linux-kernel - [2.6 patch] x86 pci-calgary_64.c: make a variable static

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Date:	Fri, 9 Nov 2007 07:03:30 +0100
From:	Adrian Bunk <bunk@...nel.org>
To:	muli@...ibm.com, jdmason@...zu.us, tglx@...utronix.de,
	mingo@...hat.com, hpa@...or.com
Cc:	linux-kernel@...r.kernel.org
Subject: [2.6 patch] x86 pci-calgary_64.c: make a variable static

"debugging" is a horrible name for a global variable - thankfully it can 
become static.

Also put it out of __read_mostly so that gcc no longer has to emit it
at all.

Signed-off-by: Adrian Bunk <bunk@...nel.org>

---

 arch/x86/kernel/pci-calgary_64.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

22f49393bbb5d8e73f94338be5d1ad52f459779c 
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 6bf1f71..a262f94 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -183,7 +183,7 @@ static struct calgary_bus_info bus_info[MAX_PHB_BUS_NUM] = { { NULL, 0, 0 }, };
 
 /* enable this to stress test the chip's TCE cache */
 #ifdef CONFIG_IOMMU_DEBUG
-int debugging __read_mostly = 1;
+static int debugging = 1;
 
 static inline unsigned long verify_bit_range(unsigned long* bitmap,
 	int expected, unsigned long start, unsigned long end)
@@ -202,7 +202,7 @@ static inline unsigned long verify_bit_range(unsigned long* bitmap,
 	return ~0UL;
 }
 #else /* debugging is disabled */
-int debugging __read_mostly = 0;
+static int debugging = 0;
 
 static inline unsigned long verify_bit_range(unsigned long* bitmap,
 	int expected, unsigned long start, unsigned long end)

-
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