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

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Message-ID: <8A2D1D43-759A-4B09-B781-31E9002AE3DA@vmware.com>
Date:   Sat, 4 May 2019 01:25:24 +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 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

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