[tip:perfcounters/core] perf_counter, x86: declare perf_max_counters only for CONFIG_PERF_COUNTERS

[tip-bot for Robert Richter]

Commit-ID:  829b42dd395c5801f6ae87da87ecbdcfd5ef1a6c
Gitweb:     http://git.kernel.org/tip/829b42dd395c5801f6ae87da87ecbdcfd5ef1a6c
Author:     Robert Richter <robert.richter@xxxxxxx>
AuthorDate: Wed, 29 Apr 2009 12:46:59 +0200
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Wed, 29 Apr 2009 14:51:01 +0200

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@xxxxxxx>
Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
LKML-Reference: <1241002046-8832-3-git-send-email-robert.richter@xxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
 include/linux/perf_counter.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

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 @@ struct perf_cpu_context {
 	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);
 
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