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Date:   Thu, 6 Feb 2020 06:26:35 -0500
From:   "Michael S. Tsirkin" <mst@redhat.com>
To:     "Wang, Wei W" <wei.w.wang@intel.com>
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Subject: Re: [PATCH RFC] virtio_balloon: conservative balloon page shrinking
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On Thu, Feb 06, 2020 at 09:43:10AM +0000, Wang, Wei W wrote:
> On Thursday, February 6, 2020 5:31 PM, Michael S. Tsirkin wrote:
> > 
> > How about just making this a last resort thing to be compatible with existing
> > hypervisors? if someone wants to change behaviour that really should use a
> > feature bit ...
> 
> Yeah, sounds good to me to control via feature bits.
> 
> Best,
> Wei

To clarify, shrinker use could be a feature bit. OOM behaviour was
there for years and has been used to dynamically size guests.

-- 
MST