+ /*Maybe "need_rmaps" or "need_memslot_rmaps"?
+ * If set, the rmap should be allocated for any newly created or
+ * modified memslots. If allocating rmaps lazily, this may be set
+ * before the rmaps are allocated for existing memslots, but
+ * shadow_mmu_active will not be set until after the rmaps are fully
+ * allocated.
+ */
+ bool alloc_memslot_rmaps;