Revision of Got more than a gig of RAM and 32-bit Linux? Here's how to use it from Fri, 09/21/2007 - 18:45

Nowadays, many machines are running with 2-4 gigabytes of RAM, and their owners are discovering a problem: When they run 32-bit GNU/Linux distributions, their extra RAM is not being used. Fortunately, correcting the problem is only a matter of installing or building a kernel with a few specific parameters enabled or disabled.