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https://bugzilla.redhat.com/show_bug.cgi?id=1226234#c3 If the qemu monitor fails to remove the memory from the guest for any reason, the auditlog message will incorrectly use the current actual memory (via virDomainDefGetMemoryActual) instead of the value we were attempting to reduce to. The result is the 'new-mem' and 'old-mem' values for the auditlog message would be identical. This patch creates a local 'newmem' which accounts for the current memory size minus the memory which is being removed. NB, for the success case this results in the same value that would be returned by virDomainDefGetMemoryActual without the need to do the math. This follows the existing code which would subtract the size for cur_balloon. Signed-off-by: Luyao Huang <lhuang@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>