公开(公告)号：US20140143482A1

公开(公告)日：2014-05-22

申请号：US14164695

申请日：2014-01-27

Applicant: Apple Inc.

Inventor： Avraham Meir ,  Oren Golov

IPC: G06F3/06

CPC classification number: G06F3/0604 ,  G06F3/0619 ,  G06F3/0631 ,  G06F3/0643 ,  G06F3/065 ,  G06F3/0679 ,  G06F12/0246

Abstract: A method includes storing data in a non-volatile memory that includes multiple memory blocks. At least first and second regions are defined in the non-volatile memory. A definition is made of a first over-provisioning ratio between a first logical address space and a first physical memory space of the first region, and a second over-provisioning ratio, different from the first over-provisioning ratio, between a second logical address space and a second physical memory space of the second region. Portions of the data are compacted, individually within each of the first and second regions and independently of the other region, by copying the portions from one or more source memory blocks to one or more destination memory blocks using the first and second over-provisioning ratios, respectively.

Abstract translation: 一种方法包括将数据存储在包括多个存储器块的非易失性存储器中。 至少第一和第二区域被定义在非易失性存储器中。 定义在第一逻辑地址空间和第一区域的第一物理存储器空间之间的第一过度供应比率和与第一过度供应比不同的第二过度供应比在第二逻辑地址 空间和第二区域的第二物理内存空间。 通过使用第一和第二过度供应比率将部分数据单独地压缩在第一和第二区域的每一个内并且独立于其他区域，通过将部分从一个或多个源存储器块复制到一个或多个目标存储器块 ， 分别。