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    SubjectRe: [PATCH 0/4] Container Freezer: Reuse Suspend Freezer

    On Tue, 2008-07-08 at 13:07 -0700, Paul Menage wrote:
    > On Tue, Jul 8, 2008 at 1:06 PM, Paul Menage <> wrote:
    > > On Tue, Jul 8, 2008 at 12:39 PM, Matt Helsley <> wrote:
    > >>
    > >> One is to try and disallow users from moving frozen tasks. That doesn't
    > >> seem like a good approach since it would require a new cgroups interface
    > >> "can_detach()".
    > >
    > > Detaching from the old cgroup happens at the same time as attaching to
    > > the new cgroup, so can_attach() would work here.

    Update: I've made a patch implementing this. However it might be better
    to just modify attach() to thaw the moving task rather than disallow
    moving the frozen task. Serge, Cedric, Kame-san, do you have any
    thoughts on which is more useful and/or intuitive?

    > And the whole can_attach()/attach() protocol needs reworking anyway,
    > see my email (hopefully) later today.
    > Paul

    Interesting. I look forward to seeing this.


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