linux-kernel - [PATCH] compile time warnings

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Message-ID: <495e192c@wupperonline.de>
Date:	Fri, 02 Jan 2009 14:42:00 +0100
From:	ib@...peronline.de (Ingo Brueckl)
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] compile time warnings

Ingo Molnar <mingo@...e.hu> writes:

 > yes, with a small nit:
>>
>> +static inline void permanent_kmaps_init(pgd_t *pgd_base)
>> +{
>> +     (void) pgd_base;

 > there's no need for this line - this is not a macro, so the function
 > parameter does not have to be 'used'.

I live and learn.


fix compiler warning in arch/x86/mm/init_32.c

Signed-off-by: Ingo Brueckl <ib@...peronline.de>

--- linux-2.6.28/arch/x86/mm/init_32.c.orig	2008-12-25 00:26:37.000000000 +0100
+++ linux-2.6.28/arch/x86/mm/init_32.c	2009-01-02 14:21:18.000000000 +0100
@@ -436,8 +436,12 @@ static void __init set_highmem_pages_ini
 #endif /* !CONFIG_NUMA */

 #else
-# define permanent_kmaps_init(pgd_base)		do { } while (0)
-# define set_highmem_pages_init()	do { } while (0)
+static inline void permanent_kmaps_init(pgd_t *pgd_base)
+{
+}
+static inline void set_highmem_pages_init(void)
+{
+}
 #endif /* CONFIG_HIGHMEM */

 void __init native_pagetable_setup_start(pgd_t *base)
--
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