lecture22-chapter7 - Operating Systems Operating Lecture...

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Operating Systems Operating Systems Lecture 22: Lecture 22: Memory Management (cont) Memory Management (cont) Anda Iamnitchi anda@cse.usf.edu 1
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Types of Partitioning Types of Partitioning Fixed Partitioning Dynamic Partitioning Simple Paging Simple Segmentation
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Paging Paging Partition memory into small equal fixed-size chunks and divide each process into the same size chunks The chunks of a process are called pages The chunks of memory are called frames Operating system maintains a page table for each process Contains the frame location for each page in the process Memory address consist of a page number and offset within the page
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Processes and Frames Processes and Frames A.0 A.1 A.2 A.3 B.0 B.1 B.2 C.0 C.1 C.2 C.3 D.0 D.1 D.2 D.3 D.4
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Page Table Page Table
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Addresses Logical Reference to a memory location independent of the current assignment of data to memory.
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This note was uploaded on 02/18/2012 for the course COP 4600 taught by Professor Andaiamnitchi during the Fall '08 term at University of South Florida - Tampa.

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lecture22-chapter7 - Operating Systems Operating Lecture...

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