A memory reclamation method, comprising: receiving a memory reclamation request message, wherein the memory reclamation request message comprises a reclamation identifier, and the reclamation identifier is used to indicate a quantity of memory pages requested to be reclaimed; characterised in that the method further comprises: reclaiming inactive memory pages of a non-volatile memory, NVM, according to the reclamation identifier in ascending order of write times of inactive memory pages of the NVM before the reclaiming inactive memory pages of an NVM according to the reclamation identifier in ascending order of the write times of inactive memory pages of the NVM, determining the write times of inactive memory pages of the NVM; and storing the inactive memory pages of the NVM into a corresponding segment of a linked list of the inactive memory pages according to the write times of inactive memory pages of the NVM, wherein the linked list of the inactive memory pages comprises multiple segments, and each segment is used to store an inactive memory page of the NVM within a set range of the write times; wherein the multiple segments comprised in the linked list of the inactive memory pages are sorted in the linked list of the inactive memory pages in ascending order of corresponding set ranges of the write times; and wherein the reclaiming inactive memory pages of an NVM according to the reclamation identifier in ascending order of the write times of inactive memory pages of the NVM comprises: reclaiming, in the linked list of the inactive memory pages and in ascending order of the set ranges of the write times, inactive memory pages of the NVM that are in one or multiple segments and in a quantity that matches the quantity of the memory pages requested to be reclaimed by the reclamation identifier. receiving a memory reclamation request message, wherein the memory reclamation request message comprises a reclamation identifier, and the reclamation identifier is used to indicate a quantity of memory pages requested to be reclaimed; characterised in that the method further comprises: reclaiming inactive memory pages of a non-volatile memory, NVM, according to the reclamation identifier in ascending order of write times of inactive memory pages of the NVM before the reclaiming inactive memory pages of an NVM according to the reclamation identifier in ascending order of the write times of inactive memory pages of the NVM, determining the write times of inactive memory pages of the NVM; and storing the inactive memory pages of the NVM into a corresponding segment of a linked list of the inactive memory pages according to the write times of inactive memory pages of the NVM, wherein the linked list of the inactive memory pages comprises multiple segments, and each segment is used to store an inactive memory page of the NVM within a set range of the write times; reclaiming inactive memory pages of a non-volatile memory, NVM, according to the reclamation identifier in ascending order of write times of inactive memory pages of the NVM before the reclaiming inactive memory pages of an NVM according to the reclamation identifier in ascending order of the write times of inactive memory pages of the NVM, determining the write times of inactive memory pages of the NVM; and storing the inactive memory pages of the NVM into a corresponding segment of a linked list of the inactive memory pages according to the write times of inactive memory pages of the NVM, wherein the linked list of the inactive memory pages comprises multiple segments, and each segment is used to store an inactive memory page of the NVM within a set range of the write times; wherein the multiple segments comprised in the linked list of the inactive memory pages are sorted in the linked list of the inactive memory pages in ascending order of corresponding set ranges of the write times; and wherein the reclaiming inactive memory pages of an NVM according to the reclamation identifier in ascending order of the write times of inactive memory pages of the NVM comprises: reclaiming, in the linked list of the inactive memory pages and in ascending order of the set ranges of the write times, inactive memory pages of the NVM that are in one or multiple segments and in a quantity that matches the quantity of the memory pages requested to be reclaimed by the reclamation identifier.