linux-kernel - Re: [PATCH -mm] remove node_ prefix

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Date:	Thu, 22 May 2008 00:11:56 -0700
From:	"Paul Menage" <menage@...gle.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	"Cedric Le Goater" <clg@...ibm.com>,
	"Serge E. Hallyn" <serue@...ibm.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Linux Containers" <containers@...ts.osdl.org>
Subject: Re: [PATCH -mm] remove node_ prefix_from ns subsystem

On Wed, May 21, 2008 at 10:06 PM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
>> --- 2.6.26-rc2-mm1.orig/kernel/cgroup.c
>> +++ 2.6.26-rc2-mm1/kernel/cgroup.c
>> @@ -2903,7 +2903,7 @@ int cgroup_clone(struct task_struct *tsk
>>       cg = tsk->cgroups;
>>       parent = task_cgroup(tsk, subsys->subsys_id);
>>
>> -     snprintf(nodename, MAX_CGROUP_TYPE_NAMELEN, "node_%d", tsk->pid);
>> +     snprintf(nodename, MAX_CGROUP_TYPE_NAMELEN, "%d", tsk->pid);
>>
>>       /* Pin the hierarchy */
>>       atomic_inc(&parent->root->sb->s_active);
>
> This is user-visible, isn't it?  Been there since October.  How can we
> safely change it now?

It is user-visible, but I'd be extremely surprised if anyone was
depending on it or even using it at this point.

Paul
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