1. Apparatus, comprising: a volatile memory; and a processor configured to execute a first operating system kernel and tag a region of a volatile memory coupled to the processor, to: retrieve, following the boot of the second operating system kernel, a set of parameters referencing the tagged region from the volatile memory, use the tagged region based on the retrieved set of parameters, and tag the volatile memory region by identifying the set of parameters referencing the tagged region, and storing, to the volatile memory, the set of parameters.