1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 2#ifndef FADVISE_H_INCLUDED
 3#define FADVISE_H_INCLUDED
 4
 5#define POSIX_FADV_NORMAL	0 /* No further special treatment.  */
 6#define POSIX_FADV_RANDOM	1 /* Expect random page references.  */
 7#define POSIX_FADV_SEQUENTIAL	2 /* Expect sequential page references.  */
 8#define POSIX_FADV_WILLNEED	3 /* Will need these pages.  */
 9
10/*
11 * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE
12 * for s390-64 differ from the values for the rest of the world.
13 */
14#if defined(__s390x__)
15#define POSIX_FADV_DONTNEED	6 /* Don't need these pages.  */
16#define POSIX_FADV_NOREUSE	7 /* Data will be accessed once.  */
17#else
18#define POSIX_FADV_DONTNEED	4 /* Don't need these pages.  */
19#define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
20#endif
21
22#endif	/* FADVISE_H_INCLUDED */