Author: eelco
Date: Tue Sep 13 14:57:18 2011
New Revision: 29238
URL: https://ssl.nixos.org/websvn/nix/?rev=29238&sc=1
Log:
* Enable KSM.
Modified:
configurations/trunk/tud/build-machines-common.nix
Modified: configurations/trunk/tud/build-machines-common.nix
==============================================================================
--- configurations/trunk/tud/build-machines-common.nix Tue Sep 13 13:57:46
2011 (r29237)
+++ configurations/trunk/tud/build-machines-common.nix Tue Sep 13 14:57:18
2011 (r29238)
@@ -48,4 +48,11 @@
chown -R buildfarm.users /home/buildfarm/.ssh
'';
+ jobs.udevtrigger.postStop =
+ ''
+ # Enable Kernel Samepage Merging (reduces memory footprint of
+ # VMs).
+ echo 1 > /sys/kernel/mm/ksm/run
+ '';
+
}
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