Fix: build failure on 2.6.36

[lttng-modules.git] / wrapper / vzalloc.h

diff --git a/wrapper/vzalloc.h b/wrapper/vzalloc.h
new file mode 100644 (file)
index 0000000..c052778
--- /dev/null
+++ b/wrapper/vzalloc.h
@@ -0,0 +1,47 @@
+#ifndef _LTTNG_WRAPPER_VZALLOC_H
+#define _LTTNG_WRAPPER_VZALLOC_H
+
+/*
+ * wrapper/vzalloc.h
+ *
+ * Copyright (C) 2015 Michael Jeanson <mjeanson@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
+ */
+
+#include <linux/version.h>
+#include <linux/vmalloc.h>
+
+#if LTTNG_KERNEL_RANGE(2,6,36, 2,6,37)
+static inline
+void *lttng_vzalloc(unsigned long size)
+{
+       void *ret;
+       ret = vmalloc(size);
+       if (!ret)
+               return NULL;
+       memset(ret, 0, size);
+       return ret;
+}
+#else
+static inline
+void *lttng_vzalloc(unsigned long size)
+{
+       return vzalloc(size);
+}
+#endif
+
+
+#endif /* _LTTNG_WRAPPER_VZALLOC_H */