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    SubjectRe: [PATCH v3 00/20] vmw_balloon: compaction, shrinker, 64-bit, etc.
    On Tue, Oct 30, 2018 at 04:32:22PM +0000, Nadav Amit wrote:
    > From: Nadav Amit
    > Sent: September 26, 2018 at 7:13:16 PM GMT
    > > To: Arnd Bergmann <arnd@arndb.de>, gregkh@linuxfoundation.org
    > > Cc: Xavier Deguillard <xdeguillard@vmware.com>, linux-kernel@vger.kernel.org>, Nadav Amit <namit@vmware.com>, Michael S. Tsirkin <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, linux-mm@kvack.org>, virtualization@lists.linux-foundation.org
    > > Subject: [PATCH v3 00/20] vmw_balloon: compaction, shrinker, 64-bit, etc.
    > >
    > >
    > > This patch-set adds the following enhancements to the VMware balloon
    > > driver:
    > >
    > > 1. Balloon compaction support.
    > > 2. Report the number of inflated/deflated ballooned pages through vmstat.
    > > 3. Memory shrinker to avoid balloon over-inflation (and OOM).
    > > 4. Support VMs with memory limit that is greater than 16TB.
    > > 5. Faster and more aggressive inflation.
    > >
    > > To support compaction we wish to use the existing infrastructure.
    > > However, we need to make slight adaptions for it. We add a new list
    > > interface to balloon-compaction, which is more generic and efficient,
    > > since it does not require as many IRQ save/restore operations. We leave
    > > the old interface that is used by the virtio balloon.
    > >
    > > Big parts of this patch-set are cleanup and documentation. Patches 1-13
    > > simplify the balloon code, document its behavior and allow the balloon
    > > code to run concurrently. The support for concurrency is required for
    > > compaction and the shrinker interface.
    > >
    > > For documentation we use the kernel-doc format. We are aware that the
    > > balloon interface is not public, but following the kernel-doc format may
    > > be useful one day.
    > >
    > > v2->v3: * Moving the balloon magic-number out of uapi (Greg)
    > >
    > > v1->v2: * Fix build error when THP is off (kbuild)
    > > * Fix build error on i386 (kbuild)
    > >
    >
    > Greg,
    >
    > I realize you didn’t apply patches 17-20. Any reason for that?

    I have no idea, that was a few thousand patches reviewed ago...

    Did I not say anything about this when I applied them?

    greg k-h

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