On Thu, Sep 20, 2018 at 10:30:06AM -0700, Nadav Amit wrote: > 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. I applied the first 16 patches. Please fix up 17 and resend. thanks, greg k-h
