The Whys and Wherefores of the Ubuntu Kernel Config
This page is intended to list factors which have led to specific options being selected where those reasons may not be obvious. More recent releases the complete configuration has been reviewed and the current status with proposed changes recorded.
Ubuntu Maverick Meerkat 10.10
Ubuntu Lucid Lynx 10.04 LTS
Ubuntu Karmic Koala 9.10
Ubuntu Jaunty Jackalope 9.04
Somewhat counter intuitively the kernel default performance governer us Performance. This is that boot time is measurably faster with this governer. Although this is the default, early userspace switches us to the users chosen governer defaulting to OnDemand.