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In order to reduce the memory footprint we map into memory the initrd using g_mapped_file_new() instead of reading it. In this way we can share the initrd pages between multiple instances of QEMU. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Message-Id: <20190724143105.307042-4-sgarzare@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>