linux-kernel - [PATCH 1/3] tracing: Move tracing_alloc

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Date:	Sat, 21 Dec 2013 16:44:00 -0600
From:	Tom Zanussi <tom.zanussi@...ux.intel.com>
To:	rostedt@...dmis.org
Cc:	linux-kernel@...r.kernel.org,
	Tom Zanussi <tom.zanussi@...ux.intel.com>
Subject: [PATCH 1/3] tracing: Move tracing_alloc_snapshot() declaration to tracing.h

tracing_alloc_snapshot() is only used internally by
alloc_tracing_snapshot() and trace_event_triggers.c and doesn't need
to be in kernel.h.  Move it to trace.h, which is more appropriate and
both include.

Reported-by: kbuild test robot <fengguang.wu@...el.com>
Signed-off-by: Tom Zanussi <tom.zanussi@...ux.intel.com>
---
 include/linux/kernel.h | 2 --
 kernel/trace/trace.h   | 1 +
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index d58541b..ecb8754 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -498,7 +498,6 @@ void tracing_on(void);
 void tracing_off(void);
 int tracing_is_on(void);
 void tracing_snapshot(void);
-int tracing_alloc_snapshot(void);
 void tracing_snapshot_alloc(void);
 
 extern void tracing_start(void);
@@ -646,7 +645,6 @@ static inline void tracing_on(void) { }
 static inline void tracing_off(void) { }
 static inline int tracing_is_on(void) { return 0; }
 static inline void tracing_snapshot(void) { }
-static inline int tracing_alloc_snapshot(void) { return -ENODEV; }
 static inline void tracing_snapshot_alloc(void) { }
 
 static inline __printf(1, 2)
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 993f2fe..433bfc5 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1220,6 +1220,7 @@ struct event_command {
 
 extern int trace_event_enable_disable(struct ftrace_event_file *file,
 				      int enable, int soft_disable);
+extern int tracing_alloc_snapshot(void);
 
 extern const char *__start___trace_bprintk_fmt[];
 extern const char *__stop___trace_bprintk_fmt[];
-- 
1.8.3.1

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