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Added support for memory ballooning provided by qemux/qemu image

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This commit is contained in:
Luca De Petrillo 2026-04-19 14:35:20 +02:00
parent 4d01a81586
commit 958b50852d
41 changed files with 291 additions and 0 deletions
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5
assets/win10x64-enterprise-eval.xml
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@ -246,6 +246,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>26</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win10x64-enterprise.xml
View file

@ -249,6 +249,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>26</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win10x64-iot.xml
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@ -255,6 +255,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>26</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win10x64-ltsc.xml
View file

@ -252,6 +252,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>26</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win10x64.xml
View file

@ -249,6 +249,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>26</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win11x64-enterprise-eval.xml
View file

@ -269,6 +269,11 @@
<Path>pnputil -i -a C:\Windows\Drivers\viogpudo\viogpudo.inf</Path>
<Description>Install VirtIO display driver</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>27</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win11x64-enterprise.xml
View file

@ -272,6 +272,11 @@
<Path>pnputil -i -a C:\Windows\Drivers\viogpudo\viogpudo.inf</Path>
<Description>Install VirtIO display driver</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>27</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win11x64-iot.xml
View file

@ -272,6 +272,11 @@
<Path>pnputil -i -a C:\Windows\Drivers\viogpudo\viogpudo.inf</Path>
<Description>Install VirtIO display driver</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>27</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win11x64-ltsc.xml
View file

@ -272,6 +272,11 @@
<Path>pnputil -i -a C:\Windows\Drivers\viogpudo\viogpudo.inf</Path>
<Description>Install VirtIO display driver</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>27</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win11x64.xml
View file

@ -272,6 +272,11 @@
<Path>pnputil -i -a C:\Windows\Drivers\viogpudo\viogpudo.inf</Path>
<Description>Install VirtIO display driver</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>27</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/win2008r2-eval.xml
View file

@ -154,6 +154,15 @@
</FirewallGroup>
</FirewallGroups>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/win2008r2.xml
View file

@ -157,6 +157,15 @@
</FirewallGroup>
</FirewallGroups>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2012r2-eval.xml
View file

@ -155,6 +155,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2012r2.xml
View file

@ -158,6 +158,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2016-eval.xml
View file

@ -155,6 +155,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2016.xml
View file

@ -158,6 +158,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2019-eval.xml
View file

@ -159,6 +159,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2019-hv.xml
View file

@ -164,6 +164,11 @@
<Path>dism.exe /online /Disable-Feature /FeatureName:Microsoft-Hyper-V /NoRestart</Path>
<Description>Disable Hyper-V role</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>3</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2019.xml
View file

@ -162,6 +162,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2022-eval.xml
View file

@ -159,6 +159,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2022.xml
View file

@ -162,6 +162,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2025-eval.xml
View file

@ -164,6 +164,11 @@
<Path>pnputil -i -a C:\Windows\Drivers\viogpudo\viogpudo.inf</Path>
<Description>Install VirtIO display driver</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>4</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win2025.xml
View file

@ -167,6 +167,11 @@
<Path>pnputil -i -a C:\Windows\Drivers\viogpudo\viogpudo.inf</Path>
<Description>Install VirtIO display driver</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>4</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/win7x64-enterprise-eval.xml
View file

@ -148,6 +148,15 @@
</FirewallGroup>
</FirewallGroups>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/win7x64-enterprise.xml
View file

@ -152,6 +152,15 @@
</FirewallGroup>
</FirewallGroups>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/win7x64-ultimate.xml
View file

@ -152,6 +152,15 @@
</FirewallGroup>
</FirewallGroups>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/win7x64.xml
View file

@ -152,6 +152,15 @@
</FirewallGroup>
</FirewallGroups>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/win7x86-enterprise.xml
View file

@ -152,6 +152,15 @@
</FirewallGroup>
</FirewallGroups>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/win7x86-ultimate.xml
View file

@ -152,6 +152,15 @@
</FirewallGroup>
</FirewallGroups>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/win7x86.xml
View file

@ -152,6 +152,15 @@
</FirewallGroup>
</FirewallGroups>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win81x64-enterprise-eval.xml
View file

@ -146,6 +146,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win81x64-enterprise.xml
View file

@ -149,6 +149,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

5
assets/win81x64.xml
View file

@ -156,6 +156,11 @@
<Path>reg.exe add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\FirstNetwork" /v Category /t REG_DWORD /d 1 /f</Path>
<Description>Set Network Location to Home</Description>
</RunSynchronousCommand>
<RunSynchronousCommand wcm:action="add">
<Order>2</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/winvistax64-enterprise.xml
View file

