Why does the self-map used to access the physical pages of the page directory and page tables

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Why does the self-map used to access the physical pages of the page directory and page tables for a process always occupy the same 8 MB of kernel virtual addresses (on the x86)?

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Modern Operating Systems

ISBN: 978-0133591620

4th edition

Authors: Andrew S. Tanenbaum, Herbert Bos

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Question Posted: Apr 07, 2016 07:36 AM

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Why does the self-map used to access the physical pages of the page directory and page tables

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On the x86 the selfmap is made by taking two of the entries in the page direc...View the full answer

Modern Operating Systems

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