linux-kernel - [PATCH] x86: fix section mismatch warnings in kernel/setup

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Date:	Sun, 18 Jan 2009 23:03:56 +0100
From:	Leonardo Potenza <leo.potenza@...il.com>
To:	kernel-janitors@...r.kernel.org
Cc:	mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: [PATCH] x86: fix section mismatch warnings in kernel/setup_percpu.c

From: Leonardo Potenza <lpotenza@...ind.it>

The function setup_cpu_local_masks() has been marked __init, in order to remove the following section mismatch messages:

WARNING: vmlinux.o(.text+0x3c2c7): Section mismatch in reference from the function setup_cpu_local_masks() to the function .init.text:alloc_bootmem_cpumask_var()
The function setup_cpu_local_masks() references
the function __init alloc_bootmem_cpumask_var().
This is often because setup_cpu_local_masks lacks a __init 
annotation or the annotation of alloc_bootmem_cpumask_var is wrong.

WARNING: vmlinux.o(.text+0x3c2d3): Section mismatch in reference from the function setup_cpu_local_masks() to the function .init.text:alloc_bootmem_cpumask_var()
The function setup_cpu_local_masks() references
the function __init alloc_bootmem_cpumask_var().
This is often because setup_cpu_local_masks lacks a __init 
annotation or the annotation of alloc_bootmem_cpumask_var is wrong.

WARNING: vmlinux.o(.text+0x3c2df): Section mismatch in reference from the function setup_cpu_local_masks() to the function .init.text:alloc_bootmem_cpumask_var()
The function setup_cpu_local_masks() references
the function __init alloc_bootmem_cpumask_var().
This is often because setup_cpu_local_masks lacks a __init 
annotation or the annotation of alloc_bootmem_cpumask_var is wrong.

WARNING: vmlinux.o(.text+0x3c2eb): Section mismatch in reference from the function setup_cpu_local_masks() to the function .init.text:alloc_bootmem_cpumask_var()
The function setup_cpu_local_masks() references
the function __init alloc_bootmem_cpumask_var().
This is often because setup_cpu_local_masks lacks a __init 
annotation or the annotation of alloc_bootmem_cpumask_var is wrong.

Signed-off-by: Leonardo Potenza <lpotenza@...ind.it>
---
Index: linux-2.6/arch/x86/kernel/setup_percpu.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/setup_percpu.c	2009-01-18 22:20:13.000000000 +0100
+++ linux-2.6/arch/x86/kernel/setup_percpu.c	2009-01-18 22:21:19.000000000 +0100
@@ -136,7 +136,7 @@ static void __init setup_cpu_pda_map(voi
 #ifdef CONFIG_X86_64

 /* correctly size the local cpu masks */
-static void setup_cpu_local_masks(void)
+static void __init setup_cpu_local_masks(void)
 {
 	alloc_bootmem_cpumask_var(&cpu_initialized_mask);
 	alloc_bootmem_cpumask_var(&cpu_callin_mask);
--
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