@ -90,6 +90,15 @@
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<fDenyTSConnections>false</fDenyTSConnections>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-International-Core" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/winvistax64-ultimate.xml
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@ -90,6 +90,15 @@
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<fDenyTSConnections>false</fDenyTSConnections>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-International-Core" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/winvistax64.xml
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@ -90,6 +90,15 @@
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<fDenyTSConnections>false</fDenyTSConnections>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-International-Core" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/winvistax86-enterprise.xml
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@ -90,6 +90,15 @@
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<fDenyTSConnections>false</fDenyTSConnections>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-International-Core" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/winvistax86-ultimate.xml
View file

@ -90,6 +90,15 @@
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<fDenyTSConnections>false</fDenyTSConnections>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-International-Core" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

9
assets/winvistax86.xml
View file

@ -90,6 +90,15 @@
<component name="Microsoft-Windows-TerminalServices-LocalSessionManager" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<fDenyTSConnections>false</fDenyTSConnections>
</component>
<component name="Microsoft-Windows-Deployment" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
<RunSynchronous>
<RunSynchronousCommand wcm:action="add">
<Order>1</Order>
<Path>C:\Windows\Drivers\Balloon\blnsvr.exe -i</Path>
<Description>Install VirtIO Balloon service</Description>
</RunSynchronousCommand>
</RunSynchronous>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-International-Core" processorArchitecture="x86" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">

35
readme.md
View file

@ -170,6 +170,41 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
CPU_CORES: "4"
```
### How do I enable dynamic memory allocation?
By default, the VM is allocated the full amount of RAM configured via `RAM_SIZE` for its entire lifetime.
If you want the container to dynamically reclaim unused guest RAM based on host memory pressure, you can enable memory ballooning:
```yaml
environment:
BALLOONING: "Y"
```
This requires the VirtIO Balloon service to be installed in the guest. For all supported Windows versions, this happens automatically during unattended installation. If you are using a manual installation or an existing guest that was installed before this feature was added, you need to install it manually by running the following command inside the VM:
```bat
C:\Windows\Drivers\Balloon\blnsvr.exe -i
```
The following optional variables allow you to tune the ballooning behaviour:
| **Variable** | **Default** | **Description** |
|---|---|---|
| `BALLOONING` | _(off)_ | Set to `Y` to enable dynamic memory ballooning |
| `BALLOONING_MIN_MEM` | `33%` | Minimum balloon target, as a percentage of guest max memory (e.g. `33%`) or absolute size (e.g. `2G`) |
| `BALLOONING_RAM_THRESHOLD`| `80.0` | Target host RAM usage percentage; the PI controller aims to keep host usage at or below this value |
| `BALLOONING_RAM_THRESHOLD_HARD`| `90.0` | Host RAM usage percentage above which the balloon target may drop below guest RAM usage, inducing guest memory pressure |
| `BALLOONING_PSI_PRESSURE` | `10.0` | Host PSI `avg10` stall percentage at which the PSI ceiling begins to lower the balloon target |
| `BALLOONING_PSI_PRESSURE_MAX` | `50.0` | Host PSI `avg10` stall percentage at which the PSI ceiling reaches the configured minimum balloon target |
| `BALLOONING_HYSTERESIS` | `128M` | Minimum balloon target change required before a resize is applied, as a percentage (e.g. `2%`) or absolute size (e.g. `256M`) |
| `BALLOONING_KP` | `0.5` | PI controller proportional gain; higher values react faster but may oscillate |
| `BALLOONING_KI` | `0.05` | PI controller integral gain; higher values correct steady-state error faster but risk overshoot |
| `BALLOONING_INTERVAL` | `5` | Polling interval in seconds |
> [!NOTE]
> Memory ballooning uses Linux PSI (`/proc/pressure/memory`) for progressive pressure detection. Between `BALLOONING_PSI_PRESSURE` and `BALLOONING_PSI_PRESSURE_MAX` the PSI ceiling linearly lowers the maximum balloon target from guest max memory down to the configured minimum. If PSI is unavailable (kernel lacks `CONFIG_PSI`), both thresholds are silently skipped and ballooning continues using host memory usage alone.
### How do I configure the username and password?
By default, a user called `Docker` is created and its password is `admin`.

1
src/entry.sh
View file

@ -24,6 +24,7 @@ cd /run
. power.sh # Configure shutdown
. memory.sh # Check available memory
. config.sh # Configure arguments
. ballooning.sh # Initialize ballooning
. finish.sh # Finish initialization
trap - ERR