AIX Info

Essay specific features

 

Issue:

Technology

 

Written by:

Demetrius H

 

Date added:

August 2, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

4 / 864

 

Was viewed:

947 times

 

Rating of current essay:

 
Essay content:

At this point the Virtual Memory Manager (VMM) knows it needs to get data from disk and place it in RAM - it therefore checks to see that there is space in RAM in which to out this data. If there's enough room, VMM checks to see if the wanted page has been used previously by this process: - if not, an "initial page fault", VMM allocates _two_ pages for the data; one in RAM and the other on a backing page on disk where it can go if it has to be temporarily removed from RAM...
displayed 300 characters

Custom written essay

All essays are written from scratch by professional writers according to your instructions and delivered to your email on time. Prices start from $10.99/page

Order custom paper

Full essays database

You get access to all the essays and can view as many of them as you like for as little as $28.95/month

Buy database access

Order custom writing paper now!

  • Your research paper is written
    by certified writers
  • Your requirements and targets are
    always met
  • You are able to control the progress
    of your writing assignment
  • You get a chance to become an
    excellent student!

Get a price guote

 
 

This is known as "late page space allocation". - if it has, a "repage fault" I/O is scheduled to bring the data back from disk and into RAM - the act of resolving this repage fault is called a "page-in" (the process that is waiting for this to happen is in a "page wait state"). So what happens if there's not enough room in RAM to put the page? Well the page stealer is there to ensure that there is a supply of free RAM pages available for an initial page fault...
displayed 300 characters

General issues of this essay:

Related essays:

x
Services