diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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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 */ | ||