Re: [PATCH] Add cgroup support for enabling controllers at boot time

[KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>]

On Fri, 07 Mar 2008 10:11:17 +0530
Balbir Singh <balbir@linux.vnet.ibm.com> wrote:

> David Rientjes wrote:
> > On Fri, 7 Mar 2008, Balbir Singh wrote:
> > 
> >> @@ -3010,3 +3020,16 @@ static void cgroup_release_agent(struct 
> >>  	spin_unlock(&release_list_lock);
> >>  	mutex_unlock(&cgroup_mutex);
> >>  }
> >> +
> >> +static int __init cgroup_disable(char *str)
> >> +{
> >> +	int i;
> >> +	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
> >> +		struct cgroup_subsys *ss = subsys[i];
> >> +		if (!strcmp(str, ss->name)) {
> >> +			ss->disabled = 1;
> >> +			break;
> >> +		}
> >> +	}
> >> +}
> >> +__setup("cgroup_disable=", cgroup_disable);
> > 
> > This doesn't handle spaces very well, so isn't it possible for the name of 
> > a current or future cgroup subsystem to be specified after cgroup_disable= 
> > on the command line and have it disabled by accident?
> > 
> 
Hmm, cmdline like

cgroup_disable=cpu,memory, ...

should be written as

cgroup_disable=cpu cgroup_disable=memory ....

?
Thanks,
-Kame

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