diff options
| author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
|---|---|---|
| committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
| commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
| tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /include/linux/fadvise.h | |
| parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) | |
Diffstat (limited to 'include/linux/fadvise.h')
| -rw-r--r-- | include/linux/fadvise.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/fadvise.h b/include/linux/fadvise.h new file mode 100644 index 00000000000..e8e747139b9 --- /dev/null +++ b/include/linux/fadvise.h | |||
| @@ -0,0 +1,21 @@ | |||
| 1 | #ifndef FADVISE_H_INCLUDED | ||
| 2 | #define FADVISE_H_INCLUDED | ||
| 3 | |||
| 4 | #define POSIX_FADV_NORMAL 0 /* No further special treatment. */ | ||
| 5 | #define POSIX_FADV_RANDOM 1 /* Expect random page references. */ | ||
| 6 | #define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ | ||
| 7 | #define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ | ||
| 8 | |||
| 9 | /* | ||
| 10 | * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE | ||
| 11 | * for s390-64 differ from the values for the rest of the world. | ||
| 12 | */ | ||
| 13 | #if defined(__s390x__) | ||
| 14 | #define POSIX_FADV_DONTNEED 6 /* Don't need these pages. */ | ||
| 15 | #define POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */ | ||
| 16 | #else | ||
| 17 | #define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ | ||
| 18 | #define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ | ||
| 19 | #endif | ||
| 20 | |||
| 21 | #endif /* FADVISE_H_INCLUDED */ | ||
