Re: [PATCH -mm 5/7] add user namespace

Kirill Korotaev <[email protected]> writes:

> Another example of not so evident coupling here:
> user structure maintains number of processes/opened files/sigpending/locked_shm
> etc.
> if a single user can belong to different proccess/ipc/... namespaces
> all these becomes unusable.

Why do the count of the number of objects a user has become
unusable if they can count objects in multiple namespaces?

Namespaces are about how names are looked up and how names are
created.  Namespaces are not about the objects those names refer to.

Eric

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