Techniques for Creating a Notion of Privileged Data Access in a Unified Virtual Memory System

摘要

Unified virtual memory (UVM) management techniques using page table sharing between user mode and kernel mode GPU address spaces and creating the notion of privileged level of data.

主权项

1. A method comprising:
allocating user mode address space, including creating page-directory and page table mappings associated to a user mode page directory base; and allocating migration channel address space, including reserving a chunk of available user mode address space, disallowing user mode allocation from reserved chunk and creating page directory and page table mappings associated to a migration channel page directory base.