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    SubjectRe: A Plumber’s Wish List for Linux

    Useful email, thanks.

    On Fri, 07 Oct 2011 01:17:02 +0200
    Kay Sievers <> wrote:

    > We___d like to share our current wish list of plumbing layer features we

    gargh. gmail?

    > ...
    > * fork throttling mechanism as basic cgroup functionality that is
    > available in all hierarchies independent of the controllers used:
    > This is important to implement race-free killing of all members of a
    > cgroup, so that cgroup member processes cannot fork faster then a cgroup
    > supervisor process could kill them. This needs to be recursive, so that
    > not only a cgroup but all its subgroups are covered as well.

    Frederic Weisbecker's "cgroups: add a task counter subsystem" should
    address this. Does it meet these requirments? Have you tested it?

    > ...
    > * Add a timerslack cgroup controller, to allow increasing the timer
    > slack of user session cgroups when the machine is idle.

    Kirill Shutemov has just posted "cgroups: introduce timer slack
    controller". Again, is that sufficient? Have you reviewed and tested

    > ...

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