8 let me 
> know: when this can accepted into main line?
> 
> > Converting it to a pr_debug() might be another thing to consider, but
> > I'm not sure anyone wants these messages.
> > 
> > -serge
> 
> Thanks
> Yeehaw
> 
> 
> 
> 
> 
> [unused_subsystem_ns.patch  text/x-diff (667B)]
> Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
> Signed-off-by: Sharyathi Nagesh <sharyathi@...ibm.com>
> 
> Acked-by: Serge E. Hallyn <serge@...lyn.com>
> -----------------
> 
> 
> Index: linux-2.6.28-rc8/kernel/cgroup.c
> ===================================================================
> --- linux-2.6.28-rc8.orig/kernel/cgroup.c	2008-12-11 04:41:51.000000000 +0530
> +++ linux-2.6.28-rc8/kernel/cgroup.c	2008-12-18 21:55:58.000000000 +0530
> @@ -2934,9 +2934,6 @@
>   again:
>  	root = subsys->root;
>  	if (root == &rootnode) {
> -		printk(KERN_INFO
> -		       "Not cloning cgroup for unused subsystem %s\n",
> -		       subsys->name);
>  		mutex_unlock(&cgroup_mutex);
>  		return 0;
>  	}
> 

I'm unsure waht to make of this.  It has no changelog.  It appears to have
been authored by yourself, although it's unclear why it has Alexey's
signoff as well.
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