Re: [PATCH 2/3] teach set_special_pids() to use struct pid

[ebiederm@xmission.com (Eric W. Biederman)]

Oleg Nesterov <oleg@tv-sign.ru> writes:

> On 11/26, Eric W. Biederman wrote:
>>
>> Oleg Nesterov <oleg@tv-sign.ru> writes:
>> 
>> > -	set_special_pids(1, 1);
>> > +	if (current->nsproxy != &init_nsproxy) {
>> > +		get_nsproxy(&init_nsproxy);
>> > +		switch_task_namespaces(current, &init_nsproxy);
>> > +	}
>> 
>> Is there a reason for moving this hunk of code?
>> 
>> I don't see one as set_special_pids does everything with either
>> struct pid or global pid values.  And attach_pid and detach_pid
>> don't care.
>
> No particular reason, except "keep related code together".
>
> There was another minor reason. Without the next patch we are doing find_pid(1).
> This is correct, we scan the global namespace, but still it looks a bit tidier
> to switch namespace first, so we could use find_vpid() in unlikely case we need
> it.

True.  I just pointed it out because it seemed an unnecessary chunk.
Regardless it is harmless either way.

Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>

Eric