Memory Management Unit Mmu Support Segmentation Pages Shared Two Different Ways Describe T Q37049076

In a memory management unit (MMU) that support segmentation,pages can be shared in two different ways.

Describe the two different ways.

Operating system.


Answer


Two techniques to share pages are :-

1. Share different pages by copying the page table entries. Sodifferent processes share a common page by having same page tableentry for the shared page, which means same virtual to physicalmemory translation. This technique is helpful when some read-onlydata like MACRO is present in some page and is shared by multipleprocesses running program concurrently.

2. Share entire segment by having same segment table entry forthe shared segment. This can be helpful technique when

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