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由 Peter Zijlstra 提交于
In one of the group load balancer patches: commit 408ed066 Author: Peter Zijlstra <a.p.zijlstra@chello.nl> Date: Fri Jun 27 13:41:28 2008 +0200 Subject: sched: hierarchical load vs find_busiest_group The following change: - if (max_load - this_load + SCHED_LOAD_SCALE_FUZZ >= + if (max_load - this_load + 2*busiest_load_per_task >= busiest_load_per_task * imbn) { made the condition always true, because imbn is [1,2]. Therefore, remove the 2*, and give the it a fair chance. Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: NMike Galbraith <efault@gmx.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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