From: Dan Magenheimer <dan.magenheimer@oracle.com>
To: "K. Y. Srinivasan" <kys@microsoft.com>,
gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com,
andi@firstfloor.org, akpm@linux-foundation.org,
linux-mm@kvack.org, kamezawa.hiroyuki@gmail.com, mhocko@suse.cz,
hannes@cmpxchg.org, yinghan@google.com,
dan.magenheimer@oracle.com, konrad.wilk@oracle.com
Subject: RE: [PATCH 1/1] mm: Export a function to get vm committed memory
Date: Tue, 13 Nov 2012 07:45:39 -0800 (PST) [thread overview]
Message-ID: <05faaa76-24af-42a5-9619-a627e3411f1a@default> (raw)
In-Reply-To: <<1352818957-9229-1-git-send-email-kys@microsoft.com>>
> From: K. Y. Srinivasan [mailto:kys@microsoft.com]
> Sent: Tuesday, November 13, 2012 8:03 AM
> To: gregkh@linuxfoundation.org; linux-kernel@vger.kernel.org; devel@linuxdriverproject.org;
> olaf@aepfle.de; apw@canonical.com; andi@firstfloor.org; akpm@linux-foundation.org; linux-mm@kvack.org;
> kamezawa.hiroyuki@gmail.com; mhocko@suse.cz; hannes@cmpxchg.org; yinghan@google.com;
> dan.magenheimer@oracle.com; konrad.wilk@oracle.com
> Cc: K. Y. Srinivasan
> Subject: [PATCH 1/1] mm: Export a function to get vm committed memory
>
> It will be useful to be able to access global memory commitment from device
> drivers. On the Hyper-V platform, the host has a policy engine to balance
> the available physical memory amongst all competing virtual machines
> hosted on a given node. This policy engine is driven by a number of metrics
> including the memory commitment reported by the guests. The balloon driver
> for Linux on Hyper-V will use this function to retrieve guest memory commitment.
> This function is also used in Xen self ballooning code.
>
> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
The patch to the Xen selfballoon driver is unnecessary, but is
one step in the direction of module support for this driver so
I am fine whether the patch is included here or not.
Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
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next parent reply other threads:[~2012-11-13 15:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <<1352818957-9229-1-git-send-email-kys@microsoft.com>
2012-11-13 15:45 ` Dan Magenheimer [this message]
2012-11-13 15:02 [PATCH 1/1] mm: Export a function to get vm committed memory K. Y. Srinivasan
2012-11-13 21:07 ` David Rientjes
2012-11-27 21:12 ` Konrad Rzeszutek Wilk
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