[Devel] Re: [PATCH 03/33] task containersv11 add tasks file interface

[Paul Menage]

On 10/3/07, Paul Jackson <pj at sgi.com> wrote:
>
> So after changing the 'cpus' of a cpuset, you (something in
> user space) then has to rewrite every pid in that cpusets
> tasks file back to that same tasks file, in order to get the
> change to be applied to each of those tasks, and get them to
> start running on their new CPUs.

What happens to the new child that got forked right between userspace
reading the 'tasks' file and writing back the pids?

Paul
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