From 3d836750238cde8c63ceb8d3ae94d5cd2b78cea7 Mon Sep 17 00:00:00 2001
From: Guido Trotter <ultrotter@google.com>
Date: Thu, 8 Dec 2011 13:32:09 +0000
Subject: [PATCH] Implement memory ballooning in kvm
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Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: RenΓ© Nussbaumer <rn@google.com>
---
lib/hypervisor/hv_kvm.py | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/lib/hypervisor/hv_kvm.py b/lib/hypervisor/hv_kvm.py
index 65a279091..4cec09a77 100644
--- a/lib/hypervisor/hv_kvm.py
+++ b/lib/hypervisor/hv_kvm.py
@@ -1756,6 +1756,17 @@ class KVMHypervisor(hv_base.BaseHypervisor):
return objects.MigrationStatus(status=constants.HV_MIGRATION_FAILED,
info="Too many 'info migrate' broken answers")
+ def BalloonInstanceMemory(self, instance, mem):
+ """Balloon an instance memory to a certain value.
+
+ @type instance: L{objects.Instance}
+ @param instance: instance to be accepted
+ @type mem: int
+ @param mem: actual memory size to use for instance runtime
+
+ """
+ self._CallMonitorCommand(instance.name, "balloon %d" % mem)
+
def GetNodeInfo(self):
"""Return information about the node.
--
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