linux-kernel - Re: [PATCH] suspend: fix section mismatch warning

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Date:	Tue, 12 Aug 2008 23:49:25 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Marcin Slusarz <marcin.slusarz@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, Pavel Machek <pavel@...e.cz>,
	Len Brown <len.brown@...el.com>,
	Andrew Morton <akpm@...gle.com>
Subject: Re: [PATCH] suspend: fix section mismatch warning - register_nosave_region

On Tuesday, 12 of August 2008, Marcin Slusarz wrote:
> WARNING: vmlinux.o(.text+0xe684): Section mismatch in reference from the function register_nosave_region() to the function .init.text:__register_nosave_region()
> The function register_nosave_region() references
> the function __init __register_nosave_region().
> This is often because register_nosave_region lacks a __init
> annotation or the annotation of __register_nosave_region is wrong.
> 
> register_nosave_region calls __init function and is called only from __init functions
> 
> Signed-off-by: Marcin Slusarz <marcin.slusarz@...il.com>
> Cc: Rafael J. Wysocki <rjw@...k.pl>
> Cc: Pavel Machek <pavel@...e.cz>
> Cc: Len Brown <len.brown@...el.com>

Acked-by: Rafael J. Wysocki <rjw@...k.pl>

> ---
>  include/linux/suspend.h |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/suspend.h b/include/linux/suspend.h
> index c634350..2ce8207 100644
> --- a/include/linux/suspend.h
> +++ b/include/linux/suspend.h
> @@ -217,11 +217,11 @@ struct platform_hibernation_ops {
>  #ifdef CONFIG_HIBERNATION
>  /* kernel/power/snapshot.c */
>  extern void __register_nosave_region(unsigned long b, unsigned long e, int km);
> -static inline void register_nosave_region(unsigned long b, unsigned long e)
> +static inline void __init register_nosave_region(unsigned long b, unsigned long e)
>  {
>  	__register_nosave_region(b, e, 0);
>  }
> -static inline void register_nosave_region_late(unsigned long b, unsigned long e)
> +static inline void __init register_nosave_region_late(unsigned long b, unsigned long e)
>  {
>  	__register_nosave_region(b, e, 1);
>  }


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