linux-kernel - [PATCH] markers: remove 2 exported symbols

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Message-ID: <48EC199D.40808@cn.fujitsu.com>
Date:	Wed, 08 Oct 2008 10:23:25 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] markers: remove 2 exported symbols


__mark_empty_function() and marker_probe_cb_noarg()
should not be seen by outer code. this patch remove them.

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
diff --git a/include/linux/marker.h b/include/linux/marker.h
index 1290653..f4d4d28 100644
--- a/include/linux/marker.h
+++ b/include/linux/marker.h
@@ -132,12 +132,8 @@ static inline void __printf(1, 2) ___mark_check_format(const char *fmt, ...)
 			___mark_check_format(format, ## args);		\
 	} while (0)
 
-extern marker_probe_func __mark_empty_function;
-
 extern void marker_probe_cb(const struct marker *mdata,
 	void *call_private, ...);
-extern void marker_probe_cb_noarg(const struct marker *mdata,
-	void *call_private, ...);
 
 /*
  * Connect a probe to a marker.
diff --git a/kernel/marker.c b/kernel/marker.c
index 7d1faec..4440a09 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -81,11 +81,10 @@ static struct hlist_head marker_table[MARKER_TABLE_SIZE];
  * though the function pointer change and the marker enabling are two distinct
  * operations that modifies the execution flow of preemptible code.
  */
-void __mark_empty_function(void *probe_private, void *call_private,
+static void __mark_empty_function(void *probe_private, void *call_private,
 	const char *fmt, va_list *args)
 {
 }
-EXPORT_SYMBOL_GPL(__mark_empty_function);
 
 /*
  * marker_probe_cb Callback that prepares the variable argument list for probes.
@@ -157,7 +156,7 @@ EXPORT_SYMBOL_GPL(marker_probe_cb);
  *
  * Should be connected to markers "MARK_NOARGS".
  */
-void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
+static void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
 {
 	va_list args;	/* not initialized */
 	char ptype;
@@ -197,7 +196,6 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
 	}
 	preempt_enable();
 }
-EXPORT_SYMBOL_GPL(marker_probe_cb_noarg);
 
 static void free_old_closure(struct rcu_head *head)
 {



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