linux-kernel - Re: [PATCH 2/3] Prepare pid_nr() etc functions to work with not-NULL pids

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Message-ID: <47063923.80607@openvz.org>
Date:	Fri, 05 Oct 2007 17:16:19 +0400
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	Matt Mackall <mpm@...enic.com>
CC:	Andrew Morton <akpm@...l.org>,
	Sukadev Bhattiprolu <sukadev@...ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	devel@...nvz.org
Subject: Re: [PATCH 2/3] Prepare pid_nr() etc functions to work with not-NULL
 pids

Matt Mackall wrote:
> On Thu, Oct 04, 2007 at 12:54:17PM +0400, Pavel Emelyanov wrote:
>> Matt Mackall wrote:
>>> On Wed, Oct 03, 2007 at 06:20:43PM +0400, Pavel Emelyanov wrote:
>>>> Just make the __pid_nr() etc functions that expect the argument
>>>> to always be not NULL.
>>>>
>>>> Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>
>>>>  static inline pid_t pid_nr(struct pid *pid)
>>>>  {
>>>>  	pid_t nr = 0;
>>>>  	if (pid)
>>>> -		nr = pid->numbers[0].nr;
>>>> +		nr = __pid_nr(pid);
>>>>  	return nr;
>>>>  }
>>> Is there a patch that removes these inlines? Otherwise this looks good
>>> to me.
>> Not yet. Some of are uninlined already, but others are not. I'd like 
>> to make some testing before uninline them.
> 
> I was asking about the whole function, actually, not the keyword. Is
> this function not equivalent to __pid_nr now?

Oh, I see. I haven't managed to check the whole kernel yet that all
the users of pid_xnr() calls pass not-null pointer there. This is 
in TODO list.

Thanks,
Pavel

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