Messages in this thread | | | Date | Sun, 27 Oct 2013 08:30:08 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH 1/3] percpu: stop the loop when a cpu belongs to a new group |
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On Mon, Oct 21, 2013 at 04:58:11PM +0800, Wei Yang wrote: > When a cpu belongs to a new group, there is no cpu has the same group id. This > means it can be assigned a new group id without checking with every others. > > This patch does this optimiztion.
Does this actually matter? If so, it'd probably make a lot more sense to start inner loop at @cpu + 1 so that it becomes O(N).
Thanks.
-- tejun
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