The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 14, 2021
Filed:
Aug. 21, 2017
Alibaba Group Holding Limited, Grand Cayman, KY;
Xiaowei Jiang, San Mateo, CA (US);
Shu Li, Santa Clara, CA (US);
ALIBABA GROUP HOLDING LIMITED, Grand Cayman, KY;
Abstract
The present application provides methods and systems for memory management of a kernel space and a user space. An exemplary system for memory management of the kernel space and the user space may include a first storing unit configured to store a first root page table index corresponding to the kernel space. The system may also include a second storing unit configured to store a second root page table index corresponding to the user space. The system may further include a control unit communicatively coupled to the first and second registers and configured to: translate a first virtual address to a first physical address in accordance with the first root page table index for an operating system kernel, and translate a second virtual address to a second physical address in accordance with the second root page table index for a user process.