On Thursday 23 February 2006 17:43, Arjan van de Ven wrote:
> On Thu, 2006-02-23 at 17:00 +0100, Andi Kleen wrote:
> > On Thursday 23 February 2006 16:09, Arjan van de Ven wrote:
> >
> > > This patch puts the infrastructure in place to allow for a reordering of
> > > functions based inside the vmlinux. The general idea is that it is possible
> > > to put all "common" functions into the first 2Mb of the code, so that they
> > > are covered by one TLB entry. This as opposed to the current situation where
> > > a typical vmlinux covers about 3.5Mb (on x86-64) and thus 2 TLB entries.
> > > (This patch depends on the previous patch to pin head.S as first in the order)
> >
> > I think you would first need to move the code first for that. Currently it starts
> > at 1MB, which means 1MB is already wasted of the aligned 2MB TLB entry.
> >
> > I wouldn't have a problem with moving the 64bit kernel to 2MB though.
>
> that was easy since it's a Config entry already ;)
I assume you boot tested it?
-Andi
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