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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2011-07-05 10:56:32 +0200
committerIngo Molnar <mingo@elte.hu>2011-07-05 11:28:18 +0200
commite4c2fb0d5776b58049d2556b456144a4db3fe5a9 (patch)
tree04cebbb24f524408728492cfeb396d66aa6127e4 /lib
parentcd62287e364c0d15d517c6ced4e4808b54711475 (diff)
sched: Disable (revert) SCHED_LOAD_SCALE increase
Alex reported that commit c8b281161df ("sched: Increase SCHED_LOAD_SCALE resolution") caused a power usage regression under light load as it increases the number of load-balance operations and keeps idle cpus from staying idle. Time has run out to find the root cause for this release so disable the feature for v3.0 until we can figure out what causes the problem. Reported-by: "Alex, Shi" <alex.shi@intel.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Nikhil Rao <ncrao@google.com> Cc: Ming Lei <tom.leiming@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/n/tip-m4onxn0sxnyn5iz9o88eskc3@git.kernel.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
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