diff --git a/[refs] b/[refs]
index 4da3ab99c649..9173bd7877b4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 867ab545668385b903f9379019000383675c49b3
+refs/heads/master: ed65260bb814a5c600a4e883f6bda73e287f5dec
diff --git a/trunk/arch/x86/kernel/pci-calgary_64.c b/trunk/arch/x86/kernel/pci-calgary_64.c
index 6bf1f716909d..21d7e0f8610c 100644
--- a/trunk/arch/x86/kernel/pci-calgary_64.c
+++ b/trunk/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;
 
 static inline unsigned long verify_bit_range(unsigned long* bitmap,
 	int expected, unsigned long start, unsigned long end)