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    Subject[patch] sched: fix active load balance
    Recent changes to active load balance (sched2-fix-smt-scheduling-problems.patch
    in -mm) is not resulting in any task movement from busiest to target_cpu.
    Attached patch(ontop of -mm) fixes this issue.

    Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>

    --- linux-2.6.12-rc2-mm3/kernel/sched.c 2005-04-11 23:08:30.875103512 -0700
    +++ linux/kernel/sched.c 2005-04-13 10:44:37.400829992 -0700
    @@ -2131,7 +2131,7 @@
    */
    static void active_load_balance(runqueue_t *busiest_rq, int busiest_cpu)
    {
    - struct sched_domain *tmp = NULL, *sd;
    + struct sched_domain *sd;
    runqueue_t *target_rq;
    int target_cpu = busiest_rq->push_cpu;

    @@ -2152,13 +2152,10 @@
    double_lock_balance(busiest_rq, target_rq);

    /* Search for an sd spanning us and the target CPU. */
    - for_each_domain(target_cpu, sd) {
    + for_each_domain(target_cpu, sd)
    if ((sd->flags & SD_LOAD_BALANCE) &&
    - cpu_isset(busiest_cpu, sd->span)) {
    - sd = tmp;
    + cpu_isset(busiest_cpu, sd->span))
    break;
    - }
    - }

    if (unlikely(sd == NULL))
    goto out;
    -
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