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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:10 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:10 +0000
commitb5875be0451b92bdd99663c8305ae46bd6a7d90c (patch)
tree68a6a5f79ac618c79ba3777c21faaea9aec2f0b4 /libdde-linux26/contrib/include/linux/fadvise.h
parentce6a36c7f7c88e7ca0fda816f9282237bb86829d (diff)
parent7996a3d79d55b7f879dfd62e202bbfe2963718d3 (diff)
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde-linux26/contrib/include/linux/fadvise.h')
-rw-r--r--libdde-linux26/contrib/include/linux/fadvise.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/linux/fadvise.h b/libdde-linux26/contrib/include/linux/fadvise.h
new file mode 100644
index 00000000..e8e74713
--- /dev/null
+++ b/libdde-linux26/contrib/include/linux/fadvise.h
@@ -0,0 +1,21 @@
+#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 */