Re: [PATCH 01/10] sched: select_task_rq_fair clean up

From: Frederic Weisbecker
Date: Thu Dec 06 2012 - 12:50:03 EST


2012/12/3 Alex Shi <alex.shi@xxxxxxxxx>:
> It is impossible to miss a task allowed cpu in a eligible group.
>
> And since find_idlest_group only return a different group which
> excludes old cpu, it's also imporissible to find a new cpu same as old
> cpu.

Is it possible for weighted_cpuload() to return ULONG_MAX? If so,
find_idlest_cpu() can return -1.
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