Pre-Grant Publication Number: 20070118712
Filing Date: November 21, 2020
Inventors: Henri van Riel, Adriaan van de Ven
Assignee: RED HAT, INC.
Current U.S. Classification: 711, 711/170000
View Prior Art for Claim 00022
The method as claimed in Claim 17, wherein said O/S receives a page fault exception, and in response, said O/S:
determining whether a memory page frame needs to be allocated, and, if a memory page frame does not need to be allocated, then:
determining whether a free memory pool includes a physical memory page frame designated as read-only by said process, and if said free memory pool includes a physical memory page frame designated as read-only,
removing said page from said free memory pool and designating said memory page frame as available for reuse by re-enabling a process's write access to its associated memory page frames.
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