POSIX_FADV_DONTNEED   14 include/linux/fadvise.h #define POSIX_FADV_DONTNEED	6 /* Don't need these pages.  */
POSIX_FADV_DONTNEED   17 include/linux/fadvise.h #define POSIX_FADV_DONTNEED	4 /* Don't need these pages.  */