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    SubjectRe: [PATCH v5 6/7] x86/tlb: optimizing flush_tlb_mm
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    On 15 May 2012 19:15, Nick Piggin <npiggin@gmail.com> wrote:
    > So this should go to linux-arch...
    >
    > On 15 May 2012 18:55, Alex Shi <alex.shi@intel.com> wrote:
    >> Not every flush_tlb_mm execution moment is really need to evacuate all
    >> TLB entries, like in munmap, just few 'invlpg' is better for whole
    >> process performance, since it leaves most of TLB entries for later
    >> accessing.

    Did you have microbenchmarks for this like your mprotect numbers,
    by the way? Test munmap numbers and see how that looks. Also,
    does it show up on any macro-benchmarks like specjbb?


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