Messages in this thread | | | Subject | Re: [v7 0/8] Reduce cross CPU IPI interference | From | Peter Zijlstra <> | Date | Thu, 26 Jan 2012 16:19:45 +0100 |
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On Thu, 2012-01-26 at 12:01 +0200, Gilad Ben-Yossef wrote: > Gilad Ben-Yossef (8): > smp: introduce a generic on_each_cpu_mask function > arm: move arm over to generic on_each_cpu_mask > tile: move tile to use generic on_each_cpu_mask > smp: add func to IPI cpus based on parameter func > slub: only IPI CPUs that have per cpu obj to flush > fs: only send IPI to invalidate LRU BH when needed > mm: only IPI CPUs to drain local pages if they exist
These patches look very nice!
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
> mm: add vmstat counters for tracking PCP drains > I understood from previous postings this patch wasn't meant for inclusion, if it is, note that cpumask_weight() is a potentially very expensive operation.
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