PAE kernel default with 1.5gb of ram?
Dave Jones
davej at redhat.com
Mon Dec 25 18:07:23 UTC 2006
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
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