Virtual memory management apparatus

US8990525B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8990525-B2
Application numberUS-201414270633-A
CountryUS
Kind codeB2
Filing dateMay 6, 2014
Priority dateSep 21, 2009
Publication dateMar 24, 2015
Grant dateMar 24, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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A virtual memory management apparatus of an embodiment is embedded in a computing machine 80 and is provided with an application program 21 , an operating system 22 , a volatile memory 11 , and a nonvolatile memory 12 . The volatile memory 11 is provided with a plurality of clean pages. The nonvolatile memory 12 is provided with a plurality of dirty pages and a page table memory unit 51 . The operating system 22 is provided with a virtual memory management unit 23 which includes a page transfer unit 25.

First claim

Opening claim text (preview).

What is claimed is: 1. A virtual memory management apparatus including a primary memory unit and a secondary memory unit having a lower memory access speed than the primary memory unit and having a larger memory capacity than the primary memory unit, the virtual memory management apparatus comprising: a volatile memory located in the primary memory unit, the volatile memory being configured to store data of a clean page being identical to data stored in the secondary memory unit…

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What does patent US8990525B2 cover?
A virtual memory management apparatus of an embodiment is embedded in a computing machine 80 and is provided with an application program 21 , an operating system 22 , a volatile memory 11 , and a nonvolatile memory 12 . The volatile memory 11 is provided with a plurality of clean pages. The nonvolatile memory 12 is provided with a plurality of dirty pages and a page table memory unit …
Who is the assignee on this patent?
Toshiba Kk
What technology area does this patent fall under?
Primary CPC classification G06F12/0638. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).