G PHYSICS
G06 COMPUTING OR CALCULATING; COUNTING
G06F ELECTRIC DIGITAL DATA PROCESSING
12/00 Accessing, addressing or allocating within memory systems or architectures
G06F12/02 Addressing or allocation; Relocation
G06F12/0223 User address space allocation, e.g. contiguous or non contiguous base addressing
G06F12/023 Free address space management
G06F12/0238 Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
G06F12/0246 in block erasable memory, e.g. flash memory