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[Xen-changelog] [xen-unstable] xend: Don't allow dom0 memory to be ballo
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| Subject: | [Xen-changelog] [xen-unstable] xend: Don't allow dom0 memory to be ballooned below dom0-min-mem |
| From: | Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx> |
| Date: | Tue, 08 Apr 2008 02:01:49 -0700 |
| Delivery-date: | Tue, 08 Apr 2008 02:06:09 -0700 |
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1207430730 -3600
# Node ID e8f058b99171429611a74df358d85246121be228
# Parent 61a3e041ea12eae7102c4a90f409a6a42edae79b
xend: Don't allow dom0 memory to be ballooned below dom0-min-mem
configuration parameter.
Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
---
tools/python/xen/xend/XendDomainInfo.py | 7 +++++++
1 files changed, 7 insertions(+)
diff -r 61a3e041ea12 -r e8f058b99171 tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Sat Apr 05 22:21:42 2008 +0100
+++ b/tools/python/xen/xend/XendDomainInfo.py Sat Apr 05 22:25:30 2008 +0100
@@ -986,6 +986,13 @@ class XendDomainInfo:
self.info['name_label'], str(self.domid), target)
MiB = 1024 * 1024
+
+ if self.domid == 0:
+ dom0_min_mem = xoptions.get_dom0_min_mem()
+ memory_cur = self.get_memory_dynamic_max() / MiB
+ if target < memory_cur and dom0_min_mem > target:
+ raise XendError("memory_dynamic_max too small")
+
self._safe_set_memory('memory_dynamic_min', target * MiB)
self._safe_set_memory('memory_dynamic_max', target * MiB)
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