Messages in this thread | | | Date | Fri, 07 Dec 2012 08:31:23 +0800 | From | Alex Shi <> | Subject | Re: [PATCH 01/10] sched: select_task_rq_fair clean up |
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On 12/07/2012 01:50 AM, Frederic Weisbecker wrote: > 2012/12/3 Alex Shi <alex.shi@intel.com>: >> 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. >
No, non of sched entity can has a ULONG_MAX weight.
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