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

[Nadav Amit <namit@vmware.com>]

> On Apr 25, 2019, at 4:54 AM, Nadav Amit <namit@vmware.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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