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    SubjectRe: [PATCH] cpuset and sched domains: sched_load_balance flag

    * Paul Jackson <pj@sgi.com> wrote:

    > Add a new per-cpuset flag called 'sched_load_balance'.
    >
    > When enabled in a cpuset (the default value) it tells the kernel
    > scheduler that the scheduler should provide the normal load balancing
    > on the CPUs in that cpuset, sometimes moving tasks from one CPU to a
    > second CPU if the second CPU is less loaded and if that task is
    > allowed to run there.
    >
    > When disabled (write "0" to the file) then it tells the kernel
    > scheduler that load balancing is not required for the CPUs in that
    > cpuset.

    i like this, this feature would be quite useful for -rt and CPU
    shielding.

    ( a cpuset is a mandatory container for set_cpus_allowed(), so there is
    a material and app-visible difference between a 4-CPU cpuset that has
    balancing disabled and 4x 1-CPU cpusets. )

    Ingo
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