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

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Date:   Fri, 17 May 2019 17:57:22 +0000
From:   Nadav Amit <namit@...are.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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 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.