Messages in this thread | | | Date | Tue, 13 Nov 2012 07:45:39 -0800 (PST) | From | Dan Magenheimer <> | Subject | RE: [PATCH 1/1] mm: Export a function to get vm committed memory |
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> 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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