Management of copy-on-write fault
First Claim
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1. A method for management of a copy-on-write fault, the method comprising:
- assigning a translation to a first physical memory page, where the translation is a virtual memory address to physical memory address translation and where an offset portion in the translation includes a physical address of the first physical memory page; and
creating a second physical memory page which is a copy of the first physical memory page.
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Abstract
An embodiment of the invention provides an apparatus and method for management of copy-on-write faults. The apparatus and method include the acts of: assigning a translation to a first physical memory page, where the translation is a virtual memory address to physical memory address translation and where an offset portion in the translation includes a physical address of the first physical memory page; and creating a second physical memory page which is a copy of the first physical memory page.
20 Citations
22 Claims
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1. A method for management of a copy-on-write fault, the method comprising:
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assigning a translation to a first physical memory page, where the translation is a virtual memory address to physical memory address translation and where an offset portion in the translation includes a physical address of the first physical memory page; and creating a second physical memory page which is a copy of the first physical memory page. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for management of a copy-on-write fault, the apparatus comprising:
an operating system configured to assign a translation to a first physical memory page that is set to copy-on-write, where the translation is a virtual memory address to physical memory address translation and where an offset portion in the translation includes a physical address of the first physical memory page, and configured to create a second physical memory page which is a copy of the first physical memory page. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An apparatus for management of a copy-on-write fault, the apparatus comprising:
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means for assigning a translation to a first physical memory page, where the translation is a virtual memory address to physical memory address translation and where an offset portion in the translation includes a physical address of the first physical memory page; and means for creating a second physical memory page which is a copy of the first physical memory page.
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22. An article of manufacture comprising:
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a machine-readable medium having stored thereon instructions to; assign a translation to a first physical memory page, where the translation is a virtual memory address to physical memory address translation and where an offset portion in the translation includes a physical address of the first physical memory page; and create a second physical memory page which is a copy of the first physical memory page.
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Specification