On 15 May 2012 19:15, Nick Piggin <npiggin@xxxxxxxxx> wrote: > So this should go to linux-arch... > > On 15 May 2012 18:55, Alex Shi <alex.shi@xxxxxxxxx> 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? -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html