Definition of memory mapping in English:

memory mapping

noun

  • [mass noun] A technique in which a computer treats peripheral devices as if they were located in the main memory.

    • ‘As far as drivers are concerned, memory mapping can be implemented to provide user programs with direct access to device memory.’
    • ‘IOService provides one device memory–mapping method, mapDeviceMemoryWithIndex, that maps a physical memory range of a device at the given index (passed in the first parameter).’