Why is kernel optimized for size?

Paul Howarth paul at city-fan.org
Tue Jan 4 08:28:39 UTC 2005


On Mon, 2005-01-03 at 20:34 -0500, Steve Snyder wrote:
> I notice that the Fedora kernels have the optimize-for-size option 
> enabled.  Why is this?

Sometimes optimising for size also results in faster performance due to
loops being tighter, possibly fitting into cache where they might not do
otherwise.

> The Fedora developers seem not to expect their kernels to be run on 
> low-memory systems, given that the 4GB memory map is also enabled.

The new 2.6.9-1.724 kernel scraps the 4G/4G patch.

Paul.
-- 
Paul Howarth <paul at city-fan.org>




More information about the fedora-list mailing list