Re: [PATCH 3/5] Use task_pid() to find leader's pid
From: Oleg Nesterov
Date: Tue Jul 17 2007 - 09:43:05 EST
On 07/16, sukadev@xxxxxxxxxx wrote:
>
> Oleg Nesterov [oleg@xxxxxxxxxx] wrote:
> |
> | Stupid question: why do we need to put the pid namespace into the struct
> | pid? Isn't it better if the user of the struct pid should know its ns?
> | For example, if /proc does put_pid(), that pid should be from the active
> | namespace.
>
> Not sure I fully understand this. A process, and by extension its 'struct
> pid' is visible in multiple namespaces and we maintain this list of
> namespaces in each 'struct pid'.
>
> Are you suggesting having a pid_namespace with a list of all 'struct pids'
> that are visible in it ?
I thought that the plan is: if the task is visible in some namespace, it has
a separate pid_t in that namespace.
OK, the question was relly stupid, please ignore. I'll wait for other patches
to understand what's going on.
Oleg.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/