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echo 0 > /sys/kernel/mm/ksm/merge_across_nodes
-bash: echo: write error: Device or resource busy
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cat /sys/kernel/mm/ksm/merge_across_nodes
1
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virsh node-memory-tune --shm-merge-across-nodes 0
error: Unable to change memory parameters
error: failed to set shm_merge_across_nodes: Operation not permitted
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uname -a
Linux XXXXXXXXXXXXXXX 3.10.0-327.28.2.el7.x86_64 #1 SMP Wed Aug 3 11:11:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
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virsh --version
1.2.17
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yum info qemu-kvm | grep Version
Version : 1.5.3