Fix: use printk_once() for wrapper warning messages

[deliverable/lttng-modules.git] / wrapper / vmalloc.h

diff --git a/wrapper/vmalloc.h b/wrapper/vmalloc.h
index 765f2ad9e22564b18e6d11b1e4dcc824dcf01cdf..2332439fe34c56515cefcaa4eda787a65ecaf835 100644 (file)
--- a/wrapper/vmalloc.h
+++ b/wrapper/vmalloc.h
@@ -1,20 +1,34 @@
-#ifndef _LTT_WRAPPER_VMALLOC_H
-#define _LTT_WRAPPER_VMALLOC_H
+#ifndef _LTTNG_WRAPPER_VMALLOC_H
+#define _LTTNG_WRAPPER_VMALLOC_H
 
 /*
- * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
+ * wrapper/vmalloc.h
  *
  * wrapper around vmalloc_sync_all. Using KALLSYMS to get its address when
  * available, else we need to have a kernel that exports this function to GPL
  * modules.
  *
- * Dual LGPL v2.1/GPL v2 license.
+ * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifdef CONFIG_KALLSYMS
 
 #include <linux/kallsyms.h>
-#include "kallsyms.h"
+#include <wrapper/kallsyms.h>
 
 static inline
 void wrapper_vmalloc_sync_all(void)
@@ -30,8 +44,8 @@ void wrapper_vmalloc_sync_all(void)
                 * Only x86 needs vmalloc_sync_all to make sure LTTng does not
                 * trigger recursive page faults.
                 */
-               printk(KERN_WARNING "LTTng: vmalloc_sync_all symbol lookup failed.\n");
-               printk(KERN_WARNING "Page fault handler and NMI tracing might trigger faults.\n");
+               printk_once(KERN_WARNING "LTTng: vmalloc_sync_all symbol lookup failed.\n");
+               printk_once(KERN_WARNING "Page fault handler and NMI tracing might trigger faults.\n");
 #endif
        }
 }
@@ -46,4 +60,4 @@ void wrapper_vmalloc_sync_all(void)
 }
 #endif
 
-#endif /* _LTT_WRAPPER_VMALLOC_H */
+#endif /* _LTTNG_WRAPPER_VMALLOC_H */