[PATCH xen-tip] xen/PMU: __pcpu_scope_xenpmu_shared can be static

[kbuild test robot]

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 pmu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/xen/pmu.c b/arch/x86/xen/pmu.c
index 7218cea..1d1ae1b 100644
--- a/arch/x86/xen/pmu.c
+++ b/arch/x86/xen/pmu.c
@@ -15,7 +15,7 @@
 
 
 /* Shared page between hypervisor and domain */
-DEFINE_PER_CPU(struct xen_pmu_data *, xenpmu_shared);
+static DEFINE_PER_CPU(struct xen_pmu_data *, xenpmu_shared);
 #define get_xenpmu_data()    per_cpu(xenpmu_shared, smp_processor_id())
 
 /* perf callbacks */
--
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