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From: Oleg Nesterov <oleg@redhat.com>
To: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Pavel Emelyanov <xemul@parallels.com>,
	Serge Hallyn <serge.hallyn@canonical.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Tejun Heo <tj@kernel.org>, Andrew Vagin <avagin@openvz.org>,
	Vasiliy Kulikov <segoon@openwall.com>
Subject: Re: [PATCH] fs, proc: Introduce /proc/<pid>/task/<tid>/children entry v7
Date: Thu, 19 Jan 2012 18:57:00 +0100	[thread overview]
Message-ID: <20120119175700.GA19627@redhat.com> (raw)
In-Reply-To: <20120119174742.GD32568@moon>

On 01/19, Cyrill Gorcunov wrote:
>
> On Thu, Jan 19, 2012 at 07:51:12PM +0400, Cyrill Gorcunov wrote:
> > If it's needed I can wrap all this with CONFIG_CHECKPOINT_RESTORE, should I?
> >
> > ---
>
> Oleg, if only I'm not missing something obvious you meant handling like below?

Yes, but...

> +struct proc_pid_children_iter {
> +	struct pid_namespace *pid_ns;
> +	struct pid *parent_pid;
> +};

you forgot to remove this definition.

> +static int children_seq_show(struct seq_file *seq, void *v)
> +{
> +	struct inode *inode = seq->private;
> +	unsigned long pid;
> +
> +	pid = (unsigned long)pid_nr_ns(v, inode->i_sb->s_fs_info);
> +	return seq_printf(seq, " %lu", pid);
> +}

just noticed... why unsigned long and %lu? afaics pid_t/%d should work
without any typecasts.

Oleg.


  reply	other threads:[~2012-01-19 18:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-19 15:51 [PATCH] fs, proc: Introduce /proc/<pid>/task/<tid>/children entry v7 Cyrill Gorcunov
2012-01-19 17:47 ` Cyrill Gorcunov
2012-01-19 17:57   ` Oleg Nesterov [this message]
2012-01-19 18:09     ` Cyrill Gorcunov
2012-01-19 18:13       ` Cyrill Gorcunov
2012-01-20 15:01         ` Oleg Nesterov
2012-01-19 23:14       ` Eric W. Biederman
2012-01-20  6:31         ` Cyrill Gorcunov

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