diff options
| author | Kacper <kacper@mail.openlinux.dev> | 2025-12-07 20:10:31 +0100 |
|---|---|---|
| committer | Kacper <kacper@mail.openlinux.dev> | 2025-12-07 20:10:31 +0100 |
| commit | fc00c656c96528112d05cf0edf8631bd5eaea446 (patch) | |
| tree | a6e0e6c588191a8bd1c64afc3b7a258e3e66c236 /include/arch/x86_64/linux/fadvise.h | |
Add build system scaffolding and libc headers
Diffstat (limited to 'include/arch/x86_64/linux/fadvise.h')
| -rw-r--r-- | include/arch/x86_64/linux/fadvise.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/arch/x86_64/linux/fadvise.h b/include/arch/x86_64/linux/fadvise.h new file mode 100644 index 00000000..778ef65a --- /dev/null +++ b/include/arch/x86_64/linux/fadvise.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef FADVISE_H_INCLUDED +#define FADVISE_H_INCLUDED + +#define POSIX_FADV_NORMAL 0 /* No further special treatment. */ +#define POSIX_FADV_RANDOM 1 /* Expect random page references. */ +#define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ +#define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ + +/* + * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE + * for s390-64 differ from the values for the rest of the world. + */ +#if defined(__s390x__) +#define POSIX_FADV_DONTNEED 6 /* Don't need these pages. */ +#define POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */ +#else +#define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ +#define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ +#endif + +#endif /* FADVISE_H_INCLUDED */ |