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From:   "Michael Kelley (LINUX)" <mikelley@microsoft.com>
To:     Alexander Atanasov <alexander.atanasov@virtuozzo.com>,
        KY Srinivasan <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>
CC:     "kernel@openvz.org" <kernel@openvz.org>,
        "linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v3 1/1] Create debugfs file with hyper-v balloon usage
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Thread-Topic: [PATCH v3 1/1] Create debugfs file with hyper-v balloon usage
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Thread-Index: AQHYlVK9mP9UMt9phU6FgKvzfTQela167G3A
Date:   Tue, 12 Jul 2022 16:24:12 +0000
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From: Alexander Atanasov <alexander.atanasov@virtuozzo.com> Sent: Monday, J=
uly 11, 2022 11:18 AM
>=20
> Allow the guest to know how much it is ballooned by the host.
> It is useful when debugging out of memory conditions.
>=20
> When host gets back memory from the guest it is accounted
> as used memory in the guest but the guest have no way to know
> how much it is actually ballooned.
>=20
> Expose current state, flags and max possible memory to the guest.
> While at it - fix a 10+ years old typo.
>=20
> Signed-off-by: Alexander Atanasov <alexander.atanasov@virtuozzo.com>
> ---
>  drivers/hv/hv_balloon.c | 135 ++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 129 insertions(+), 6 deletions(-)
>=20
> V1->V2:
>  - Fix C&P errors
> V2->V3:
>  - Move computation to a separate funcion
>  - Remove ifdefs to reduce code clutter
>=20
> This patch addresses your suggestions. Once again, sorry i have missed
> your email reply last time.
>=20

Reviewed-by: Michael Kelley <mikelley@microsoft.com>