Re: [PATCH] Add a page cache-backed balloon device driver.

From: Rik van Riel
Date: Mon Sep 10 2012 - 14:04:08 EST


On 09/10/2012 01:37 PM, Mike Waychison wrote:
On Mon, Sep 10, 2012 at 5:05 AM, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:

Also can you pls answer Avi's question?
How is overcommit managed?

Overcommit in our deployments is managed using memory cgroups on the
host. This allows us to have very directed policies as to how
competing VMs on a host may overcommit.

How do your memory cgroups lead to guests inflating their balloons?

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