Quote: virtual memory should separate machine independent data from machine dependent data

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Given the wide range of virtual memory management … and algorithms in the Mach virtual memory implementation. … The basic data structures used in the virtual … associated with each task. share maps, a special … VM objects, a unit of backing storage … page structures, specify the current attributes for physical … [p. 102] The machine dependent portion … has a simple page validate/invalidate/protect interface, and has …   Google-1   Google-2

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Additional Titles

Quote: Mach's virtual memory is built on hardware page validate, invalidate, and protect

Quote: Mach implements virtual memory with address maps, share maps, VM objects, and page structures

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