Messages in this thread | | | Date | Wed, 24 Oct 2018 07:53:19 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 0/7] x86/mm/tlb: make lazy TLB mode even lazier |
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* Rik van Riel <riel@surriel.com> wrote:
> The big thing remaining is the reference count overhead of > the lazy TLB mm_struct, but getting rid of that is rather a > lot of code for a small performance gain. Not quite what > Linus asked for :)
BTW., what would be the plan to improve scalability there, is it even possible?
Also, it would be nice to integrate some of those workloads into a simple 'perf bench mm' or 'perf bench tlb' subcommand, see tools/perf/bench/ on how to add benchmarking modules.
Thanks,
Ingo
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