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SubjectRe: [PATCH 05/10] Core checkpoint/restart support code
Quoting ntl@pobox.com (ntl@pobox.com):
> Only a pid namespace init task - the child process produced by a call
> to clone(2) with CLONE_NEWPID - is allowed to call these. The state

So you make this useful for your cases by only using this with
application containers - created using lxc-execute, or, more precisely,
using lxc-init as the container's init. So a container running a stock
distro can't be checkpointed.

Is this just to keep the patch simple for now, or is there some reason
to keep this limitation in place?

-serge


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