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SubjectRe: [PATCH 3/5] Use task_pid() to find leader's pid
On 07/16, sukadev@us.ibm.com wrote:
>
> Oleg Nesterov [oleg@tv-sign.ru] 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.

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