TRIM is like the free() equivalent to malloc(). It releases a NAND page back to free state for other uses. It dones't require any NAND access or writes per-se b

TRIM is like the free() equivalent to malloc(). It releases a NAND page back to free state for other uses. It dones't require any NAND access or writes per-se but if persistent TRIM is needed (vs best effort,) it gets much more complicated.