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SubjectRe: [RFC][PATCH 1/5] uts namespaces: Implement utsname namespaces
"Serge E. Hallyn" <> writes:

> This patch defines the uts namespace and some manipulators.
> Adds the uts namespace to task_struct, and initializes a
> system-wide init namespace which will continue to be used when
> it makes sense.

So to get this straight - you want to add a new pointer to
task_struct for each possible virtualized entity?

After you're doing by how many bytes will task_struct be bloated?
I don't think that's a very good approach because you'll crank
up the per thread memory overhead which is already far too big
in Linux. Also it adds cache foot print and generally makes
things slower.

If anything I would request using a proxy data structure
that contains all the virtualized namespaces for a set
of processes. And give each task only has a single pointer
to one of these.

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