linux-kernel - Re: [PATCH v4 0/4] vmw_balloon: Compaction and shrinker support

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Date:   Fri, 17 May 2019 20:10:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Nadav Amit <namit@...are.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Julien Freche <jfreche@...are.com>,
        Pv-drivers <Pv-drivers@...are.com>,
        Jason Wang <jasowang@...hat.com>,
        lkml <linux-kernel@...r.kernel.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        Linux-MM <linux-mm@...ck.org>,
        "Michael S. Tsirkin" <mst@...hat.com>
Subject: Re: [PATCH v4 0/4] vmw_balloon: Compaction and shrinker support

On Fri, May 17, 2019 at 05:57:22PM +0000, Nadav Amit wrote:
> > On May 17, 2019, at 10:24 AM, Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
> > 
> > On Fri, May 17, 2019 at 05:10:23PM +0000, Nadav Amit wrote:
> >>> On May 3, 2019, at 6:25 PM, Nadav Amit <namit@...are.com> wrote:
> >>> 
> >>>> On Apr 25, 2019, at 4:54 AM, Nadav Amit <namit@...are.com> wrote:
> >>>> 
> >>>> VMware balloon enhancements: adding support for memory compaction,
> >>>> memory shrinker (to prevent OOM) and splitting of refused pages to
> >>>> prevent recurring inflations.
> >>>> 
> >>>> Patches 1-2: Support for compaction
> >>>> Patch 3: Support for memory shrinker - disabled by default
> >>>> Patch 4: Split refused pages to improve performance
> >>>> 
> >>>> v3->v4:
> >>>> * "get around to" comment [Michael]
> >>>> * Put list_add under page lock [Michael]
> >>>> 
> >>>> v2->v3:
> >>>> * Fixing wrong argument type (int->size_t) [Michael]
> >>>> * Fixing a comment (it) [Michael]
> >>>> * Reinstating the BUG_ON() when page is locked [Michael] 
> >>>> 
> >>>> v1->v2:
> >>>> * Return number of pages in list enqueue/dequeue interfaces [Michael]
> >>>> * Removed first two patches which were already merged
> >>>> 
> >>>> Nadav Amit (4):
> >>>> mm/balloon_compaction: List interfaces
> >>>> vmw_balloon: Compaction support
> >>>> vmw_balloon: Add memory shrinker
> >>>> vmw_balloon: Split refused pages
> >>>> 
> >>>> drivers/misc/Kconfig               |   1 +
> >>>> drivers/misc/vmw_balloon.c         | 489 ++++++++++++++++++++++++++---
> >>>> include/linux/balloon_compaction.h |   4 +
> >>>> mm/balloon_compaction.c            | 144 ++++++---
> >>>> 4 files changed, 553 insertions(+), 85 deletions(-)
> >>>> 
> >>>> -- 
> >>>> 2.19.1
> >>> 
> >>> Ping.
> >> 
> >> Ping.
> >> 
> >> Greg, did it got lost again?
> > 
> > 
> > I thought you needed the mm developers to ack the first patch, did that
> > ever happen?
> 
> Yes. You will see Michael Tsirkin’s “Acked-by" on it.

Ah, missed that, thanks.  Will queue this up after the -rc1 release is
out, can't do anything until then.

greg k-h