Extract RamDiscardManager and RamDiscardSource from system/memory.c into
dedicated a unit.
This reduces coupling and allows code that only needs the
RamDiscardManager interface to avoid pulling in all of memory.h
dependencies.
rust-sys bindings are no longer generated for RamDiscardSourceClass at
this point, thus we drop the unneeded InterfaceClass use.
Reviewed-by: Peter Xu <peterx@redhat.com>
Acked-by: David Hildenbrand <david@kernel.org>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260604-rdm5-v5-2-5768e6a0943d@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
d444e348b1