sched: Shorten the construction of the span cpu mask of sched domain

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For a given node, when constructing the cpumask for its
sched_domain to span, if there is no best node available after
searching, further efforts could be saved, based on small change
in the return value of find_next_best_node().

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Yong Zhang <yong.zhang0@gmail.com>
Link: http://lkml.kernel.org/r/BANLkTi%3DqPWxRAa6%2BdT3ohEP6Z%3D0v%2Be4EXA@mail.gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Hillf Danton 2011-05-05 20:53:20 +08:00 • committed by Ingo Molnar

parent 4934a4d3d3

commit 7142d17e8f

1 changed files with 5 additions and 3 deletions

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kernel/sched.c

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