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Peter Zijlstra authored
wake_affine() would always fail under low-load situations where both prev and this were idle, because adding a single task will always be a significant imbalance, even if there's nothing around that could balance it. Deal with this by allowing imbalance when there's nothing you can do about it. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Dinakar Guniguntala <dino@in.ibm.com> Cc: John Stultz <johnstul@us.ibm.com> Cc: Darren Hart <dvhltc@us.ibm.com> Cc: John Kacur <jkacur@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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