Confusion in usr/include/asm-generic/fcntl.h

Jaswinder Singh Rajput
2009-01-21T00:05:31Z

usr/include/asm-generic/fcntl.h is giving 2 'make headers_check' warnings:
usr/include/asm-generic/fcntl.h:127: leaks CONFIG_64BIT to userspace where it is not valid
usr/include/asm-generic/fcntl.h:149: leaks CONFIG_64BIT to userspace where it is not valid

usr/include/asm-generic/fcntl.h:
--
#ifndef CONFIG_64BIT

#ifndef F_GETLK64
#define F_GETLK64 12 /* using 'struct flock64' */
#define F_SETLK64 13
#define F_SETLKW64 14
#endif

#ifndef HAVE_ARCH_STRUCT_FLOCK64
#ifndef __ARCH_FLOCK64_PAD
#define __ARCH_FLOCK64_PAD
#endif

struct flock64 {
short l_type;
short l_whence;
loff_t l_start;
loff_t l_len;
pid_t l_pid;
__ARCH_FLOCK64_PAD
};
#endif
#endif /* !CONFIG_64BIT */
--

#ifndef CONFIG_64BIT will always be true for userspace. So what is the use of #ifndef CONFIG_64BIT ?

Thanks,
--
JSR