Crate axmem

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Expand description

The memory management module, which implements the memory space management of the process.

Structs

  • MapArea
    A continuous virtual area in user memory.
  • MemBackend
    File backend for Lazy load MapArea. file should be a file holding a offset value. Normally, MemBackend won’t share a file with other things, so we use a Box here.
  • MemorySet
    PageTable + MemoryArea for a process (task)

Statics

  • KEY_TO_SHMID
    The map from key to shmid. It’s used to query shmid from key.
  • SHARED_MEMS
    This struct only hold SharedMem that are not IPC_PRIVATE. IPC_PRIVATE SharedMem will be stored in MemorySet::detached_mem.