[PATCH 0/2] CGroups: cgroup member list enhancement/fix

Paul Menage menage at google.com
Fri Jul 10 16:58:23 PDT 2009


On Sat, Jul 4, 2009 at 11:38 PM, Balbir Singh<balbir at linux.vnet.ibm.com> wrote:
>
> Paul, I don't see an interface to migrate all procs or at-least I
> can't read it in the changelog. As discussed in the containers
> mini-summit in 2008, it would be a nice thing to have (I've not looked
> at the implementation yet).
>

We're still working on that bit.

We want to provide the guarantee that if you write a tgid to the procs
file, all its threads get migrated even if you race with a clone()
call, and are trying to figure out a nice way to do that without
introducing unnecessary overhead/synchronization in the fork path.

Paul


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