Google llc (20240184716). Kernel Support for Memory Paging simplified abstract
Contents
- 1 Kernel Support for Memory Paging
Kernel Support for Memory Paging
Organization Name
Inventor(s)
Rasha Eqbal of Redwood City CA (US)
Christopher James Suter of Sydney (AU)
Kernel Support for Memory Paging - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240184716 titled 'Kernel Support for Memory Paging
Simplified Explanation
The memory management method described in the abstract involves assigning separate virtual addresses to processes in user space, utilizing virtual memory objects (VMOs) backed by a user space pager service to manage reading and writing to persistent storage.
- Virtual addresses are assigned to processes in user space, connected to a file system for reading and writing to persistent storage.
- Virtual memory objects (VMOs) are created in user space, backed by a user space pager service.
- Pages representing a file associated with information in persistent storage are included in these objects.
- The pager manages reading and writing to persistent storage, populating pages for a VMO with data retrieved from storage.
- The state of a VMO is set to clean after populating pages, dirty after writing to pages, and awaiting clean during writing back to storage.
- The state of the VMO is set to clean upon completing the writing back process.
Potential Applications
This technology could be applied in operating systems, file systems, and database management systems to efficiently manage memory and storage resources.
Problems Solved
This method helps optimize memory usage and storage access, improving overall system performance and reliability.
Benefits
The use of VMOs and a pager service simplifies memory management, enhances data retrieval speed, and reduces the risk of data loss.
Potential Commercial Applications
This technology could be valuable for companies developing software systems that require efficient memory management and data storage capabilities.
Possible Prior Art
One possible prior art could be the use of virtual memory systems in operating systems to manage memory resources effectively.
What are the potential security implications of implementing this memory management method?
Implementing this memory management method could introduce security vulnerabilities related to data access and storage, potentially requiring additional measures to protect sensitive information.
How does this method compare to traditional memory management techniques in terms of performance and resource utilization?
Compared to traditional memory management techniques, this method may offer improved performance and resource utilization by efficiently managing memory and storage operations.
Original Abstract Submitted
a memory management method is provided, which includes assigning separate virtual addresses to processes in user space, include to a file system configured to read/write to persistent storage. virtual memory objects (vmos) are created in user space that are backed by a user space pager service. such objects including pages representing a file associated with information maintained in persistent storage. a pager manages reading/writing to persistent storage. the pager populates pages for a given vmo using data retrieved from persistent storage. upon populating the pages, a state of the vmo is set to a clean state. upon writing to the pages, the state of the vmo is set to a dirty state. upon initiating writing back to persistent storage, the state of the vmo is set to an awaiting clean state. upon ending the writing back, the state of the vmo is set to clean.
