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

[Oleg Nesterov]

On 11/26, Eric W. Biederman wrote:
>
> Oleg Nesterov <oleg@xxxxxxxxxx> 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.

Oleg.

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