| Greg Kroah-Hartman | 6f52b16 | 2017-11-01 15:08:43 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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. */ |
| Martin Schwidefsky | 068e1b9 | 2005-07-13 01:10:46 -0700 | [diff] [blame] | 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 |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ |
| 19 | #define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ |
| Martin Schwidefsky | 068e1b9 | 2005-07-13 01:10:46 -0700 | [diff] [blame] | 20 | #endif |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #endif /* FADVISE_H_INCLUDED */ |