sched: Fix nohz_idle_balance()

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On tickless systems, one CPU runs load balance for all idle CPUs.

The cpu_load of this CPU is updated before starting the load balance
of each other idle CPUs. We should instead update the cpu_load of
the balance_cpu.

Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Venkatesh Pallipadi <venki@google.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1347509486-8688-1-git-send-email-vincent.guittot@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Vincent Guittot 2012-09-13 06:11:26 +02:00 • committed by Ingo Molnar

parent 38b8dd6f87

commit 5ed4f1d96d

1 changed files with 6 additions and 5 deletions

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kernel/sched/fair.c

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