--- include/asm-generic/bitsperlong.h

+++ include/asm-generic/bitsperlong.h

@@ -28,5 +28,9 @@

#error Inconsistent word size. Check asm/bitsperlong.h

#endif

+#ifndef BITS_PER_LONG_LONG

+#define BITS_PER_LONG_LONG 64

+#endif

+

#endif /* __KERNEL__ */

#endif /* __ASM_GENERIC_BITS_PER_LONG */