qapi: Correct balloon documentation

The documentation incorrectly uses the "size of the balloon"
description when it should be "logical size of the VM". Fix it.

The relation between both values is:

  logical_vm_size = vm_ram_size - balloon_size

Reported-by: David Hildenbrand <david@redhat.com>
Suggested-by: David Hildenbrand <david@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-3-philmd@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
1 file changed