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    SubjectRe: [RFC][PATCH] NOOP cgroup subsystem
    On Thu, Jan 8, 2009 at 9:32 PM, KAMEZAWA Hiroyuki
    <> wrote:
    > Motivation: Simply classify Applications by cgroup
    > When using cgroup for classifying applications, some kind of "control" or
    > "account" subsys must be used. For flexible use of cgroup's nature of
    > classifying applications, NOOP is useful. It can be used regardless of
    > resource accounting unit or name spaces or some controls.
    > IOW, NOOP cgroup allows users to tie PIDs with some nickname.

    I agree that the idea is useful. But to me it seems to a bit
    artificial that you still have to mount some kind of subsystem purely
    to get the grouping, and that you can only have one such grouping.

    I think I'd prefer the ability to mount a cgroups hierarchy without
    *any* subsystems (maybe with "-o none"?) which would give you a
    similar effect, but without you needing to know about a special no-op
    subsystem, and would allow you to have multiple "no-op" groupings.


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