[Devel] Re: [PATCH] c/r: Add UTS support (v4)

[Oren Laadan]

Dave Hansen wrote:
> On Fri, 2009-03-20 at 16:48 -0400, Oren Laadan wrote:
>> Does that scale well with many (1000's) of tasks ?
>>
>> (The motivation to expose 'nsproxy_objref' to user space was to allow
>> user-space to decide on a sequence of clones/unshared that will create
>> an equivalent process tree with space-efficient nsproxy's).
> 
> OK, so you're saying that there's no way for userspace to tell that a
> set of tasks share an nsproxy other than exporting that nsproxy?

I don't think so. Maybe the namespaces people know better.

Oren.

> 
>> Perhaps instead of nsproxy_equal() we could use an 'nsproxy_objref'
>> to know a-priori that it is common, and save the "compare-and-swap"
>> phase altogether.
> 
> Sure, that's workable.  The important thing is that it is an
> optimization that can be left for later.
> 
> -- Dave
> 
> 
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