Each range list entry representing storage for an IDENTIFY or UNIDENTIFY request must:

• Specify a number of pages that is a multiple of 256
• Specify an address that begins on a segment boundary
• Specify storage that previously has been obtained
• Specify storage that is pageable and private
• Specify storage that is owned by the task that previously invoked IARSUBSP IDENTIFY, or by a task that is higher in the task hierarchy.