January 2004
Intermediate to advanced
432 pages
11h 1m
English
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Types of Memory
Various levels of abstraction have been introduced to facilitate the use of relocatable code, shared memory objects, and private data areas. To support these abstraction layers, memory must be managed from the logical, virtual, and physical page levels. In addition, memory page images may be stored on a disk device as part of a “front store” or in a “back store” when the kernel needs to temporarily move them out of the way.
Logical Memory
As we discussed in Chapter 5, “Process and Thread Management from the Process's Viewpoint,” a process takes a “logical” view of memory. As far as the process is concerned, it is only interested in its own memory requirements: Where is my code? Where is my data? Where are the shared library routines ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.