From ea58a5e299f0b47cf56148dd7fc98b7b3a56e89a Mon Sep 17 00:00:00 2001
From: Rafal Wojtczuk <rafal@invisiblethingslab.com>
Date: Mon, 30 Aug 2010 11:40:19 +0200
Subject: [PATCH] Memory management across VMs, first release

---
 appvm/qubes_core         | 1 +
 common/meminfo-writer    | 4 ++++
 rpm_spec/core-appvm.spec | 2 ++
 3 files changed, 7 insertions(+)
 create mode 100755 common/meminfo-writer

diff --git a/appvm/qubes_core b/appvm/qubes_core
index c8dd150..c291ec7 100755
--- a/appvm/qubes_core
+++ b/appvm/qubes_core
@@ -87,6 +87,7 @@ start()
         fi
 	fi
 
+	/usr/lib/qubes/meminfo-writer &
 	[ -x /rw/config/rc.local ] && /rw/config/rc.local
 	success
 	echo ""
diff --git a/common/meminfo-writer b/common/meminfo-writer
new file mode 100755
index 0000000..fdbfd29
--- /dev/null
+++ b/common/meminfo-writer
@@ -0,0 +1,4 @@
+#!/bin/sh
+while sleep 1 ; do
+	xenstore-write memory/meminfo "`cat /proc/meminfo`"
+done
diff --git a/rpm_spec/core-appvm.spec b/rpm_spec/core-appvm.spec
index a4444f0..2949a05 100644
--- a/rpm_spec/core-appvm.spec
+++ b/rpm_spec/core-appvm.spec
@@ -65,6 +65,7 @@ cp qubes_timestamp qvm-copy-to-vm qvm-open-in-dvm $RPM_BUILD_ROOT/usr/bin
 mkdir -p $RPM_BUILD_ROOT/usr/lib/qubes
 cp qubes_add_pendrive_script qubes_penctl qvm-copy-to-vm.kde $RPM_BUILD_ROOT/usr/lib/qubes
 ln -s /usr/bin/qvm-open-in-dvm $RPM_BUILD_ROOT/usr/lib/qubes/qvm-dvm-transfer 
+cp ../common/meminfo-writer $RPM_BUILD_ROOT/usr/lib/qubes
 mkdir -p $RPM_BUILD_ROOT/%{kde_service_dir}
 cp qvm-copy.desktop qvm-dvm.desktop $RPM_BUILD_ROOT/%{kde_service_dir}
 mkdir -p $RPM_BUILD_ROOT/etc/udev/rules.d
@@ -187,6 +188,7 @@ rm -rf $RPM_BUILD_ROOT
 /usr/lib/qubes/qvm-copy-to-vm.kde
 %attr(4755,root,root) /usr/bin/qvm-open-in-dvm
 /usr/lib/qubes/qvm-dvm-transfer
+/usr/lib/qubes/meminfo-writer
 %{kde_service_dir}/qvm-copy.desktop
 %{kde_service_dir}/qvm-dvm.desktop
 %attr(4755,root,root) /usr/lib/qubes/qubes_penctl