On Wed, Jul 18, 2007 at 08:55:50AM -0700, H. Peter Anvin wrote:
> Andi Kleen wrote:
> >
> >> Already with these patches I can compile a zImage kernel that is 450kb
> >> large (890kb decompressed)
> >
> > The important part is not how big the vmlinux is, but how much
> > memory is actually used after boot.
> >
> > I expect concentrating some of the dynamic data structures would
> > be more fruitful in fact.
>
> Well, how big the vmlinux file is matters if it doesn't fit in memory
> with enough time to get to the phase where it is dumping the init
> sections. *If that is not the issue*, then axing stuff like CPUID is a
> major lose in terms of code maintainability for zero gain.
That's not the point at all.
Every byte you can shave off the compressed kernel image is another
byte you can use for userspace on your FLASH.
--
Mathematics is the supreme nostalgia of our time.
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