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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2#ifndef FADVISE_H_INCLUDED3#define FADVISE_H_INCLUDED4 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_NOREUSE12 * 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#else18#define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */19#define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */20#endif21 22#endif /* FADVISE_H_INCLUDED */23