[Devel] Re: [PATCH 1/4] Virtualization/containers: introduction

[Hubertus Franke]

Eric W. Biederman wrote:
> Hubertus Franke <frankeh at watson.ibm.com> writes:
> 
> 
> 
>>Kirill brought up that VPS can span a cluster..
>>if so how do you (Kirill) do that? You pre-partition the pids into allocation
>>ranges for each container?
>>Eitherway, if this is an important feature, then one needs to look at
>>how that is achieved in pspace (e.g. mod the pidmap_alloc() function
>>to take legal ranges into account). Should still be straight forward.
> 
> 
> Actually legal ranges already exist in the form of min/max values.
> So that is trivial to implement.
> 

Yipp, didn't want to state the obvious, but also give Kirrill a chance
to explain how its done in OpenVZ.

Ultimately, the same "partitioning" that works on vps_info, should work
on pspace.

-- Hubertus