[PATCH 0/2] sched: Reduce contention on tg's load_avg & runnable_avg

[Waiman Long]

These 2 patches try to reduce contention on the load_avg and
runnable_avg values of the task_group structure in large NUMA
machine by:

patch 1: Move them into their own cacheline & reduce actual read/write
	 to them.

patch 2: Reduce the frequecy of doing the average computation.

Waiman Long (2):
  sched: reduce contention on tg's load_avg & runnable_avg
  sched, numa: reduce load/runnable_avg computation frequency

 init/Kconfig         |   13 ++++++++
 kernel/sched/core.c  |    1 +
 kernel/sched/fair.c  |   84 +++++++++++++++++++++++++++++++++++++++++++++-----
 kernel/sched/sched.h |   29 ++++++++++++++++-
 4 files changed, 117 insertions(+), 10 deletions(-)

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