Resource Management - Operating Systems Group

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TU Dresden MOS: Resource Management PROBLEM ■ kernel needs memory for its abstractions ■ tasks: page tables ■ threads: kernel-TCB ■ capability tables ■ IPC wait queues ■ mapping database ■ kernel memory is limited ■ opens the possibility of DoS attacks 4
TU Dresden MOS: Resource Management IDEA ■ memory management policy should not be in the kernel ■ account all memory to the application it is needed for (directly or indirectly) ■ kernel provides memory control mechanism ■ exception for bootstrapping: initial kernel memory is managed by kernel 5
Page 1 and 2: Faculty of Computer Science Institu
Page 3: KERNEL RESOURCES TU Dresden MOS: Re
Page 7 and 8: TU Dresden MOS: Resource Management
Page 9 and 10: ARCHITECTURES TU Dresden MOS: Resou
Page 19 and 20: EXAMPLES TU Dresden MOS: Resource M
Page 21 and 22: wget lwip Ankh TU Dresden MOS: Reso
Page 23 and 24: L4Re VFS Filesystem Windhoek TU Dre
Page 25 and 26: L4Re VFS Filesystem Windhoek TU Dre
Page 27 and 28: Terminal DOpE mag TU Dresden MOS: R
Page 29 and 30: RESOURCE ACCESS TU Dresden MOS: Res
Page 31 and 32: GOOGLE CHROME TU Dresden MOS: Resou
Page 35 and 36: Task A Capability Table TU Dresden
Page 37 and 38: CAP TRANSFER Task A Task B X TU Dre
Page 39 and 40: CAP TRANSFER Task A Task B X 1 2 3
Page 43 and 44: Manager Service mag TU Dresden MOS:
Page 45 and 46: Factory S S mag fb-drv moe Memory T
Page 49: ■ kernel resource management TU D

Resource Management - Operating Systems Group

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