On Mon, Dec 25, 2006 at 01:22:30PM +0530, Rahul Sundaram wrote: > Dave Jones wrote: > > > It's a teeny bit slower if you don't need it. The structures describing > > pages of memory [known as PTE's] are larger, so take up more RAM, and > > take bit longer to fetch, but in practice, you'll usually not even notice > > the difference. It's hard to make it show up even on benchmarks with > > modern CPUs. > > Is it good enough that we can consider making the default kernel PAE and > dropping the variant? No. PAE kernels won't boot on older hardware that doesn't have PAE. Dave -- http://www.codemonkey.org.uk