Are you worried about swap in the guest os? You can configure the swapiness of the OS, if you set it to 10 or something it will only swap when you're out of mem

Are you worried about swap in the guest os? You can configure the swapiness of the OS, if you set it to 10 or something it will only swap when you're out of memory or when an application explicit says it wants swap memory (pretty rare). That can preserve your SSD and prevent your hard crashes.