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7ed47d16dd
libxl uses some xenstore entries for hints in memory management (especially when starting new domain). This includes dom0 memory limit and Xen free memory margin, based on current system state. Entries are created at first function usage, so force such call at daemon startup, which most likely will be before any domain startup. Also prevent automatic memory management if dom0_mem= option passed to xen hypervisor - it is known to be incompatible with autoballoon. Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.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>