From: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
To: Nadav Amit <namit@vmware.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
Xavier Deguillard <xdeguillard@vmware.com>,
LKML <linux-kernel@vger.kernel.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"virtualization@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>
Subject: Re: [PATCH v3 00/20] vmw_balloon: compaction, shrinker, 64-bit, etc.
Date: Tue, 30 Oct 2018 18:05:43 +0100 [thread overview]
Message-ID: <20181030170543.GA24012@kroah.com> (raw)
In-Reply-To: <0AC59738-06A0-43DC-8622-D4177FDDC1F3@vmware.com>
On Tue, Oct 30, 2018 at 04:52:55PM +0000, Nadav Amit wrote:
> From: gregkh@linuxfoundation.org
> Sent: October 30, 2018 at 4:51:19 PM GMT
> > To: Nadav Amit <namit@vmware.com>
> > Cc: Arnd Bergmann <arnd@arndb.de>, Xavier Deguillard <xdeguillard@vmware.com>, LKML <linux-kernel@vger.kernel.org>, Michael S. Tsirkin <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, linux-mm@kvack.org <linux-mm@kvack.org>, virtualization@lists.linux-foundation.org <virtualization@lists.linux-foundation.org>
> > Subject: Re: [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
>
> You regarded the magic-number in v2, which I fixed for v3.
>
> Should I resend?
Please do, but note that I will not be reviewing anything until after
4.20-rc1 is out.
thanks,
greg k-h
prev parent reply other threads:[~2018-10-30 17:05 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-26 19:13 [PATCH v3 00/20] vmw_balloon: compaction, shrinker, 64-bit, etc Nadav Amit
2018-09-26 19:13 ` [PATCH v3 01/20] vmw_balloon: handle commands in a single function Nadav Amit
2018-09-26 19:13 ` [PATCH v3 02/20] vmw_balloon: unify commands tracing and stats Nadav Amit
2018-09-26 19:13 ` [PATCH v3 03/20] vmw_balloon: merge send_lock and send_unlock path Nadav Amit
2018-09-26 19:13 ` [PATCH v3 04/20] vmw_balloon: simplifying batch access Nadav Amit
2018-09-26 19:13 ` [PATCH v3 05/20] vmw_balloon: remove sleeping allocations Nadav Amit
2018-09-26 19:13 ` [PATCH v3 06/20] vmw_balloon: change batch/single lock abstractions Nadav Amit
2018-09-26 19:13 ` [PATCH v3 07/20] vmw_balloon: treat all refused pages equally Nadav Amit
2018-09-26 19:13 ` [PATCH v3 08/20] vmw_balloon: rename VMW_BALLOON_2M_SHIFT to VMW_BALLOON_2M_ORDER Nadav Amit
2018-09-26 19:13 ` [PATCH v3 09/20] vmw_balloon: refactor change size from vmballoon_work Nadav Amit
2018-09-26 19:13 ` [PATCH v3 10/20] vmw_balloon: simplify vmballoon_send_get_target() Nadav Amit
2018-09-26 19:13 ` [PATCH v3 11/20] vmw_balloon: stats rework Nadav Amit
2018-09-26 19:13 ` [PATCH v3 12/20] vmw_balloon: rework the inflate and deflate loops Nadav Amit
2018-09-26 19:13 ` [PATCH v3 13/20] vmw_balloon: general style cleanup Nadav Amit
2018-09-26 19:13 ` [PATCH v3 14/20] vmw_balloon: add reset stat Nadav Amit
2018-09-26 19:13 ` [PATCH v3 15/20] mm/balloon_compaction: suppress allocation warnings Nadav Amit
2018-09-26 19:13 ` [PATCH v3 16/20] mm/balloon_compaction: list interfaces Nadav Amit
2018-09-28 19:48 ` Nadav Amit
2018-10-17 2:42 ` Nadav Amit
2018-09-26 19:13 ` [PATCH v3 17/20] vmw_balloon: compaction support Nadav Amit
2018-09-26 19:13 ` [PATCH v3 18/20] vmw_balloon: support 64-bit memory limit Nadav Amit
2018-09-26 19:13 ` [PATCH v3 19/20] vmw_balloon: memory shrinker Nadav Amit
2018-09-26 19:13 ` [PATCH v3 20/20] vmw_balloon: split refused pages Nadav Amit
2018-10-30 16:32 ` [PATCH v3 00/20] vmw_balloon: compaction, shrinker, 64-bit, etc Nadav Amit
2018-10-30 16:51 ` gregkh
2018-10-30 16:52 ` Nadav Amit
2018-10-30 17:05 ` gregkh [this message]
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