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Message-ID: <CAFTL4hw1Zq+nUG5CXe+7sGNa_1A3YGpe-TBbSTeaPtzXWD57hg@mail.gmail.com> Date: Thu, 6 Dec 2012 18:50:05 +0100 From: Frederic Weisbecker <fweisbec@...il.com> To: Alex Shi <alex.shi@...el.com> Cc: npiggin@...nel.dk, mingo@...hat.com, peterz@...radead.org, linux-kernel@...r.kernel.org, akpm@...ux-foundation.org Subject: Re: [PATCH 01/10] sched: select_task_rq_fair clean up 2012/12/3 Alex Shi <alex.shi@...el.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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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