Patent ID: 11893237
Assignee: KIOXIA CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. A method of controlling a nonvolatile memory in a memory system, the nonvolatile memory including a plurality of blocks, each of the plurality of blocks being a unit for an erase operation, the plurality of blocks including a plurality of first blocks, no valid data being stored in each of the plurality of first blocks, the valid data being data which is stored in a block and of which a logical address designated by a host is managed in the memory system to be associated with an identifier of the block, said method comprising:
selecting a second block from the plurality of first blocks, the number of erase operations performed on the second block being smallest among the numbers of erase operations performed on the plurality of first blocks; and
writing first data to the selected second block, the first data being data that is received through an interface and has not been stored in the nonvolatile memory.