The following excerpt is from chapter 3, User-Level Memory Management, of Arnold Robbins’ book Linux Programming by Example: The Fundamentals, Prentice Hall PTR; (April 12, 2004), used with permission ...

Mike Rapoport from IBM launched a bid to implement address space isolation in the Linux kernel. Address space isolation emanates from the idea of virtual memory—where the system maps all its hardware ...

When it comes to system administration, one of the earliest decisions to be made is how to configure swap space. Many readers already are thinking they know what to do: throw in as much RAM as you can ...

With memory pages shared among applications, sometimes it’s hard to tell how much you’ll really save by killing that memory hog. Two new memory metrics offer help for busy administrators. Anybody who ...

Swap space can play an important role in system performance. Learn how to determine how much swap space your system has available and how much it's being used. Most of us don’t often think about swap ...

Keep your Linux system running fast with simple maintenance commands to clean packages, clear logs, manage startup apps, and monitor performance.

Android 15’s new Linux Terminal app is limited to 4GB of memory, which can be insufficient for developers. A workaround involves increasing the zram size, creating a swap file, and adjusting ...

I'm hoping there are a few kernel hackers around here who might have some insights into this... I have a long standing habit of using "gutless wonder" ARM boards for desktop. Some work well, some work ...