linux-kernel - RE: [PATCH RFC] virtio_balloon: conservative balloon page shrinking

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Message-ID: <286AC319A985734F985F78AFA26841F73E42395B@shsmsx102.ccr.corp.intel.com>
Date:   Thu, 6 Feb 2020 09:43:10 +0000
From:   "Wang, Wei W" <wei.w.wang@...el.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "tysand@...gle.com" <tysand@...gle.com>,
        "david@...hat.com" <david@...hat.com>,
        "alexander.h.duyck@...ux.intel.com" 
        <alexander.h.duyck@...ux.intel.com>,
        "rientjes@...gle.com" <rientjes@...gle.com>,
        "mhocko@...nel.org" <mhocko@...nel.org>,
        "namit@...are.com" <namit@...are.com>,
        "penguin-kernel@...ove.sakura.ne.jp" 
        <penguin-kernel@...ove.sakura.ne.jp>
Subject: RE: [PATCH RFC] virtio_balloon: conservative balloon page shrinking

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