perf_counter, x86: declare perf_max_counters only for CONFIG_PERF_COUNTERS
This is only needed for CONFIG_PERF_COUNTERS enabled.
[ Impact: cleanup ]
Signed-off-by: Robert Richter <robert.richter@amd.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1241002046-8832-3-git-send-email-robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 9814328..be10b3f 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -512,12 +512,13 @@
int recursion[4];
};
+#ifdef CONFIG_PERF_COUNTERS
+
/*
* Set by architecture code:
*/
extern int perf_max_counters;
-#ifdef CONFIG_PERF_COUNTERS
extern const struct hw_perf_counter_ops *
hw_perf_counter_init(struct perf_counter *counter);