Section mismatch warnings (was Re: [PATCH] early_pfn_to_nid needs to be __meminit)

[Josh Boyer]

On Wed, 2007-05-09 at 14:45 -0500, Linas Vepstas wrote:
> On Wed, May 09, 2007 at 06:51:15PM +0200, Gabriel Paubert wrote:
> > On Thu, May 10, 2007 at 02:25:52AM +1000, Stephen Rothwell wrote:
> > > This removes a section mismatch warning in those circumstances.
> > 
> > Speaking of this, I just tried to compile an official (Linus' git tree) 
> > kernel for my old PMac G4 and I get a lot of section mismatch warnings at 
> > the end of the compilation:
> > 
> > WARNING: arch/powerpc/mm/built-in.o - Section mismatch: reference to .init.text:early_get_page from .text between 'pte_alloc_one_kernel' (at offset 0xf50) and 'v_mapped_by_bats'
> > 
> > I find these 50 or so warnings so scary that I've not yet tried 
> > to boot the kernel. Note that this is a non-modular kernel.
> 
> I'm getting oodles of these on an older -mm2 tree. The kernels seem to
> work fine. Yes, they should be fixed but I'm up to my proverbial eyballs
> in alligators.

Yeah, I see all kinds of this too.  Does anyone have an idea why they're
being spit out?  Or if it's related to a particular binutils version,
etc?

josh