yann@2438: ripped from Debian
yann@2438: 
yann@2438:  sysdeps/unix/sysv/linux/posix_fadvise.c |   13 +++++++++++++
yann@2438:  1 file changed, 13 insertions(+)
yann@2438: 
yann@2438: diff -durN glibc-2.13.orig/sysdeps/unix/sysv/linux/posix_fadvise.c glibc-2.13/sysdeps/unix/sysv/linux/posix_fadvise.c
yann@2438: --- glibc-2.13.orig/sysdeps/unix/sysv/linux/posix_fadvise.c	2003-08-17 02:36:22.000000000 +0200
yann@2438: +++ glibc-2.13/sysdeps/unix/sysv/linux/posix_fadvise.c	2009-11-13 00:50:03.000000000 +0100
yann@2438: @@ -35,6 +35,19 @@
yann@2438:      return INTERNAL_SYSCALL_ERRNO (ret, err);
yann@2438:    return 0;
yann@2438:  #else
yann@2438: +# ifdef __NR_fadvise64_64
yann@2438: +  INTERNAL_SYSCALL_DECL (err);  
yann@2438: +  int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd,
yann@2438: +			      __LONG_LONG_PAIR ((long) (offset >> 31),
yann@2438: +						(long) offset),
yann@2438: +			      __LONG_LONG_PAIR ((long) (len >> 31),
yann@2438: +						(long) len),
yann@2438: +			      advise);
yann@2438: +  if (INTERNAL_SYSCALL_ERROR_P (ret, err))
yann@2438: +    return INTERNAL_SYSCALL_ERRNO (ret, err);
yann@2438: +  return 0;
yann@2438: +# else
yann@2438:    return ENOSYS;
yann@2438: +# endif
yann@2438:  #endif
yann@2438:  }