'Physical pages' diaporamas de présentation

Chapter 12. Memory Management

Chapter 12. Memory Management. Overview. Memory allocation inside the kernel is not as easy as memory allocation outside the kernel The kernel simply lacks the luxuries enjoyed by user-space Unlike user-space, the kernel is not always afforded the capability to easily allocate memory

1.06k views • 106 slides

Chapter 12. Memory Management

Chapter 12. Memory Management. Overview. Memory allocation inside the kernel is not as easy as memory allocation outside the kernel The kernel simply lacks the luxuries enjoyed by user-space Unlike user-space, the kernel is not always afforded the capability to easily allocate memory

534 views • 52 slides

Lecture Topics: 11/17

Lecture Topics: 11/17. Page tables flat page tables paged page tables inverted page tables TLBs Virtual memory. Main Memory. physical address. Translation Box. virtual address. User mode:. CPU. Main Memory. Translation Box. physical address. CPU. Virtual Addresses.

336 views • 27 slides

Lecture Topics: 11/17

Lecture Topics: 11/17. Page tables flat page tables paged page tables inverted page tables TLBs Virtual memory. Main Memory. physical address. Translation Box. virtual address. User mode:. CPU. Main Memory. Translation Box. physical address. CPU. Virtual Addresses.

272 views • 27 slides

Learning Target

Learning Target. I will be able to analyze relief maps and apply the information learned in order to explain the affect of geography on human settlement and culture in mainland China. Political Maps Show boundaries of countries, states, cities etc. as well as the political data .

286 views • 23 slides

The Operating System Perspective

352 views • 22 slides

Using Database Technology to Improve Performance of Web Proxy Servers

344 views • 22 slides

Protecting Cryptographic Keys from Memory Disclosure Attacks

Shouhuai Xu and Keith H arrison UTSA, Dept. Computer Science. Protecting Cryptographic Keys from Memory Disclosure Attacks. Presented by John Shu. Outline. Introduction Threat Assessment Understanding the Attack Countering Memory Disclosure Attacks Conclusion. Introduction.

315 views • 21 slides

CS252 Graduate Computer Architecture Spring 2014 Lecture 15: Virtual Memory and Caches

CS252 Graduate Computer Architecture Spring 2014 Lecture 15: Virtual Memory and Caches. Krste Asanovic krste@eecs.berkeley.edu http:// inst.eecs.berkeley.edu /~cs252/sp14. Last Time in Lecture 14. Address translation Protection Virtual Memory. PC. D. E. M. W.

313 views • 19 slides

Lecture 15: Virtual Memory and Large Caches

Lecture 15: Virtual Memory and Large Caches. Today: TLB design and large cache design basics (Sections 5.3-5.4). TLB and Cache. Is the cache indexed with virtual or physical address? To index with a physical address, we will have to first

178 views • 17 slides

CSE 506: Operating Systems

CSE 506: Operating Systems. Physical Page Reclamation. VA to PA, PA to VA. Saw how virtual addresses translate to physical Where is address 0x1000 in process 100? How to do the reverse? Given physical page X, what has a reference to it? Why would you want to know?.

304 views • 15 slides

Project 4 Roadmap

Project 4 Roadmap. http://www.intel.com/design/pentium4/manuals/24547212.pdf pages 3-2, 3-21. Mapping kernel memory (theory). Premise: for the kernel, linear to physical mapping is one-to-one Say we have 8MB of physical memory. Answer (on paper) to these questions:

96 views • 9 slides