Module memory

Memory management. Including the page-memory model and the TLB related handlers. A global allocator will be provided as well.

Modules

• buddy_allocator
  Global allocator use the buddy system.
• marcos
  Definitions of the conversion macros for the pages and memory.
• pmap
  The page-memory manager model of MOS. Core functions are provided here.
• regions
  Definitions about the memory / page and conventions. Include some helper functions to do the conversion.
• shared_pool
  Support the shared momeory pool. We can share more than one pages between envs.
• tlbex