Chapter 8: Memory Management
Chapter 8: Memory Management
Chapter 8: Memory Management
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<strong>Memory</strong> Protection!<strong>Memory</strong> protection implemented by associating protection bitwith each frame"Valid-invalid bit attached to each entry in the page table:" “valid” indicates that the associated page is in theprocess’ logical address space, and is thus a legal page" “invalid” indicates that the page is not in the process’logical address space"Operating System Concepts!8.36! Silberschatz, Galvin and Gagne ©2005!