--- /dev/null
+#ifndef CEPH_CRUSH_TYPES_H
+#define CEPH_CRUSH_TYPES_H
+
+#ifdef KERNEL
+# define free(x) kfree(x)
+#else
+# include <stdlib.h>
+#endif
+
+
+#include <linux/types.h> /* just for int types */
+
+#ifndef BUG_ON
+# define BUG_ON(x) assert(!(x))
+#endif
+
+#endif