linux-kernel - [PATCH] x86: convert highmem macros to functions

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Date:	Sat, 25 Oct 2008 20:24:33 +0200
From:	Marcin Slusarz <marcin.slusarz@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: convert highmem macros to functions

convert kmap_init, permanent_kmaps_init, set_highmem_pages_init macros
defined when !CONFIG_HIGHMEM to functions

supresses following warning from gcc:
arch/x86/mm/init_32.c: In function 'pagetable_init':
arch/x86/mm/init_32.c:516: warning: unused variable 'pgd_base'

Signed-off-by: Marcin Slusarz <marcin.slusarz@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/mm/init_32.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 8396868..d5dfdc4 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -436,9 +436,9 @@ static void __init set_highmem_pages_init(void)
 #endif /* !CONFIG_NUMA */
 
 #else
-# define kmap_init()				do { } while (0)
-# define permanent_kmaps_init(pgd_base)		do { } while (0)
-# define set_highmem_pages_init()	do { } while (0)
+static inline void kmap_init(void) {}
+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)
-- 
1.5.6.4

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