Multi-level memory management
Abstract:
A multi-level memory management circuit can remap data between near and far memory. In one embodiment, a register array stores near memory addresses and far memory addresses mapped to the near memory addresses. The number of entries in the register array is less than the number of pages in near memory. Remapping logic determines that a far memory address of the requested data is absent from the register array and selects an available near memory address from the register array. Remapping logic also initiates writing of the requested data at the far memory address to the selected near memory address. Remapping logic further writes the far memory address to an entry of the register array corresponding to the selected near memory address.
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