-#define __NR_mmap2 192
-#define __NR_truncate64 193
-#define __NR_ftruncate64 194
-#define __NR_stat64 195
-#define __NR_lstat64 196
-#define __NR_fstat64 197
+/* #define __NR_mmap2 192 32bit only */
+/* #define __NR_truncate64 193 32bit only */
+/* #define __NR_ftruncate64 194 32bit only */
+/* #define __NR_stat64 195 32bit only */
+/* #define __NR_lstat64 196 32bit only */
+/* #define __NR_fstat64 197 32bit only */