Operating Systems Chapter 4 Memory Management Vrije Universiteit
- Slides: 55
Operating Systems Chapter 4 – Memory Management Vrije Universiteit Amsterdam Operating Systems - Winter 2011
Chap 4 - Overview Operating Systems 2011 • Simple Memory Management • Swapping • Virtual Memory • Page Replacement • Design issues for paging systems • Segmentation • Memory management in MINIX Vrije Universiteit Amsterdam Slide 1
Memory Management – Simple Operating Systems 2011 Vrije Universiteit Amsterdam Slide 2
Memory Mgmt – Multitasking Operating Systems 2011 Vrije Universiteit Amsterdam Slide 3
Program Relocation (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 4
Program Relocation (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 5
Program Protection Operating Systems 2011 Vrije Universiteit Amsterdam Slide 7
Fragmentation: Problem Operating Systems 2011 Vrije Universiteit Amsterdam Slide 8
Fragmentation: Solution Operating Systems 2011 Vrije Universiteit Amsterdam Slide 9
Memory Organization / Process Operating Systems 2011 Vrije Universiteit Amsterdam Slide 10
MM – Bitmaps Operating Systems 2011 Vrije Universiteit Amsterdam Slide 11
MM – Bitmaps Operating Systems 2011 Vrije Universiteit Amsterdam Slide 12
MM – Linked Lists (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 14
Paged Memory Systems (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 15
Paged Memory Systems (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 16
Paged Memory Systems (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 17
Paged Systems HW Support (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 18
Paged Systems HW Support (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 19
Multilevel Page Tables Operating Systems 2011 Vrije Universiteit Amsterdam Slide 20
Lookaside Buffers Operating Systems 2011 Vrije Universiteit Amsterdam Slide 21
Inverted Page Tables (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 22
Inverted Page Tables (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 23
Virtual Memory (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 24
Virtual Memory (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 25
Page Replacement (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 26
Page Replacement (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 27
Least Recently Used Operating Systems 2011 Vrije Universiteit Amsterdam Slide 28
Page Table Entry Operating Systems 2011 Vrije Universiteit Amsterdam Slide 29
Design Issues Paging Systems Operating Systems 2011 Vrije Universiteit Amsterdam Slide 30
Working Set Model Operating Systems 2011 Vrije Universiteit Amsterdam Slide 31
Allocation Policies (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 32
Allocation Policies (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 33
Choosing the Page Size Operating Systems 2011 Vrije Universiteit Amsterdam Slide 34
Segmentation (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 35
Segmentation (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 36
Segmentation versus Paging Operating Systems 2011 Vrije Universiteit Amsterdam Slide 37
Segmentation vs Paging Pentium Operating Systems 2011 Vrije Universiteit Amsterdam Slide 38
Mapping to Physical Addresses Operating Systems 2011 Vrije Universiteit Amsterdam Slide 39
Memory Mgmt: MINIX (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 40
Memory Mgmt: MINIX (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 41
Memory Model Operating Systems 2011 Vrije Universiteit Amsterdam Slide 42
PM – System Calls Operating Systems 2011 Vrije Universiteit Amsterdam Slide 43
Main Loop: Process Manager Operating Systems 2011 875 876 Vrije Universiteit Amsterdam Slide 44
PM – Data Structures Operating Systems 2011 669 -670 Vrije Universiteit Amsterdam Slide 45
PM – Shared Text Operating Systems 2011 Vrije Universiteit Amsterdam Slide 46
Forking a Process (1/2) Operating Systems 2011 882 Vrije Universiteit Amsterdam Slide 47
Forking a Process (2/2) Operating Systems 2011 882 Vrije Universiteit Amsterdam Slide 48
PM – Exiting Processes Operating Systems 2011 Vrije Universiteit Amsterdam Slide 49
Exiting a Process (1/2) Operating Systems 2011 883 Vrije Universiteit Amsterdam Slide 50
Exiting a Process (2/2) Operating Systems 2011 883 884 Vrije Universiteit Amsterdam Slide 51
Waiting for a Process Operating Systems 2011 884 885 Vrije Universiteit Amsterdam Slide 52
PM – Executing Programs Operating Systems 2011 Vrije Universiteit Amsterdam Slide 53
Signal Handling (1/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 54
Signal Handling (2/2) Operating Systems 2011 Vrije Universiteit Amsterdam Slide 55
Questions? Operating Systems 2011 Vrije Universiteit Amsterdam Slide 56
Parapsychologie universiteit utrecht
Open universiteit amsterdam
Open universiteit amsterdam
Universiteit leiden
Universiteit
Universiteit utrecht
Sona universiteit leiden
Wapla
Memory management operating system
Lijst vrije beroepen 2020
Zijgangensysteem
Observatieplan stappen
Interval observatie formulier
Intervalobservatie
Wat is observatie
Vrije evangelische gemeente goes
Module 4 operating systems and file management
Tiered memory
Virtual memory
Virtual memory in operating system
Prototypes in semantics
Implicit and explicit memory
Long term memory vs short term memory
Internal memory and external memory
Primary memory and secondary memory
Physical memory vs logical memory
Which memory is the actual working memory?
Page fault
Virtual memory in memory hierarchy consists of
Eidetic memory vs iconic memory
Symmetric shared memory architecture
Examples for operating system
Evolution of operating systems
Components of an operating system
User view and system view in os
Wsn operating systems
Operating systems 3 easy pieces
Operating systems lab
I/o device management in operating system
Modern operating systems
Main components of file management
Distributed design issues
Early operating systems
Real-time operating systems
Can we make operating systems reliable and secure
Alternative operating systems
Exokernel
Operating systems: internals and design principles
Evolution of operating systems
Examples of network operating systems
Visual studio 2005 team suite
Hobbyist operating system
Embedded systems characteristics
Operating systems
Operating system chapter 1 notes
Rootkit
