linux/arch/x86/include/asm/bitsperlong.h

#ifndef __ASM_X86_BITSPERLONG_H
#define __ASM_X86_BITSPERLONG_H

#ifdef __x86_64__
# define __BITS_PER_LONG 64
#else
# define __BITS_PER_LONG 32
#endif

#include <asm-generic/bitsperlong.h>

#endif /* __ASM_X86_BITSPERLONG_H */