Herbert Poetzl wrote:
> On Fri, Dec 08, 2006 at 12:26:49PM -0700, Eric W. Biederman wrote:
>> clg@fr.ibm.com writes:
>>
>>> From: Cedric Le Goater <clg@fr.ibm.com>
>>>
>>> The following patch defines 2 new syscalls specific to nsproxy and
>>> namespaces :
>>>
>>> * unshare_ns :
>>>
>>> 	enables a process to unshare one or more namespaces. this
>>>         duplicates the unshare syscall for the moment but we
>>> 	expect to diverge when the number of namespaces increases
>> Are we out of clone flags yet?  If not this is premature.
> 
> no, but a different nevertheless related question:
> does anybody, except for 'us' use the unshare() syscall?
> 
> because if not, then why not simply extend that one
> to 64bit and be done, we probably won't need a clone64()
> but if we find we do (at some point) adding that with
> the new flags would be trivial ...
> 
> OTOH, we could also just add an unshare64() too
>
> anyway, we _will_ run out of flags in the near future

yes. that's probably the way to go. I'll rework unshare_ns() in a 
unshare64(). it will give some air to the 32bits clone() and unshare() and 
will let us use the >32bits flags for namespaces.

thanks,

C.
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