On 05/15/2012 05:17 PM, Nick Piggin wrote: > 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? Yongjie has tested the patchset and get some positive data on Virtual machine. Yongjie, could you like to share your data? -- 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