Re: [PATCH 01/10] sched: select_task_rq_fair clean up
From: Alex Shi
Date: Thu Dec 06 2012 - 19:33:21 EST
On 12/07/2012 01:50 AM, Frederic Weisbecker wrote:
> 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
> Is it possible for weighted_cpuload() to return ULONG_MAX? If so,
> find_idlest_cpu() can return -1.
No, non of sched entity can has a ULONG_MAX weight.
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