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@xxxxxxxx>, gregkh@xxxxxxxxxxxxxxxxxxx > > Cc: Xavier Deguillard <xdeguillard@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx>, Nadav Amit <namit@xxxxxxxxxx>, Michael S. Tsirkin <mst@xxxxxxxxxx>, Jason Wang <jasowang@xxxxxxxxxx>, linux-mm@xxxxxxxxx>, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx > > 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
