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-rw-r--r--sysdeps/unix/sysv/linux/alpha/bits/mman.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/mman.h b/sysdeps/unix/sysv/linux/alpha/bits/mman.h
index 1411c85831..a7ada102d2 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/mman.h
@@ -81,3 +81,19 @@
#ifdef __USE_GNU
# define MREMAP_MAYMOVE 1
#endif
+
+/* Advice to `madvise'. */
+#ifdef __USE_BSD
+# define MADV_NORMAL 0 /* No further special treatment. */
+# define MADV_RANDOM 1 /* Expect random page references. */
+# define MADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define MADV_WILLNEED 3 /* Will need these pages. */
+# define MADV_DONTNEED 6 /* Don't need these pages. */
+#endif
+
+/* Not used by Linux, but here to make sure we don't clash with
+ OSF/1 defines. */
+#if 0 && defined(__USE_BSD)
+# define MADV_DONTNEED_COMPAT 4 /* Old version? */
+# define MADV_SPACEAVAIL 5 /* Ensure resources are available. */
+#endif