From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Nadav Amit <namit@vmware.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
linux-kernel@vger.kernel.org,
Xavier Deguillard <xdeguillard@vmware.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
linux-mm@kvack.org, virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 00/19] vmw_balloon: compaction, shrinker, 64-bit, etc.
Date: Tue, 18 Sep 2018 14:27:29 +0200 [thread overview]
Message-ID: <20180918122729.GA13598@kroah.com> (raw)
In-Reply-To: <20180918063853.198332-1-namit@vmware.com>
On Mon, Sep 17, 2018 at 11:38:34PM -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.
kbuild seems to not like this patch series, so I'm going to drop it from
my queue and wait for a v2 respin before looking at it.
thanks,
greg k-h
next prev parent reply other threads:[~2018-09-18 12:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-18 6:38 Nadav Amit
2018-09-18 6:38 ` [PATCH 14/19] mm/balloon_compaction: suppress allocation warnings Nadav Amit
2018-09-18 6:38 ` [PATCH 15/19] mm/balloon_compaction: list interfaces Nadav Amit
2018-09-18 12:27 ` Greg Kroah-Hartman [this message]
2018-09-18 16:42 ` [PATCH 00/19] vmw_balloon: compaction, shrinker, 64-bit, etc Nadav Amit
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