	US 12,079,506 B2
	Memory expander, host device using memory expander, and operation method of sever system including memory expander
Chon Yong Lee, Hwaseong-si (KR)
Assigned to Samsung Electronics Co., Ltd., (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Oct. 25, 2021, as Appl. No. 17/509,650.
Claims priority of application No. 10-2020-0141708 (KR), filed on Oct. 29, 2020.
Prior Publication US 2022/0137864 A1, May 5, 2022
Int. Cl. G06F 3/06 (2006.01); G06F 13/16 (2006.01)

CPC G06F 3/0655 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0679 (2013.01); G06F 13/1631 (2013.01); G06F 13/1663 (2013.01)]

20 Claims

1. A memory expander comprising:

a memory device including a first memory region corresponding to a first host and a second memory region corresponding to a second host; and

a controller configured to communicate with the first host and the second host through a compute express link (CXL) interface, wherein the controller is configured to:

receive a first CXL communication packet from the first host, wherein the first CXL communication packet includes a request for transferring target data from the first memory region to the second memory region; and

perform a target data transfer operation of transferring the target data stored in the first memory region to the second memory region, in response to the first CXL communication packet.