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From: Wei Liu <wei.liu@kernel.org>
To: Sunil Muthuswamy <sunilmut@microsoft.com>
Cc: Matheus Castello <matheus@castello.eng.br>,
	"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Wei Liu <liuwe@microsoft.com>,
	Michael Kelley <mikelley@microsoft.com>,
	Tianyu Lan <Tianyu.Lan@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>, vkuznets <vkuznets@redhat.com>,
	KY Srinivasan <kys@microsoft.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3] x86/Hyper-V: Support for free page reporting
Date: Tue, 26 Jan 2021 17:11:21 +0000	[thread overview]
Message-ID: <20210126171121.ujxojhmkjhuilry6@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <SN4PR2101MB0880CA1C933184498DF1F595C0D09@SN4PR2101MB0880.namprd21.prod.outlook.com>

On Wed, Jan 06, 2021 at 11:20:33PM +0000, Sunil Muthuswamy wrote:
> Linux has support for free page reporting now (36e66c554b5c) for
> virtualized environment. On Hyper-V when virtually backed VMs are
> configured, Hyper-V will advertise cold memory discard capability,
> when supported. This patch adds the support to hook into the free
> page reporting infrastructure and leverage the Hyper-V cold memory
> discard hint hypercall to report/free these pages back to the host.
> 
> Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com>
> Tested-by: Matheus Castello <matheus@castello.eng.br>

Reviewed-by: Wei Liu <wei.liu@kernel.org>

  reply	other threads:[~2021-01-26 22:57 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-06 23:20 [PATCH v3] x86/Hyper-V: Support for free page reporting Sunil Muthuswamy
2021-01-26 17:11 ` Wei Liu [this message]
2021-02-04 23:35 ` Michael Kelley
2021-02-05 14:56   ` Michael Kelley
2021-03-17 20:30   ` Sunil Muthuswamy

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