Lucian: > Hmm.. It seems KSM is already included, dumb me! > > modinfo ksm > filename: > /lib/modules/2.6.18-172.el5/weak-updates/kmod-kvm/ksm.ko That is good to know. I did not realize it was installed on my system either! Thanks, Neil -- Neil Aggarwal, (281)846-8957, http://www.JAMMConsulting.com CentOS 5.4 KVM VPS $55/mo, no setup fee, no contract, dedicated 64bit CPU 1GB dedicated RAM, 40GB RAID storage, 500GB/mo premium BW, Zero downtime