* Enable KSM.
svn path=/configurations/trunk/tud/; revision=29238
Eelco Dolstra committed
Sep 13, 2011 at 14:57 UTC
bcdc9e094d955f7ce011952ca68a53e35c548182
1 file changed
+7
build-machines-common.nix
+7
@@ -48,4 +48,11 @@ with pkgs.lib;
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chown -R buildfarm.users /home/buildfarm/.ssh
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'';
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+ jobs.udevtrigger.postStop =
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+ ''
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+ # Enable Kernel Samepage Merging (reduces memory footprint of
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+ # VMs).
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+ echo 1 > /sys/kernel/mm/ksm/run
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+ '';
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+
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}