Silberschatz - Operating System Concepts 9th-cap8

Silberschatz - Operating System Concepts 9th-cap8

1. Main Memory

   • Basic Hardware
     • cache
     • base register
   • Address Binding
     • compile time
     • load time
     • execution time
   • Logical versus Physical Address Space
     • Logical
       • Logical address
         • Logical address space
           • Memory Management Unit
     • Physical
       • Physical address
         • Physical address space
   • Dynamic loading
     • Used to obtain better memory and space utilization
   • Dynamic Linking
     • Libraries linked to user programs when programs run
   • Swapping
     • Standard
     • On Mobile systems
   • Contiguous Memory Allocation
     • Memory Protection
     • Memory allocation
       • Best fit
       • First fit
       • Worst Fit
     • Fragmentation
   • Segmentation
     • Hardware
   • Paging
     • Basic method
     • Hardware support
     • Protection
     • Shared pages
     • Hierarchical paging
     • Hashed page tables
     • Inverted page tables