linux-kernel - Re: [PATCH] Deal with the warning from dmi_low_memory

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Date:	Thu, 20 Nov 2008 15:55:11 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	David Howells <dhowells@...hat.com>
Cc:	torvalds@...l.org, akpm@...ux-foundation.org, tglx@...utronix.de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Deal with the warning from dmi_low_memory_corruption()
	being unused


* David Howells <dhowells@...hat.com> wrote:

> Deal with the warning from dmi_low_memory_corruption() being unused 
> when CONFIG_X86_RESERVE_LOW_64K is not set:
> 
> arch/x86/kernel/setup.c:742: warning: 'dmi_low_memory_corruption' defined but not used
> 
> This was introduced by fc38151947477596aa27df6c4306ad6008dc6711.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>
> ---
> 
>  arch/x86/kernel/setup.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)

thx - already fixed via the patch below.

	Ingo

------------>
>From faad95db248fffe94b691a9c8f9cd0193584633a Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@...e.hu>
Date: Fri, 17 Oct 2008 12:00:38 +0200
Subject: [PATCH] fix warning in arch/x86/kernel/setup.c
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit

fix this warning:

  arch/x86/kernel/setup.c:736: warning: ‘dmi_low_memory_corruption’ defined but not used

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/kernel/setup.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 0fa6790..c35ec3f 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -738,6 +738,7 @@ void start_periodic_check_for_corruption(void)
 }
 #endif
 
+#ifdef CONFIG_X86_RESERVE_LOW_64K
 static int __init dmi_low_memory_corruption(const struct dmi_system_id *d)
 {
 	printk(KERN_NOTICE
@@ -749,6 +750,7 @@ static int __init dmi_low_memory_corruption(const struct dmi_system_id *d)
 
 	return 0;
 }
+#endif
 
 /* List of systems that have known low memory corruption BIOS problems */
 static struct dmi_system_id __initdata bad_bios_dmi_table[] = {

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