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When domain is started with numatune memory mode strict and the nodeset does not include host NUMA node with DMA and DMA32 zones, KVM initialization fails. This is because cgroup restrict even kernel allocations. We are already doing numa_set_membind() which does the same thing, only it does not restrict kernel allocations. This patch leaves the userspace numa_set_membind() in place and moves the cpuset.mems setting after the point where monitor comes up, but before vcpu and emulator sub-groups are created. Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>