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Date: Thu, 29 May 2008 00:01:28 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: "Fabio Comolli" <fabio.comolli@gmail.com>
Cc: "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
       sam@ravnborg.org
Subject: Re: Section mismatch on latest git
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On Mon, 26 May 2008 10:03:21 +0200 "Fabio Comolli" <fabio.comolli@gmail.com> wrote:

> Hi.
> I don't know it it has been reported already:
> 
> WARNING: vmlinux.o(.text+0x114bb): Section mismatch in reference from
> the function nopat() to the function .cpuinit.text:pat_disable()
> The function nopat() references
> the function __cpuinit pat_disable().
> This is often because nopat lacks a __cpuinit
> annotation or the annotation of pat_disable is wrong.
> 
> Config is in attachment.
> 

This should fix it:

--- a/arch/x86/mm/pat.c~arch-x86-mm-patc-nopat-should-be-__init
+++ a/arch/x86/mm/pat.c
@@ -34,7 +34,7 @@ void __cpuinit pat_disable(char *reason)
 	printk(KERN_INFO "%s\n", reason);
 }
 
-static int nopat(char *str)
+static int __init nopat(char *str)
 {
 	pat_disable("PAT support disabled.");
 	return 0;
_


It turns out that this was harmless.  However it might not have been -
I think that adding the ability to suppress all these warnings was a
mistake.