公开(公告)号：US20180150242A1

公开(公告)日：2018-05-31

申请号：US15811991

申请日：2017-11-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun-ju YI ,  Hyun-soo BAE ,  Jung-pil LEE ,  Hyo-taek LEEM ,  Jong-min KIM ,  Ran-hee LEE

IPC: G06F3/06 ,  G06F13/28

CPC classification number: G06F3/0616 ,  G06F3/061 ,  G06F3/0656 ,  G06F3/0659 ,  G06F3/0679 ,  G06F13/28

Abstract: Disclosed are a controller and a storage device for efficient buffer allocation, and a method of operating the storage device. The storage device includes a non-volatile memory including a plurality of non-volatile memory cells, a buffer including a plurality of storage spaces to be allocated for a plurality of commands fetched from a host, and a storage controller connected to the non-volatile memory via a plurality of channels, the storage controller being configured to store status information corresponding to a workload of each of the plurality of channels and to allocate the buffer for the plurality of commands, the allocation being based on the status information.