Re: [PATCH v5 6/7] x86/tlb: optimizing flush_tlb_mm

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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


[Index of Archives]     [Linux Kernel]     [Kernel Newbies]     [x86 Platform Driver]     [Netdev]     [Linux Wireless]     [Netfilter]     [Bugtraq]     [Linux Filesystems]     [Yosemite Discussion]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]

  Powered by Linux