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References: <20090702020624.14469.47066.stgit@menage.mtv.corp.google.com>
	 <20090702021113.14469.2703.stgit@menage.mtv.corp.google.com>
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Date: Tue, 21 Jul 2009 16:31:00 -0700
Message-ID: <6599ad830907211631g6fb363d1n147fc0843fa4e626@mail.gmail.com>
Subject: Re: [PATCH 4/9] [RFC] Allow cgroup hierarchies to be created with no 
	bound subsystems
From: Paul Menage <menage@google.com>
To: Li Zefan <lizf@cn.fujitsu.com>
Cc: balbir@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
       akpm@linux-foundation.org, containers@lists.linux-foundation.org,
       kamezawa.hiroyu@jp.fujitsu.com
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Lines: 52

OK, updated for the next version of these patches.

Thanks,

Paul

On Fri, Jul 3, 2009 at 12:57 AM, Li Zefan<lizf@cn.fujitsu.com> wrote:
>> +#define MAX_TASKS_SHOWN_PER_CSS 25
>> +static int cgroup_css_links_read(struct cgroup *cont,
>> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?struct cftype *cft,
>> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?struct seq_file *seq)
>> +{
>> + ? ? struct cg_cgroup_link *link, *saved_link;
>
> need a newline
>
>> + ? ? write_lock_irq(&css_set_lock);
>
> can be read_lock(&css_set_lock);
>
>> + ? ? list_for_each_entry_safe(link, saved_link, &cont->css_sets,
>
> can be list_for_each_entry()
>
>> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?cgrp_link_list) {
>> + ? ? ? ? ? ? struct css_set *cg = link->cg;
>> + ? ? ? ? ? ? struct task_struct *task, *saved_task;
>> + ? ? ? ? ? ? int count = 0;
>> + ? ? ? ? ? ? seq_printf(seq, "css_set %p\n", cg);
>> + ? ? ? ? ? ? list_for_each_entry_safe(task, saved_task, &cg->tasks,
>
> ditto
>
>> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?cg_list) {
>> + ? ? ? ? ? ? ? ? ? ? if (count++ > MAX_TASKS_SHOWN_PER_CSS) {
>> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? seq_puts(seq, " ?...\n");
>> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? break;
>> + ? ? ? ? ? ? ? ? ? ? } else {
>> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? seq_printf(seq, " ?task %d\n",
>> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?task_pid_vnr(task));
>> + ? ? ? ? ? ? ? ? ? ? }
>> + ? ? ? ? ? ? }
>> + ? ? }
>> + ? ? write_unlock_irq(&css_set_lock);
>> + ? ? return 0;
>> +}
>
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