Transcription of Chapter 8: Memory Management
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Chapter 8: Memory Management
The image cannot be displayed. Your computer may not have enough Memory to open the image, or the image may have been corrupted. Restart your computer, and then open the file again. If the red x still appears, you may have to delete the image and then insert it 8: Memory Management ! !Silberschatz, Galvin and Gagne 2005!Operating system Concepts! Chapter 8: Memory Management ! Background" Swapping " Contiguous Allocation" paging " Segmentation" Segmentation with paging " !Silberschatz, Galvin and Gagne 2005!Operating system Concepts!Background! Program must be brought into Memory and placed within a process for it to be run"" Input queue or job queue collection of processes on the disk that are waiting to be brought into Memory to run the program"" User programs go through several steps before being run" !
Operating System Concepts! 8.25! Silberschatz, Galvin and Gagne ©2005! Paging! Logical address space of a process can be noncontiguous; process is allocated physical memory whenever the latter is available" Divide physical memory into fixed-sized blocks called frames (size is power of 2, between 512 bytes and 8192 bytes)"
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