[Xen-changelog] [xen-unstable] xend: Don't allow dom0 memory to be ballooned below dom0-min-mem

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# 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)
 

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog