[RESEND PATCH v2 1/2] sched/deadline: Add cpudl_maximum_dl() for clean-up

From: Byungchul Park
Date: Wed Nov 01 2017 - 21:25:25 EST


Changes from v1
- Enhance commit msg
- Prevent WARN in cpumask_test_cpu() in cpudl_find() when best_cpu == -1

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