Messages in this thread | | | From | Wincy Van <> | Date | Sun, 24 Apr 2016 13:46:27 +0800 | Subject | Re: [PATCHv7 00/29] THP-enabled tmpfs/shmem using compound pages |
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On Wed, Apr 20, 2016 at 1:07 AM, Andres Lagar-Cavilla <andreslc@google.com> wrote: > Andrea, we provide the, ahem, adjustments to > transparent_hugepage_adjust. Rest assured we aggressively use mmu > notifiers with no further changes required. > > As in: zero changes have been required in the lifetime (years) of > kvm+huge tmpfs at Google, other than mod'ing > transparent_hugepage_adjust.
We are using kvm + tmpfs to do qemu live upgrading, how does google use this memory model ? I think our pupose to use tmpfs may be the same.
And huge tmpfs is a really good improvement for that.
> > As noted by Paolo, the additions to transparent_hugepage_adjust could > be lifted outside of kvm (into shmem.c? maybe) for any consumer of > huge tmpfs with mmu notifiers. >
Thanks, Wincy
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