| 摘要 |
According to one embodiment, a memory system includes a nonvolatile storage device and an information processing apparatus. The information processing apparatus includes a first control circuit configured to send a delete notification to the nonvolatile storage device to invalidate data in a first logical address area when read data corresponding to the first logical address area is the same as data expressed by a first function. The nonvolatile storage device include a nonvolatile storage medium, a management table configured to associate a logical address corresponding to valid data for the nonvolatile storage device with a physical address, and a second control circuit configured to update the management table to invalidate a logical address designated by the delete notification, and to send the data expressed by the first function to the information processing apparatus when a logical address included in a read instruction received from the information processing apparatus is invalid.
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